Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
627
FNUS56 KSTO 182103
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
203 PM PDT Fri Sep 18 2026
.DISCUSSION...
Warming and drying trend begins today as weather system moves out
of the region. Periods of breezy north winds today, with gusts 15
to 25 mph in the Sacramento Valley. Onshore flow returns to the
area by weekend`s end. A non-zero chance (5-10%) of an isolated
thunderstorm is in the forecast Monday evening, with the best
chances south of HWY-50 at this time. Overall confidence on any
precipitation is low at this time.
CAZ121-192300-
W. Shasta County Above 3000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........49-57.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........48-63 percent.
* 24 HR Trend..........23 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........77-84.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........18-23 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 4 to 10 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........53-61.
* Max Humidity...........41-56 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northwest winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny.
* Max Temperature........76-84.
* Min Humidity...........18-26 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 4 to 9 mph shifting to the
southeast up to 7 mph in the afternoon.
* Mixing Height..........7500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ122-192300-
W. Shasta County 1000-3000 ft-
Including the city of Whiskeytown
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-64 lower elevations...except 52-59
higher elevations.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........49-64 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 10 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96 lower elevations...except 84-89
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....North winds 4 to 10 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6100 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........60-66 lower elevations...except 54-62
higher elevations.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 8 mph.
* Ridges/Upr Slopes....Northwest winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny.
* Max Temperature........89-94 lower elevations...except 82-88
higher elevations.
* Min Humidity...........19-25 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northwest winds up to 7 mph shifting to the
east in the afternoon.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ123-192300-
Shasta Lake Area & 1-5 1000-3000 ft-
Including the city of Shasta Lake, Sims
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62 lower elevations...except 50-58
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........48-63 percent.
* 24 HR Trend..........27 percent down.
* 20-Foot Winds..........North winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94 lower elevations...except 84-90
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........Northeast winds 4 to 9 mph. Local gusts up
to 20 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........6400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63 lower elevations...except 53-61
higher elevations.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........North winds 4 to 10 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy early in the morning then
clearing.
* Max Temperature........88-93 lower elevations...except 83-89
higher elevations.
* Min Humidity...........16-23 percent.
* 20-Foot Winds..........North winds 4 to 9 mph shifting to the
southeast up to 6 mph in the afternoon.
* Mixing Height..........6900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ124-192300-
Shasta Metro-
Including the city of Redding, Anderson
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........53-63 percent.
* 24 HR Trend..........22 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........6500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........58-63.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny.
* Max Temperature........90-95.
* Min Humidity...........18-24 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south up to 5 mph in the afternoon.
* Mixing Height..........3900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ125-192300-
Shasta County Foothills 1000-3000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........6 degrees warmer.
* Max Humidity...........52-58 percent.
* 24 HR Trend..........24 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph.
* Ridges/Upr Slopes....Northeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........87-92.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...North winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6000 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........58-63.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny.
* Max Temperature........85-90.
* Min Humidity...........19-24 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....East winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........4000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ126-192300-
E. Shasta /S. Cascades Above 3000 ft-
Including the city of Shingletown
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........43-53.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........57-72 percent.
* 24 HR Trend..........27 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........74-84.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........11 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 5 to 11 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5900 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........45-55.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming east up
to 7 mph after midnight.
* Ridges/Upr Slopes....Northeast winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
sunny.
* Max Temperature........74-84.
* Min Humidity...........17-26 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........7600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ127-192300-
Burney Basin-
Including the city of Burney
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........40-46.
* 24 HR Trend..........Little change.
* Max Humidity...........66-81 percent.
* 24 HR Trend..........21 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph.
* Ridges/Upr Slopes....East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........79-84 lower elevations...except 73-81
higher elevations.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....East winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........43-49.
* Max Humidity...........45-60 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming east up
to 7 mph after midnight.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
southeast up to 7 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy then becoming
mostly sunny late in the afternoon.
* Max Temperature........80-88 lower elevations...except 73-83
higher elevations.
* Min Humidity...........16-26 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Southeast winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........8500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ128-192300-
Lassen Volcanic NP-
Including the city of Lassen National Park
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........41-46.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........60-67 percent.
* 24 HR Trend..........32 percent down.
* 20-Foot Winds..........Northeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........66-73.
* 24 HR Trend..........8 degrees warmer.
* Min Humidity...........19-24 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........6500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........45-50.
* Max Humidity...........34-49 percent.
* 20-Foot Winds..........East winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........66-72.
* Min Humidity...........18-27 percent.
* 20-Foot Winds..........Southeast winds 4 to 10 mph.
* Mixing Height..........8300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ129-192300-
Sierra (Tehama-Plumas) 1000-3000 ft-
Including the city of Paradise
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-64.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........40-52 percent.
* 24 HR Trend..........21 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 7 to 13 mph.
* Ridges/Upr Slopes....Northeast winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........85-90.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........10 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 9 to 15 mph shifting to the
west up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 7 to 13 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........60-66.
* Max Humidity...........37-52 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 10 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming partly cloudy.
* Max Temperature........82-87.
* Min Humidity...........19-31 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 8 to 14 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....East winds 6 to 12 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........3600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ130-192300-
Sierra (Tehama-Plumas) Above 3000 ft-
Including the city of Mineral, Quincy
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........44-54.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........55-70 percent.
* 24 HR Trend..........21 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 6 to 12 mph.
* Ridges/Upr Slopes....Northeast winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........78-84 lower elevations...except 72-79
higher elevations.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 8 to 14 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 8 to 14 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........6200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........47-57.
* Max Humidity...........43-58 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Cloudy early in the morning then becoming
partly cloudy.
* Max Temperature........76-82 lower elevations...except 71-77
higher elevations.
* Min Humidity...........16-30 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 7 to 13 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 6 to 12 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........7500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ131-192300-
N. Motherlode 1000-3000 ft-
Including the city of Auburn, Grass Valley, Colfax, Nevada City
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........56-61.
* 24 HR Trend..........6 degrees warmer.
* Max Humidity...........57-66 percent.
* 24 HR Trend..........16 percent down.
* 20-Foot Winds..........Northeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........83-88.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........21-26 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........East winds up to 7 mph shifting to the
west up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy after
midnight then becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........41-56 percent.
* 20-Foot Winds..........East winds up to 7 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........81-86.
* Min Humidity...........24-34 percent.
* 20-Foot Winds..........East winds up to 7 mph shifting to the
southwest up to 6 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ132-192300-
Sierra (Yuba-Placer) 3000-5000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy after midnight.
* Min Temperature........51-59.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........47-62 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........Northeast winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........78-86.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........20-25 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........East winds 4 to 10 mph with local gusts up
to 20 mph shifting to the west up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5300 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........54-62.
* Max Humidity...........46-61 percent.
* 20-Foot Winds..........Northeast winds 4 to 9 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........77-83.
* Min Humidity...........22-29 percent.
* 20-Foot Winds..........East winds 4 to 10 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........4600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ133-192300-
Sierra (Sierra-Placer) Above 5000 ft-
Including the city of Blue Canyon, Kingvale, Donner Peak
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy.
* Min Temperature........43-53.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........50-65 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........Northeast winds 7 to 13 mph with local
gusts up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........70-79.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........21-26 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Northeast winds 4 to 10 mph. Local gusts
up to 25 mph in the morning.
* CWR....................0 percent.
* Mixing Height..........5900 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........46-56.
* Max Humidity...........43-58 percent.
* 20-Foot Winds..........Northeast winds up to 7 mph shifting to
the east 9 to 15 mph after midnight. Local gusts up to 25 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........69-77.
* Min Humidity...........21-30 percent.
* 20-Foot Winds..........East winds 7 to 13 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........7200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ134-192300-
Central Motherlode 1000-3000 ft-
Including the city of Cameron Park, Shingle Springs, Placerville,
Cool, Jackson
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........54-62 percent.
* 24 HR Trend..........20 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........82-87.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........22-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Southeast winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........3700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy after
midnight then becoming mostly cloudy.
* Min Temperature........59-64.
* Max Humidity...........43-58 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........81-86.
* Min Humidity...........26-34 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* Mixing Height..........3400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ135-192300-
Sierra 3000-5000 ft-
Including the city of Pollock Pines
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy after midnight.
* Min Temperature........52-58 lower elevations...except 57-62
higher elevations.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........51-60 percent.
* 24 HR Trend..........24 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........78-83.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........22-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 9 mph shifting to the west
up to 7 mph in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy after
midnight then becoming mostly cloudy.
* Min Temperature........54-62.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph.
* Ridges/Upr Slopes....Northeast winds up to 7 mph in the evening
becoming variable up to 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........78-83.
* Min Humidity...........22-31 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph shifting to the
southwest up to 7 mph in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........4500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ136-192300-
Sierra (El Dorado-Amador) Above 5000 ft-
Including the city of Carson Pass
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy in the evening.
* Min Temperature........41-50.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........48-59 percent.
* 24 HR Trend..........29 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northeast winds 9 to 15 mph with local gusts
up to 35 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........69-79.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........21-26 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 8 to 14 mph with local gusts up
to 30 mph shifting to the west up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........47-53.
* Max Humidity...........38-53 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 6 to 12 mph with local gusts up
to 30 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........66-76.
* Min Humidity...........22-32 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........6800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ137-192300-
Southern Motherlode 1000-3000 ft-
Including the city of Sonora, Angels Camp
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........51-61 percent.
* 24 HR Trend..........21 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Northwest winds up to 7 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........82-87.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........24-29 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Southeast winds up to 7 mph shifting to the
west in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........60-65.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 7 mph.
* Ridges/Upr Slopes....Northeast winds up to 7 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy then becoming
mostly cloudy late in the afternoon.
* Max Temperature........82-87.
* Min Humidity...........23-36 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
southwest in the afternoon.
* Mixing Height..........4200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ138-192300-
Sierra (Cal-Tuo) 3000-5000 ft-
Including the city of Twain Harte, Arnold
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy after midnight.
* Min Temperature........52-58.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........45-60 percent.
* 24 HR Trend..........23 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 10 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........77-82.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........23-28 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph shifting to the west
up to 8 mph in the afternoon.
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph shifting to the
west up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy after
midnight then becoming mostly cloudy. Areas of smoke early in the
morning.
* Min Temperature........55-63.
* Max Humidity...........43-58 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........76-82.
* Min Humidity...........20-35 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the
southwest up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 5 to 11 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........4900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ139-192300-
Sierra (Cal-Tuo) Above 5000 ft-
Including the city of Twain Harte, Arnold
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy.
* Min Temperature........40-50.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........46-60 percent.
* 24 HR Trend..........28 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northeast winds 10 to 16 mph with local
gusts up to 30 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........67-77.
* 24 HR Trend..........7 degrees warmer.
* Min Humidity...........19-25 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 8 to 14 mph with local gusts up
to 25 mph shifting to the west up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy after
midnight then becoming mostly cloudy. Patchy smoke early in the
morning.
* Min Temperature........44-54.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northeast winds 6 to 12 mph with local gusts
up to 25 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming partly cloudy.
* Max Temperature........65-75.
* Min Humidity...........18-30 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 6 to 12 mph shifting to the
southwest up to 8 mph in the afternoon.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ140-192300-
Tehama Co Coast Range Above 3000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........53-59.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........46-56 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........Northwest winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........72-81.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........23-28 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........North winds 4 to 9 mph shifting to the
east up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........56-62.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Cloudy then becoming partly cloudy late in
the morning then becoming mostly sunny then becoming partly
cloudy late in the afternoon.
* Max Temperature........71-79.
* Min Humidity...........23-30 percent.
* 20-Foot Winds..........West winds up to 7 mph shifting to the
east up to 8 mph in the afternoon.
* Mixing Height..........6100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ141-192300-
W Tehama Co Foothills 1000-3000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........63-68 lower elevations...except 57-65
higher elevations.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........41-47 percent.
* 24 HR Trend..........18 percent down.
* 20-Foot Winds..........West winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94 lower elevations...except 80-85
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........Northwest winds 4 to 10 mph shifting to
the northeast up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........64-69.
* Max Humidity...........32-45 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........87-92 lower elevations...except 79-84
higher elevations.
* Min Humidity...........23-29 percent.
* 20-Foot Winds..........West winds up to 6 mph shifting to the
east up to 8 mph in the afternoon.
* Mixing Height..........4300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ142-192300-
N. Sac Valley in Tehama County-
Including the city of Red Bluff
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........59-64.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........50-62 percent.
* 24 HR Trend..........18 percent down.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........6200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........60-65.
* Max Humidity...........41-56 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
partly cloudy late in the afternoon.
* Max Temperature........88-93.
* Min Humidity...........21-29 percent.
* 20-Foot Winds..........North winds up to 6 mph shifting to the
south up to 5 mph in the afternoon.
* Mixing Height..........3500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ143-192300-
Glenn/Colusa Coast Range Above 3000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........54-62.
* 24 HR Trend..........8 degrees warmer.
* Max Humidity...........46-61 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........73-82.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........22-27 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
east up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........57-63.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........70-78.
* Min Humidity...........22-37 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
east up to 8 mph in the afternoon.
* Mixing Height..........5500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ144-192300-
Central Glenn Co & Interstate 5-
Including the city of Willows, Orland
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-63.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........56-71 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........5 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........6000 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........59-64.
* Max Humidity...........51-66 percent.
* 20-Foot Winds..........Southwest winds up to 7 mph shifting to
the northwest up to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly sunny then becoming
mostly cloudy late in the afternoon.
* Max Temperature........87-92.
* Min Humidity...........25-35 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph shifting to
the southeast up to 7 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ145-192300-
Eastern Glenn County-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........70-81 percent.
* 24 HR Trend..........20 percent down.
* 20-Foot Winds..........Northwest winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........66-81 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming partly cloudy.
* Max Temperature........86-91.
* Min Humidity...........28-34 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
south up to 5 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ146-192300-
Butte County Below 1000 ft-
Including the city of Chico, Oroville, Gridley
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear. Hazy in the evening.
* Min Temperature........56-62.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........59-74 percent.
* 24 HR Trend..........16 percent down.
* 20-Foot Winds..........East winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........90-95.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........58-64.
* Max Humidity...........52-67 percent.
* 20-Foot Winds..........East winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy.
* Max Temperature........86-91.
* Min Humidity...........24-34 percent.
* 20-Foot Winds..........East winds up to 6 mph shifting to the
southwest up to 5 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ147-192300-
W. Glenn/Colusa Foothills 1000-3000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-65.
* 24 HR Trend..........7 degrees warmer.
* Max Humidity...........45-57 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northwest winds 4 to 9 mph.
* Ridges/Upr Slopes....Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........88-93 lower elevations...except 81-86
higher elevations.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........18-23 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....North winds up to 8 mph shifting to the east
up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........60-66.
* Max Humidity...........38-53 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southwest winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........85-90 lower elevations...except 78-83
higher elevations.
* Min Humidity...........24-35 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming east up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northwest winds up to 7 mph shifting to the
east up to 8 mph in the afternoon.
* Mixing Height..........4000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ148-192300-
Central Colusa County Incl. I-5-
Including the city of Williams
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-63.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........59-74 percent.
* 24 HR Trend..........16 percent down.
* 20-Foot Winds..........West winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........6000 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy late in
the evening then becoming mostly cloudy.
* Min Temperature........59-64.
* Max Humidity...........57-72 percent.
* 20-Foot Winds..........Southwest winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........86-91.
* Min Humidity...........29-38 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
east up to 8 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ149-192300-
Eastern Colusa County-
Including the city of Colusa
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........Little change.
* Max Humidity...........81-88 percent.
* 24 HR Trend..........12 percent down.
* 20-Foot Winds..........Variable winds less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........Northwest winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........80-89 percent.
* 20-Foot Winds..........Southeast winds up to 5 mph in the evening
becoming variable less than 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........85-90.
* Min Humidity...........31-36 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........2900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ150-192300-
Sutter/Yuba counties below 1000 ft-
Including the city of Yuba City, Beale AFB
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........Little change.
* Max Humidity...........70-85 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........South winds up to 6 mph in the evening
becoming variable less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........90-95.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........Southwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........61-76 percent.
* 20-Foot Winds..........Southeast winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy then becoming
mostly cloudy late in the afternoon.
* Max Temperature........85-90.
* Min Humidity...........30-38 percent.
* 20-Foot Winds..........South winds up to 6 mph.
* Mixing Height..........2600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ151-192300-
Yolo / Solano County Hills-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........56-65.
* 24 HR Trend..........5 degrees warmer.
* Max Humidity...........65-80 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northwest winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........83-91.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........21-36 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........6300 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear early in the evening then becoming
mostly cloudy.
* Min Temperature........59-65.
* Max Humidity...........63-78 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....West winds 4 to 7 mph in the evening
becoming variable up to 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........76-86.
* Min Humidity...........42-57 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming east 5
to 8 mph in the afternoon.
* Mixing Height..........3500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ152-192300-
W. Yolo County including Capay/I-505-
Including the city of Esparto, Winters
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........60-75 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-96.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........19-25 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........6300 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming mostly cloudy late in
the evening then becoming partly cloudy then becoming mostly
cloudy early in the morning.
* Min Temperature........59-64.
* Max Humidity...........59-74 percent.
* 20-Foot Winds..........Southwest winds up to 6 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........86-91.
* Min Humidity...........32-47 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph shifting to
the southeast up to 7 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ153-192300-
C. Yolo/NE Solano including Woodland-
Including the city of Woodland, Dixon
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........54-59.
* 24 HR Trend..........Little change.
* Max Humidity...........84-93 percent.
* 24 HR Trend..........6 percent down.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........90-95.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........20-26 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........4900 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy in the
late evening and early morning then becoming mostly cloudy.
* Min Temperature........56-61.
* Max Humidity...........79-92 percent.
* 20-Foot Winds..........South winds up to 8 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........83-88.
* Min Humidity...........33-48 percent.
* 20-Foot Winds..........South winds up to 8 mph.
* Mixing Height..........2700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ154-192300-
Sac Metro/W. El Dorado/Amador County-
Including the city of Lincoln, Roseville, Sacramento, Elk Grove,
Folsom
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........54-59.
* 24 HR Trend..........Little change.
* Max Humidity...........76-91 percent.
* 24 HR Trend..........7 percent down.
* 20-Foot Winds..........South winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........88-93.
* 24 HR Trend..........Little change.
* Min Humidity...........20-25 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........64-79 percent.
* 20-Foot Winds..........South winds up to 8 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy until late afternoon then
becoming mostly cloudy.
* Max Temperature........84-89.
* Min Humidity...........30-45 percent.
* 20-Foot Winds..........South winds up to 7 mph.
* Mixing Height..........2500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ155-192300-
C. Solano County including Fairfield-
Including the city of Fairfield, Vacaville
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........87-93 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 6 to 12 mph with local
gusts up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........88-93.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........28-35 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 4 to 9 mph with local gusts up
to 20 mph.
* CWR....................0 percent.
* Mixing Height..........2700 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy late in
the evening then becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........72-87 percent.
* 20-Foot Winds..........Southwest winds 5 to 11 mph with local
gusts up to 20 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........80-85.
* Min Humidity...........49-64 percent.
* 20-Foot Winds..........Southwest winds 5 to 11 mph with local
gusts up to 20 mph.
* Mixing Height..........1800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ156-192300-
SW Solano County including Vallejo-
Including the city of Vallejo, Benicia
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........91-97 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........81-88.
* 24 HR Trend..........Little change.
* Min Humidity...........33-48 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 6 to 12 mph.
* CWR....................0 percent.
* Mixing Height..........1800 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy late in
the evening then becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........84-99 percent.
* 20-Foot Winds..........Southwest winds 8 to 14 mph.
* Mixing Height..........600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy.
* Max Temperature........73-81.
* Min Humidity...........60-75 percent.
* 20-Foot Winds..........Southwest winds 7 to 13 mph.
* Mixing Height..........1600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ157-192300-
Sacramento County Delta-
Including the city of Walnut Grove
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........Little change.
* Max Humidity...........90-95 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........87-92.
* 24 HR Trend..........Little change.
* Min Humidity...........29-37 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........3400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Clear then becoming partly cloudy in the
late evening and early morning then becoming mostly cloudy.
* Min Temperature........56-61.
* Max Humidity...........83-92 percent.
* 20-Foot Winds..........Southwest winds 6 to 12 mph. Local gusts
up to 20 mph in the evening.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
in the late morning and early afternoon then becoming mostly
cloudy.
* Max Temperature........79-84.
* Min Humidity...........43-56 percent.
* 20-Foot Winds..........West winds 6 to 12 mph.
* Mixing Height..........2000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ158-192300-
San Joaquin County Delta-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........Little change.
* Max Humidity...........88-93 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 5 to 11 mph. Local gusts up to
20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........27-32 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........3600 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........79-90 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........82-87.
* Min Humidity...........40-55 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........2300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ159-192300-
C. San Joaquin County including Stockton-
Including the city of Stockton, Lodi
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........Little change.
* Max Humidity...........83-91 percent.
* 24 HR Trend..........9 percent down.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........22-27 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........57-62.
* Max Humidity...........71-86 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the morning then becoming mostly cloudy.
* Max Temperature........84-89.
* Min Humidity...........36-43 percent.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* Mixing Height..........2600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ160-192300-
Tracy Triangle Below 1000 ft-
Including the city of Tracy
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........56-61.
* 24 HR Trend..........Little change.
* Max Humidity...........71-86 percent.
* 24 HR Trend..........8 percent down.
* 20-Foot Winds..........West winds 7 to 13 mph with local gusts up
to 25 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-94.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........26-31 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 8 mph. Local gusts up to
20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........58-64.
* Max Humidity...........55-70 percent.
* 20-Foot Winds..........West winds 4 to 9 mph with local gusts up
to 20 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy.
* Max Temperature........83-88.
* Min Humidity...........34-46 percent.
* 20-Foot Winds..........Northwest winds up to 8 mph. Local gusts
up to 20 mph in the afternoon.
* Mixing Height..........2500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ161-192300-
NE San Joaquin Valley Below 1000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........59-74 percent.
* 24 HR Trend..........17 percent down.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........87-92.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........23-28 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........61-66.
* Max Humidity...........49-64 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy then becoming mostly sunny
late in the morning then becoming partly cloudy then becoming
mostly cloudy late in the afternoon.
* Max Temperature........85-90.
* Min Humidity...........27-37 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* Mixing Height..........3000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ162-192300-
E. Diablo Range Above 1000 ft-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........54-63.
* 24 HR Trend..........4 degrees warmer.
* Max Humidity...........54-69 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........82-88.
* 24 HR Trend..........6 degrees warmer.
* Min Humidity...........25-30 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........59-67.
* Max Humidity...........53-68 percent.
* 20-Foot Winds..........
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy until late afternoon then
becoming partly cloudy.
* Max Temperature........78-84.
* Min Humidity...........26-41 percent.
* 20-Foot Winds..........
* Mixing Height..........3400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ163-192300-
W. Stanislaus County Above 1000 ft & I-5-
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........69-84 percent.
* 24 HR Trend..........13 percent down.
* 20-Foot Winds..........West winds 4 to 10 mph. Local gusts up to
20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........88-93.
* 24 HR Trend..........5 degrees warmer.
* Min Humidity...........26-31 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 8 mph shifting to
the north 4 to 10 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........60-65.
* Max Humidity...........52-67 percent.
* 20-Foot Winds..........West winds up to 7 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy until late afternoon then
becoming partly cloudy.
* Max Temperature........84-89.
* Min Humidity...........31-39 percent.
* 20-Foot Winds..........Northwest winds 4 to 9 mph.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ164-192300-
C. Stanislaus County including Modesto-
Including the city of Modesto, Turlock
203 PM PDT Fri Sep 18 2026
.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
* 24 HR Trend..........Little change.
* Max Humidity...........79-89 percent.
* 24 HR Trend..........14 percent down.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Sunny.
* Max Temperature........87-92.
* 24 HR Trend..........4 degrees warmer.
* Min Humidity...........24-31 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......0 percent.
.SATURDAY NIGHT...
* Sky/Weather............Mostly clear until early morning then
becoming mostly cloudy.
* Min Temperature........58-63.
* Max Humidity...........67-82 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SUNDAY...
* Sky/Weather............Mostly cloudy early in the morning then
becoming partly cloudy.
* Max Temperature........84-89.
* Min Humidity...........32-40 percent.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.SUNDAY NIGHT...Partly cloudy. Lows 50 to 60. Northwest winds up
to 10 mph.
.MONDAY...Mostly sunny. Highs 79 to 89. Northeast winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows 51 to 61. Northwest winds up
to 10 mph.
.TUESDAY...Sunny. Highs 79 to 89. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 50 to 60. Variable less than 5 mph.
.WEDNESDAY...Sunny. Highs 79 to 89. Variable less than 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62. Variable less
than 5 mph.
...Northern Sierra and Lassen Park
.SUNDAY NIGHT...Mostly cloudy. Lows 50 to 60. Northeast winds up
to 10 mph.
.MONDAY...Mostly sunny. Highs 78 to 86. Northwest winds 5 to
15 mph.
.MONDAY NIGHT...Mostly clear. Lows 50 to 60. Northeast winds up
to 10 mph.
.TUESDAY...Sunny. Highs 79 to 87. West winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 50 to 60. Northeast winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 81 to 89. Southwest winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62. East winds up to
10 mph.
...Sierra Nevada Foothills
.SUNDAY NIGHT...Mostly cloudy. Lows 58 to 64. Northeast winds up
to 10 mph.
.MONDAY...Mostly sunny. Highs 82 to 89. West winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 58 to 63. East winds up to
10 mph.
.TUESDAY...Sunny. Highs 83 to 89. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 59 to 64. Variable less than 5 mph.
.WEDNESDAY...Sunny. Highs 88 to 93. Variable less than 5 mph.
.WEDNESDAY NIGHT...Clear. Lows 61 to 67. Variable less than
5 mph.
...Central Valley and Delta
.SUNDAY NIGHT...Mostly cloudy. Lows 56 to 61. Southwest winds
5 to 15 mph.
.MONDAY...Mostly sunny. Highs 87 to 92. West winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 56 to 61. Southwest winds 5 to
15 mph.
.TUESDAY...Sunny. Highs 88 to 93. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 57 to 62. Variable less than 5 mph.
.WEDNESDAY...Sunny. Highs 92 to 97. Variable less than 5 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 65. Variable less than
5 mph.
$$