Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
265
FNUS56 KSTO 012103
FWFSTO
Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
202 PM PDT Thu Oct 1 2026
.DISCUSSION...
Unseasonably hot temperatures are expected today and into early
next week. Winds will be light and mainly terrain driven, with
weak north winds developing Saturday morning. Humidities trend
lower as riding sets up aloft, resulting in poor overnight
recoveries and elevated overnight temperatures in the foothills.
Well above normal temperatures and dry conditions are expected to
persist through the weekend and into early next week.
CAZ121-022300-
W. Shasta County Above 3000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........54-63.
* 24 HR Trend..........Little change.
* Max Humidity...........38-53 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming north up
to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........77-85.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Northeast winds up to 8 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Partly cloudy until early morning then
becoming mostly cloudy.
* Min Temperature........55-65.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northwest up to 7 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........79-87.
* Min Humidity...........13-19 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....North winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........5300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ122-022300-
W. Shasta County 1000-3000 ft-
Including the city of Whiskeytown
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-69 lower elevations...except 57-64
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........38-52 percent.
* 24 HR Trend..........Little change.
* 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..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........91-96 lower elevations...except 84-90
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........4400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Partly cloudy until early morning then
becoming mostly cloudy.
* Min Temperature........64-70 lower elevations...except 58-66
higher elevations.
* Max Humidity...........30-45 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northwest up to 7 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........93-98 lower elevations...except 86-92
higher elevations.
* Min Humidity...........12-17 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph.
* Ridges/Upr Slopes....Northwest winds up to 7 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........4700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ123-022300-
Shasta Lake Area & 1-5 1000-3000 ft-
Including the city of Shasta Lake, Sims
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........56-63.
* 24 HR Trend..........Little change.
* Max Humidity...........40-55 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........89-94 lower elevations...except 84-90
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northeast winds 4 to 9 mph shifting to the
south up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4700 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy early in the evening then
becoming partly cloudy.
* Min Temperature........60-66 lower elevations...except 55-63
higher elevations.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........Northeast winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........92-97 lower elevations...except 86-92
higher elevations.
* Min Humidity...........11-17 percent.
* 20-Foot Winds..........North winds 4 to 9 mph shifting to the
southeast up to 6 mph in the afternoon.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ124-022300-
Shasta Metro-
Including the city of Redding, Anderson
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-65.
* 24 HR Trend..........Little change.
* Max Humidity...........45-55 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northeast winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98.
* 24 HR Trend..........Little change.
* Min Humidity...........10-15 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
south up to 5 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4900 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........59-65.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........Northeast winds up to 6 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* Min Humidity...........9-14 percent.
* 20-Foot Winds..........North winds up to 7 mph in the morning
becoming variable less than 5 mph.
* Mixing Height..........4700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ125-022300-
Shasta County Foothills 1000-3000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........60-65.
* 24 HR Trend..........Little change.
* Max Humidity...........42-47 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph.
* Ridges/Upr Slopes....East winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........88-93.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 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..........4600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........60-65.
* Max Humidity...........31-45 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up
to 7 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........91-96.
* Min Humidity...........11-16 percent.
* 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 up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........4900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ126-022300-
E. Shasta /S. Cascades Above 3000 ft-
Including the city of Shingletown
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........47-57.
* 24 HR Trend..........Little change.
* Max Humidity...........43-57 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up
to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........76-85.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 7 mph shifting to the
southwest up to 8 mph in the afternoon.
* Ridges/Upr Slopes....East winds up to 8 mph shifting to the
southwest up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4200 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........48-58.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northeast up to 8 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........78-86.
* Min Humidity...........10-20 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph shifting to the west
up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........5800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ127-022300-
Burney Basin-
Including the city of Burney
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........45-51.
* 24 HR Trend..........Little change.
* Max Humidity...........47-62 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 7 mph.
* Ridges/Upr Slopes....Southeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........81-86 lower elevations...except 75-83
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 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....South winds up to 7 mph shifting to the west
in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5100 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........46-52.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* 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.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........83-89 lower elevations...except 77-85
higher elevations.
* Min Humidity...........13-19 percent.
* 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.
* Mixing Height..........6100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ128-022300-
Lassen Volcanic NP-
Including the city of Lassen National Park
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........46-51.
* 24 HR Trend..........Little change.
* Max Humidity...........36-42 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy in the morning then becoming
partly cloudy.
* Max Temperature........68-75.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4900 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
becoming partly cloudy.
* Min Temperature........48-53.
* Max Humidity...........30-39 percent.
* 20-Foot Winds..........South winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........70-76.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........South winds up to 8 mph.
* Mixing Height..........7400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ129-022300-
Sierra (Tehama-Plumas) 1000-3000 ft-
Including the city of Paradise
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-69.
* 24 HR Trend..........Little change.
* Max Humidity...........33-41 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph.
* Ridges/Upr Slopes....East winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........86-91.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 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 5 to 11 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........4400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
becoming partly cloudy.
* Min Temperature........64-70.
* Max Humidity...........33-48 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph.
* Ridges/Upr Slopes....East winds 4 to 10 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........90-95.
* Min Humidity...........13-18 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 11 to 17 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 7 to 13 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........5000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ130-022300-
Sierra (Tehama-Plumas) Above 3000 ft-
Including the city of Mineral, Quincy
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........49-59.
* 24 HR Trend..........Little change.
* Max Humidity...........38-53 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 7 mph shifting to the
east up to 8 mph after midnight.
* Ridges/Upr Slopes....Southeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........79-86 lower elevations...except 73-81
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph shifting to the
southwest up to 7 mph in the afternoon.
* Ridges/Upr Slopes....South winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
becoming partly cloudy.
* Min Temperature........50-60.
* Max Humidity...........40-55 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...South winds up to 7 mph shifting to the
northeast 4 to 9 mph after midnight.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northeast 4 to 9 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........81-87 lower elevations...except 75-83
higher elevations.
* Min Humidity...........13-20 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 6 to 12 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Northeast winds 8 to 14 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........7500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ131-022300-
N. Motherlode 1000-3000 ft-
Including the city of Auburn, Grass Valley, Colfax, Nevada City
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........60-65.
* 24 HR Trend..........Little change.
* Max Humidity...........43-50 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........East winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy. Hazy and patchy smoke in the morning.
* Max Temperature........89-94.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........East winds up to 7 mph shifting to the
southwest up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4100 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
becoming mostly clear.
* Min Temperature........62-67.
* Max Humidity...........29-44 percent.
* 20-Foot Winds..........Northeast winds up to 7 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........91-96.
* Min Humidity...........13-18 percent.
* 20-Foot Winds..........Northeast winds up to 8 mph shifting to
the west up to 6 mph in the afternoon.
* Mixing Height..........5900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ132-022300-
Sierra (Yuba-Placer) 3000-5000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke after
midnight.
* Min Temperature........55-65.
* 24 HR Trend..........Little change.
* Max Humidity...........34-49 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........East winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy. Hazy in the morning.
* Max Temperature........80-89.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 8 mph shifting to
the southwest up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........58-68.
* Max Humidity...........35-50 percent.
* 20-Foot Winds..........East winds up to 8 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........83-91.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........East winds 4 to 10 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........7700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ133-022300-
Sierra (Sierra-Placer) Above 5000 ft-
Including the city of Blue Canyon, Kingvale, Donner Peak
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy through the night.
Patchy smoke after midnight.
* Min Temperature........49-59.
* 24 HR Trend..........Little change.
* Max Humidity...........35-46 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy. Hazy in the morning.
* Max Temperature........72-80.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........South winds 4 to 9 mph. Local gusts up to
20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........50-60.
* Max Humidity...........30-45 percent.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........74-82.
* Min Humidity...........15-22 percent.
* 20-Foot Winds..........East winds 4 to 9 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........8100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ134-022300-
Central Motherlode 1000-3000 ft-
Including the city of Cameron Park, Shingle Springs, Placerville,
Cool, Jackson
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke after
midnight.
* Min Temperature........63-68.
* 24 HR Trend..........Little change.
* Max Humidity...........39-45 percent.
* 24 HR Trend..........Little change.
* 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 becoming east up
to 7 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
mostly cloudy. Hazy and patchy smoke in the morning.
* Max Temperature........89-94.
* 24 HR Trend..........Little change.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 7 mph in the morning
becoming upslope 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.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then
clearing.
* Min Temperature........65-70.
* Max Humidity...........27-42 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.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........92-97.
* Min Humidity...........12-17 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....East winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ135-022300-
Sierra 3000-5000 ft-
Including the city of Pollock Pines
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke after
midnight.
* Min Temperature........58-66 lower elevations...except 66-71
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........36-46 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 7 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....East winds up to 7 mph in the evening
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
mostly cloudy.
* Max Temperature........85-90.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Southeast winds up to 7 mph shifting to the
southwest in the afternoon.
* Ridges/Upr Slopes....Southeast winds up to 7 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........4600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........59-67 lower elevations...except 65-71
higher elevations.
* Max Humidity...........27-42 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph in the evening
becoming drainage up to 5 mph.
* Ridges/Upr Slopes....Northeast winds up 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.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........86-92.
* Min Humidity...........14-20 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....East winds up to 8 mph in the morning
becoming variable up to 5 mph.
* Mixing Height..........7200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ136-022300-
Sierra (El Dorado-Amador) Above 5000 ft-
Including the city of Carson Pass
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke.
* Min Temperature........49-56.
* 24 HR Trend..........Little change.
* Max Humidity...........35-43 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........72-82.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southwest winds 4 to 10 mph with local gusts
up to 20 mph.
* CWR....................0 percent.
* Mixing Height..........5000 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........52-58.
* Max Humidity...........27-42 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........72-82.
* Min Humidity...........15-23 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the west
up to 7 mph in the afternoon.
* Mixing Height..........8300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ137-022300-
Southern Motherlode 1000-3000 ft-
Including the city of Sonora, Angels Camp
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke after
midnight.
* Min Temperature........63-68.
* 24 HR Trend..........Little change.
* Max Humidity...........35-44 percent.
* 24 HR Trend..........Little change.
* 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.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
mostly cloudy. Hazy in the morning.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds up to 8 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........64-70.
* Max Humidity...........27-42 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 mph.
* Ridges/Upr Slopes....Northeast winds up to 8 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........92-97.
* Min Humidity...........12-17 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds up to 8 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.
* Mixing Height..........5200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ138-022300-
Sierra (Cal-Tuo) 3000-5000 ft-
Including the city of Twain Harte, Arnold
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke
through the night.
* Min Temperature........60-67.
* 24 HR Trend..........Little change.
* Max Humidity...........31-43 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph.
* Ridges/Upr Slopes....East winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy. Hazy and patchy smoke in the morning.
* Max Temperature........84-91.
* 24 HR Trend..........Little change.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...East winds 4 to 10 mph in the morning
becoming upslope up to 5 mph.
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph in the morning
becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........4900 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........61-69.
* Max Humidity...........29-44 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 4 to 9 mph.
* Ridges/Upr Slopes....Northeast winds 4 to 9 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........85-91.
* Min Humidity...........14-21 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Northeast winds 5 to 11 mph shifting to the
southwest up to 7 mph in the afternoon.
* Ridges/Upr Slopes....Northeast winds 6 to 12 mph shifting to the
southwest up to 7 mph in the afternoon.
* Mixing Height..........6700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ139-022300-
Sierra (Cal-Tuo) Above 5000 ft-
Including the city of Twain Harte, Arnold
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear. Hazy and patchy smoke
through the night.
* Min Temperature........48-58.
* 24 HR Trend..........Little change.
* Max Humidity...........36-45 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southeast winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........71-81.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southwest winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........5300 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........49-59.
* Max Humidity...........28-43 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 5 to 11 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........72-82.
* Min Humidity...........15-25 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....East winds 5 to 11 mph shifting to the west
up to 7 mph in the afternoon.
* Mixing Height..........8200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ140-022300-
Tehama Co Coast Range Above 3000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear in the evening then becoming
mostly cloudy.
* Min Temperature........57-63.
* 24 HR Trend..........Little change.
* Max Humidity...........35-40 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........73-82.
* 24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy.
* Min Temperature........59-65.
* Max Humidity...........28-36 percent.
* 20-Foot Winds..........West winds up to 8 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy in the morning then
clearing.
* Max Temperature........75-85.
* Min Humidity...........16-22 percent.
* 20-Foot Winds..........West winds up to 7 mph shifting to the
southeast in the afternoon.
* Mixing Height..........5700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ141-022300-
W Tehama Co Foothills 1000-3000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........66-71 lower elevations...except 61-68
higher elevations.
* 24 HR Trend..........Little change.
* Max Humidity...........36-41 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........89-94 lower elevations...except 80-85
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 6 mph shifting to
the east up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the evening then becoming mostly cloudy.
* Min Temperature........67-72.
* Max Humidity...........26-37 percent.
* 20-Foot Winds..........West winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Partly cloudy early in the morning then
clearing.
* Max Temperature........92-97 lower elevations...except 84-89
higher elevations.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........West winds up to 8 mph shifting to the
east up to 6 mph in the afternoon.
* Mixing Height..........3900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ142-022300-
N. Sac Valley in Tehama County-
Including the city of Red Bluff
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-66.
* 24 HR Trend..........Little change.
* Max Humidity...........44-54 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........South winds up to 7 mph shifting to the
north up to 6 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........92-97.
* 24 HR Trend..........Little change.
* Min Humidity...........11-16 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 6 mph shifting to
the south in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........62-67.
* Max Humidity...........36-51 percent.
* 20-Foot Winds..........South winds up to 7 mph shifting to the
north up to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........12-17 percent.
* 20-Foot Winds..........North winds up to 7 mph.
* Mixing Height..........4100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ143-022300-
Glenn/Colusa Coast Range Above 3000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature........58-65.
* 24 HR Trend..........Little change.
* Max Humidity...........34-39 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........South winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........74-83.
* 24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
after midnight then becoming mostly cloudy.
* Min Temperature........61-67.
* Max Humidity...........27-38 percent.
* 20-Foot Winds..........West winds up to 7 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........77-85.
* Min Humidity...........16-23 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph shifting to
the southeast in the afternoon.
* Mixing Height..........5600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ144-022300-
Central Glenn Co & Interstate 5-
Including the city of Willows, Orland
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-64.
* 24 HR Trend..........Little change.
* Max Humidity...........49-64 percent.
* 24 HR Trend..........8 percent up.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph shifting to
the east in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
clearing.
* Min Temperature........61-66.
* Max Humidity...........41-56 percent.
* 20-Foot Winds..........West winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph shifting to
the northeast in the afternoon.
* Mixing Height..........3700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ145-022300-
Eastern Glenn County-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........63-71 percent.
* 24 HR Trend..........14 percent up.
* 20-Foot Winds..........Southeast winds up to 5 mph in the evening
becoming variable less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........3300 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
late in the evening then becoming partly cloudy.
* Min Temperature........58-63.
* Max Humidity...........55-70 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
northwest up to 5 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* Mixing Height..........3600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ146-022300-
Butte County Below 1000 ft-
Including the city of Chico, Oroville, Gridley
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-66.
* 24 HR Trend..........Little change.
* Max Humidity...........49-64 percent.
* 24 HR Trend..........10 percent up.
* 20-Foot Winds..........East winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
partly cloudy.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........3300 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
clearing.
* Min Temperature........59-67.
* Max Humidity...........43-58 percent.
* 20-Foot Winds..........East winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........13-20 percent.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
west up to 6 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ147-022300-
W. Glenn/Colusa Foothills 1000-3000 ft-
203 PM PDT Thu Oct 1 2026
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........60-68.
* 24 HR Trend..........Little change.
* Max Humidity...........36-51 percent.
* 24 HR Trend..........Little change.
* 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..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........88-93 lower elevations...except 82-87
higher elevations.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming east up
to 7 mph in the afternoon.
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming east up
to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
partly cloudy.
* Min Temperature........63-69.
* Max Humidity...........31-46 percent.
* 20-Foot Winds..........
* Valleys/Lwr Slopes...Drainage winds up to 5 mph.
* Ridges/Upr Slopes....Variable winds up to 5 mph becoming
northwest up to 7 mph after midnight.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........91-96 lower elevations...except 85-90
higher elevations.
* Min Humidity...........15-20 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 in the afternoon.
* Mixing Height..........4200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ148-022300-
Central Colusa County Incl. I-5-
Including the city of Williams
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-66.
* 24 HR Trend..........Little change.
* Max Humidity...........51-66 percent.
* 24 HR Trend..........7 percent up.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........3400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then
clearing.
* Min Temperature........63-68.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........South winds up to 5 mph shifting to the
west up to 7 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98.
* Min Humidity...........17-22 percent.
* 20-Foot Winds..........North winds up to 8 mph.
* Mixing Height..........3600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ149-022300-
Eastern Colusa County-
Including the city of Colusa
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63.
* 24 HR Trend..........Little change.
* Max Humidity...........68-73 percent.
* 24 HR Trend..........14 percent up.
* 20-Foot Winds..........Variable winds less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........3200 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........59-64.
* Max Humidity...........54-69 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* Mixing Height..........3300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ150-022300-
Sutter/Yuba counties below 1000 ft-
Including the city of Yuba City, Beale AFB
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63.
* 24 HR Trend..........Little change.
* Max Humidity...........55-70 percent.
* 24 HR Trend..........9 percent up.
* 20-Foot Winds..........Southeast winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........2900 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........59-65.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* Mixing Height..........3100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ151-022300-
Yolo / Solano County Hills-
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-68.
* 24 HR Trend..........Little change.
* Max Humidity...........54-69 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........85-90.
* 24 HR Trend..........Little change.
* Min Humidity...........18-23 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming
southeast 4 to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3700 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then
clearing.
* Min Temperature........65-73.
* Max Humidity...........44-59 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 5 mph.
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........89-95.
* Min Humidity...........15-23 percent.
* 20-Foot Winds..........
* Ridges/Upr Slopes....Variable winds up to 7 mph becoming east 4
to 7 mph in the afternoon.
* Mixing Height..........4000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ152-022300-
W. Yolo County including Capay/I-505-
Including the city of Esparto, Winters
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-66.
* 24 HR Trend..........Little change.
* Max Humidity...........50-65 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........3600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then
clearing.
* Min Temperature........64-70.
* Max Humidity...........39-54 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
northwest up to 6 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........North winds up to 7 mph.
* Mixing Height..........3700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ153-022300-
C. Yolo/NE Solano including Woodland-
Including the city of Woodland, Dixon
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63.
* 24 HR Trend..........Little change.
* Max Humidity...........69-80 percent.
* 24 HR Trend..........7 percent up.
* 20-Foot Winds..........South winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........3000 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then
clearing.
* Min Temperature........60-65.
* Max Humidity...........55-70 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........3300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ154-022300-
Sac Metro/W. El Dorado/Amador County-
Including the city of Lincoln, Roseville, Sacramento, Elk Grove,
Folsom
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-63.
* 24 HR Trend..........Little change.
* Max Humidity...........58-73 percent.
* 24 HR Trend..........5 percent up.
* 20-Foot Winds..........South winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........2600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........61-66.
* Max Humidity...........47-62 percent.
* 20-Foot Winds..........Northeast winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........96-101.
* Min Humidity...........13-19 percent.
* 20-Foot Winds..........North winds up to 6 mph.
* Mixing Height..........3000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ155-022300-
C. Solano County including Fairfield-
Including the city of Fairfield, Vacaville
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63.
* 24 HR Trend..........Little change.
* Max Humidity...........75-82 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 4 to 10 mph with local
gusts up to 20 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy early in the evening then
becoming partly cloudy.
* Min Temperature........61-66.
* Max Humidity...........51-66 percent.
* 20-Foot Winds..........West winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........97-102.
* Min Humidity...........15-22 percent.
* 20-Foot Winds..........North winds up to 7 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ156-022300-
SW Solano County including Vallejo-
Including the city of Vallejo, Benicia
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........82-89 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly cloudy.
* Max Temperature........86-93.
* 24 HR Trend..........Little change.
* Min Humidity...........21-30 percent.
* 24 HR Trend..........4 percent down.
* 20-Foot Winds..........West winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........1800 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then
clearing.
* Min Temperature........61-66.
* Max Humidity...........65-80 percent.
* 20-Foot Winds..........West winds up to 6 mph.
* Mixing Height..........300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........91-99.
* Min Humidity...........17-30 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph shifting to
the east up to 8 mph in the afternoon.
* Mixing Height..........2200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ157-022300-
Sacramento County Delta-
Including the city of Walnut Grove
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........77-82 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........West winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........89-94.
* 24 HR Trend..........Little change.
* Min Humidity...........19-24 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy early in the evening then
clearing.
* Min Temperature........59-64.
* Max Humidity...........63-73 percent.
* 20-Foot Winds..........West winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98.
* Min Humidity...........18-24 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* Mixing Height..........2900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ158-022300-
San Joaquin County Delta-
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
* 24 HR Trend..........Little change.
* Max Humidity...........76-81 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2300 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy early in the evening then
becoming mostly clear.
* Min Temperature........60-65.
* Max Humidity...........60-72 percent.
* 20-Foot Winds..........West winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........17-25 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* Mixing Height..........2700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ159-022300-
C. San Joaquin County including Stockton-
Including the city of Stockton, Lodi
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63.
* 24 HR Trend..........Little change.
* Max Humidity...........69-78 percent.
* 24 HR Trend..........9 percent up.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........2300 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy early in the evening then
clearing.
* Min Temperature........60-65.
* Max Humidity...........52-67 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
north up to 5 mph after midnight.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........Northwest winds up to 5 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ160-022300-
Tracy Triangle Below 1000 ft-
Including the city of Tracy
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........60-69.
* 24 HR Trend..........Little change.
* Max Humidity...........57-72 percent.
* 24 HR Trend..........8 percent up.
* 20-Foot Winds..........West winds up to 6 mph in the evening
becoming variable less than 5 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........89-94.
* 24 HR Trend..........Little change.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2100 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy early in the evening then
becoming partly cloudy.
* Min Temperature........62-70.
* Max Humidity...........42-57 percent.
* 20-Foot Winds..........Variable winds less than 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........14-19 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
north up to 7 mph in the afternoon.
* Mixing Height..........2900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ161-022300-
NE San Joaquin Valley Below 1000 ft-
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........62-67.
* 24 HR Trend..........Little change.
* Max Humidity...........41-56 percent.
* 24 HR Trend..........4 percent up.
* 20-Foot Winds..........North winds up to 6 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
mostly cloudy.
* Max Temperature........91-96.
* 24 HR Trend..........Little change.
* Min Humidity...........12-17 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
west up to 6 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........2600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy in the evening then becoming
mostly clear.
* Min Temperature........65-70.
* Max Humidity...........34-49 percent.
* 20-Foot Winds..........North winds up to 7 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........13-18 percent.
* 20-Foot Winds..........Northeast winds up to 7 mph shifting to
the west up to 6 mph in the afternoon.
* Mixing Height..........3300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ162-022300-
E. Diablo Range Above 1000 ft-
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........63-72.
* 24 HR Trend..........Little change.
* Max Humidity...........35-48 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........85-92.
* 24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........
* CWR....................0 percent.
* Mixing Height..........2600 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
clearing.
* Min Temperature........66-74.
* Max Humidity...........30-45 percent.
* 20-Foot Winds..........
* Mixing Height..........500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........90-96.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........
* Mixing Height..........4900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ163-022300-
W. Stanislaus County Above 1000 ft & I-5-
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........61-68.
* 24 HR Trend..........Little change.
* Max Humidity...........53-68 percent.
* 24 HR Trend..........9 percent up.
* 20-Foot Winds..........Northwest 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.
.FRIDAY...
* Sky/Weather............Partly cloudy in the morning then becoming
mostly cloudy.
* Max Temperature........89-94.
* 24 HR Trend..........Little change.
* Min Humidity...........16-21 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........2100 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy until early morning then
clearing.
* Min Temperature........64-70.
* Max Humidity...........41-56 percent.
* 20-Foot Winds..........Northwest winds up to 5 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
northeast up to 8 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
CAZ164-022300-
C. Stanislaus County including Modesto-
Including the city of Modesto, Turlock
203 PM PDT Thu Oct 1 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...
.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........59-64.
* 24 HR Trend..........Little change.
* Max Humidity...........62-75 percent.
* 24 HR Trend..........10 percent up.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY...
* Sky/Weather............Mostly sunny in the morning then becoming
mostly cloudy.
* Max Temperature........90-95.
* 24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
* 24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........2200 ft AGL.
* Chance of thunder......0 percent.
.FRIDAY NIGHT...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
late in the evening then becoming mostly cloudy then becoming
mostly clear early in the morning.
* Min Temperature........61-66.
* Max Humidity...........51-66 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* Mixing Height..........400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
.SATURDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........94-99.
* Min Humidity...........15-20 percent.
* 20-Foot Winds..........Northwest winds up to 6 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.
$$
.Extended...
...Shasta County Mountains and Coastal Range
.SATURDAY NIGHT...Mostly clear. Lows 55 to 65. Northwest winds
5 to 15 mph.
.SUNDAY...Partly cloudy. Highs 80 to 90. East winds 5 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows 55 to 65. Northwest winds up
to 10 mph.
.MONDAY...Sunny. Highs 80 to 90. Variable less than 5 mph.
.MONDAY NIGHT...Clear. Lows 53 to 63. Variable less than 5 mph.
.TUESDAY...Sunny. Highs 80 to 90. Variable less than 5 mph.
.TUESDAY NIGHT...Clear. Lows 54 to 64. Variable less than 5 mph.
...Northern Sierra and Lassen Park
.SATURDAY NIGHT...Clear. Lows 53 to 63. Northeast winds 5 to
15 mph.
.SUNDAY...Partly cloudy. Highs 83 to 92. Southwest winds 5 to
15 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 54 to 64. Northeast winds
5 to 15 mph.
.MONDAY...Sunny. Highs 81 to 90. Southwest winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 52 to 62. Northeast winds up to
10 mph.
.TUESDAY...Sunny. Highs 82 to 90. West winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 53 to 63. Northeast winds up to
10 mph.
...Sierra Nevada Foothills
.SATURDAY NIGHT...Clear. Lows 63 to 70. Northeast winds 5 to
15 mph.
.SUNDAY...Partly cloudy. Highs 91 to 96. Southwest winds 10 to
20 mph.
.SUNDAY NIGHT...Mostly clear. Lows 64 to 71. Northeast winds up
to 10 mph.
.MONDAY...Sunny. Highs 91 to 96. Variable less than 5 mph.
.MONDAY NIGHT...Clear. Lows 63 to 70. Variable less than 5 mph.
.TUESDAY...Sunny. Highs 90 to 95. West winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 63 to 70. Northeast winds up to
10 mph.
...Central Valley and Delta
.SATURDAY NIGHT...Clear. Lows 61 to 66. North winds up to 10 mph.
.SUNDAY...Partly cloudy. Highs 95 to 100. Northwest winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 62 to 67. Northwest winds 5 to
15 mph.
.MONDAY...Sunny. Highs 96 to 101. Variable less than 5 mph.
.MONDAY NIGHT...Clear. Lows 62 to 67. Variable less than 5 mph.
.TUESDAY...Sunny. Highs 95 to 100. Northwest winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 61 to 66. Variable less than 5 mph.
$$