157
FNUS56 KSTO 070731
FWFSTO

Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
1230 AM PDT Tue Oct 7 2025

NOTE: THIS PRODUCT HAS UPDATED FORECAST DATA BUT THE FORECAST
DISCUSSION IS FROM THE PREVIOUS DAY.

.DISCUSSION...
Warmer and drier weather weather prevails today through the
middle of the week. Periodically breezy north to east winds are
expected through early Tuesday before lighter winds Wednesday. A
pattern change late this week will bring cooler weather, breezier
onshore flow, and chances for light precipitation, mainly over
the mountains.



CAZ213-080000-
Eastern Portion of Shasta-Trinity NF-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........83-88 lower elevations...except 72-82
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........20-25 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...North winds 4 to 9 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.
* CWR....................0 percent.
* Mixing Height..........5700 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........53-58 lower elevations...except 43-53
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........51-66 percent.
*   24 HR Trend..........9 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Drainage winds up to 5 mph.
*   Ridges/Upr Slopes....North winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........78-83 lower elevations...except 67-77
  higher elevations.
* Min Humidity...........25-40 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming south up
    to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
    south 4 to 10 mph with local gusts up to 20 mph in the
    afternoon.
* Mixing Height..........7400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ214-080000-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........75-80 lower elevations...except 70-75
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........21-26 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph.
*   Ridges/Upr Slopes....East winds up to 8 mph shifting to the
    northwest up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6400 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........38-45.
*   24 HR Trend..........Little change.
* Max Humidity...........75-83 percent lower elevations...except
  56-71 percent high elevations.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Drainage winds up to 5 mph.
*   Ridges/Upr Slopes....South winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........72-77 lower elevations...except 66-72
  higher elevations.
* Min Humidity...........26-35 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
    4 to 10 mph with local gusts up to 25 mph in the afternoon.
*   Ridges/Upr Slopes....South winds 4 to 9 mph. Local gusts up to 25
    mph in the afternoon.
* Mixing Height..........8800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ215-080000-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........86-91.
*   24 HR Trend..........Little change.
* Min Humidity...........17-22 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........North winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........4700 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........54-59.
*   24 HR Trend..........Little change.
* Max Humidity...........51-64 percent.
*   24 HR Trend..........9 percent up.
* 20-Foot Winds..........South winds up to 6 mph shifting to the
  north after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........82-87.
* Min Humidity...........25-38 percent.
* 20-Foot Winds..........North winds up to 6 mph shifting to the
  south 4 to 9 mph with local gusts up to 20 mph in the afternoon.
* Mixing Height..........4800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ216-080000-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........85-90.
*   24 HR Trend..........Little change.
* Min Humidity...........21-26 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........53-59.
*   24 HR Trend..........Little change.
* Max Humidity...........58-73 percent.
*   24 HR Trend..........11 percent up.
* 20-Foot Winds..........South winds up to 7 mph shifting to the
  north after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........81-86.
* Min Humidity...........28-43 percent.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
  south 4 to 10 mph with local gusts up to 20 mph in the afternoon.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ217-080000-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........86-91.
*   24 HR Trend..........Little change.
* Min Humidity...........20-27 percent.
*   24 HR Trend..........4 percent down.
* 20-Foot Winds..........Northwest winds 7 to 13 mph with local
  gusts up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........3900 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........54-59.
*   24 HR Trend..........Little change.
* Max Humidity...........68-83 percent.
*   24 HR Trend..........15 percent up.
* 20-Foot Winds..........Southwest winds up to 7 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........79-84.
* Min Humidity...........37-52 percent.
* 20-Foot Winds..........South winds 5 to 11 mph. Local gusts up to
  20 mph in the afternoon.
* Mixing Height..........3000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ218-080000-
Carquinez Strait and Delta-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........87-92.
*   24 HR Trend..........Little change.
* Min Humidity...........21-26 percent.
*   24 HR Trend..........4 percent down.
* 20-Foot Winds..........Northwest winds 6 to 12 mph with local
  gusts up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........3600 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........57-62.
*   24 HR Trend..........Little change.
* Max Humidity...........83-88 percent.
*   24 HR Trend..........26 percent up.
* 20-Foot Winds..........West winds 5 to 11 mph. Local gusts up to
  20 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........73-81.
* Min Humidity...........61-76 percent.
* 20-Foot Winds..........West winds 7 to 13 mph with local gusts up
  to 25 mph.
* Mixing Height..........2400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ219-080000-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........86-91.
*   24 HR Trend..........Little change.
* Min Humidity...........24-29 percent.
*   24 HR Trend..........5 percent down.
* 20-Foot Winds..........Northwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........3700 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
*   24 HR Trend..........Little change.
* Max Humidity...........66-81 percent.
*   24 HR Trend..........12 percent up.
* 20-Foot Winds..........Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........400 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........79-84.
* Min Humidity...........37-52 percent.
* 20-Foot Winds..........Northwest winds 5 to 11 mph.
* Mixing Height..........3600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ263-279-080000-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........83-88 lower elevations...except 67-77
  higher elevations.
*   24 HR Trend..........4 degrees warmer.
* Min Humidity...........22-28 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northwest winds 4 to 9 mph shifting to the
    east up to 7 mph in the afternoon.
*   Ridges/Upr Slopes....North winds 4 to 9 mph shifting to the
    southeast up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5600 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-63 lower elevations...except 51-58
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........37-46 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds 4 to 9 mph.
*   Ridges/Upr Slopes....West winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........80-85 lower elevations...except 63-73
  higher elevations.
* Min Humidity...........26-41 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds 4 to 9 mph shifting to the south
    with local gusts up to 20 mph in the afternoon.
*   Ridges/Upr Slopes....Southwest winds 5 to 11 mph.
* Mixing Height..........7600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ266-080000-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........79-84.
*   24 HR Trend..........Little change.
* Min Humidity...........23-28 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds 10 to 16 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..........5300 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-63.
*   24 HR Trend..........Little change.
* Max Humidity...........40-51 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 4 to 9 mph.
*   Ridges/Upr Slopes....Variable winds up to 5 mph becoming east up
    to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........74-80.
* Min Humidity...........28-43 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 6 to 12 mph shifting to the
    southwest 4 to 9 mph with local gusts up to 20 mph in the
    afternoon.
*   Ridges/Upr Slopes....East winds 4 to 10 mph shifting to the
    southwest up to 8 mph with local gusts up to 20 mph in the
    afternoon.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ220-267-080000-
Southern Motherlode From 1000 to 3000 Ft. Includes portions of
Toulumne-Calaveras Unit-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and Eldorado Units-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........80-85.
*   24 HR Trend..........Little change.
* Min Humidity...........24-29 percent.
*   24 HR Trend..........5 percent down.
* 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....East winds 4 to 10 mph shifting to the west
    up to 7 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........5900 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........55-60.
*   24 HR Trend..........Little change.
* Max Humidity...........48-58 percent.
*   24 HR Trend..........Little change.
* 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.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........76-81.
* Min Humidity...........31-46 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 shifting to the
    southwest up to 7 mph in the afternoon.
* Mixing Height..........4700 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ268-080000-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........70-76 lower elevations...except 64-70
  higher elevations.
*   24 HR Trend..........4 degrees warmer.
* Min Humidity...........25-31 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 9 to 15 mph shifting to the
    southwest up to 7 mph in the afternoon.
*   Ridges/Upr Slopes....East winds 8 to 14 mph shifting to the
    southwest up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........42-52.
*   24 HR Trend..........Little change.
* Max Humidity...........50-65 percent...except 74-87 percent in
  the high mountain valleys.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...South winds up to 7 mph shifting to the east
    up to 8 mph after midnight.
*   Ridges/Upr Slopes....South winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........66-72 lower elevations...except 59-67
  higher elevations.
* Min Humidity...........28-43 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 4 to 10 mph shifting to the
    southwest 5 to 11 mph with local gusts up to 25 mph in the
    afternoon.
*   Ridges/Upr Slopes....South winds 7 to 13 mph. Local gusts up to
    25 mph in the afternoon.
* Mixing Height..........8000 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ221-269-080000-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
1230 AM PDT Tue Oct 7 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........76-81 lower elevations...except 61-71
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........25-36 percent.
*   24 HR Trend..........4 percent down.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 5 to 11 mph shifting to the west
    up to 7 mph in the afternoon.
*   Ridges/Upr Slopes....East winds 6 to 12 mph shifting to the west
    up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6300 ft AGL.
* Chance of thunder......1 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........50-58 lower elevations...except 39-49
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........48-63 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 4 to 9 mph.
*   Ridges/Upr Slopes....East winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.

.WEDNESDAY...
* Sky/Weather............Sunny.
* Max Temperature........71-77 lower elevations...except 57-67
  higher elevations.
* Min Humidity...........25-40 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds up to 8 mph shifting to the
    southwest 4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....Southeast winds 4 to 10 mph shifting to the
    southwest 6 to 12 mph in the afternoon.
* Mixing Height..........7300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$


.Extended...

...Shasta County Mountains and Coastal Range
.WEDNESDAY NIGHT...Mostly clear. Lows 41 to 49. Southwest winds
5 to 15 mph.
.THURSDAY...Partly cloudy with a slight chance of showers. Highs
52 to 62. South winds 5 to 15 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of showers. Lows
38 to 46. Southwest winds up to 10 mph.
.FRIDAY...Showers likely. Highs 47 to 57. South winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows
35 to 43. Variable less than 5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Highs
51 to 61. Northwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 33 to 43. Northwest winds
5 to 10 mph.

...Northern Sierra and Lassen Park
.WEDNESDAY NIGHT...Mostly clear. Lows 41 to 50. Southeast winds
5 to 15 mph.
.THURSDAY...Partly cloudy with a slight chance of showers. Highs
57 to 67. South winds 5 to 15 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 38 to 47. South winds 5 to 15 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Highs 53 to 63.
South winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows
33 to 43. Variable less than 5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Highs
52 to 61. Variable less than 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows 32 to 42. Variable less than
5 mph.

...Sierra Nevada Foothills
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Southeast winds
5 to 15 mph.
.THURSDAY...Partly cloudy with a slight chance of showers. Highs
65 to 71. South winds 10 to 20 mph.
.THURSDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows 47 to 52. Southeast winds 5 to 15 mph.
.FRIDAY...Mostly cloudy with a chance of showers. Highs 60 to 68.
South winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows
43 to 49. Variable less than 5 mph.
.SATURDAY...Partly cloudy with a slight chance of showers. Highs
60 to 66. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 43 to 48. Variable less than 5 mph.

...Central Valley and Delta
.WEDNESDAY NIGHT...Mostly clear. Lows 54 to 59. South winds 5 to
15 mph.
.THURSDAY...Mostly sunny. Highs 72 to 77. South winds 10 to
20 mph.
.THURSDAY NIGHT...Mostly clear. Lows 49 to 54. Southwest winds
5 to 15 mph.
.FRIDAY...Partly cloudy with a chance of showers. Highs 68 to 73.
South winds 5 to 10 mph.
.FRIDAY NIGHT...Partly cloudy with a chance of showers. Lows
48 to 53. West winds up to 10 mph.
.SATURDAY...Mostly sunny. Highs 67 to 72. Northwest winds 5 to
15 mph.
.SATURDAY NIGHT...Clear. Lows 47 to 52. Northwest winds 5 to
10 mph.

$$