513
FNUS56 KSTO 110730
FWFSTO

Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
1230 AM PDT Mon Aug 11 2025

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



...Hot Temperatures and Low Relative Humidity through Monday in
the Northern Sacramento Valley...

.DISCUSSION...
Hot temperatures and low daytime humidity with poor to moderate
overnight recoveries continue through Monday. A mix of
periodically breezy onshore winds and terrain driven winds
persists, becoming more onshore influenced by mid week. A cooling
trend accompanied by improving humidity recovery then remains on
track from Tuesday onward, although dry weather is expected to
continue.


CAZ213-120000-
Eastern Portion of Shasta-Trinity NF-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........104-109 lower elevations...except 94-103
  higher elevations.
*   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 becoming south up
    to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
    south up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8600 ft AGL.
* Chance of thunder......1 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........69-74 lower elevations...except 61-71
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........41-55 percent.
*   24 HR Trend..........9 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds up to 7 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening
    becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......1 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104 lower elevations...except 90-98
  higher elevations.
* Min Humidity...........16-29 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....Variable winds up to 7 mph becoming south 4
    to 9 mph in the afternoon.
* Mixing Height..........5500 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ214-120000-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........98-103 lower elevations...except 92-97
  higher elevations.
*   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 becoming west up
    to 8 mph with local gusts up to 20 mph in the afternoon.
*   Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4
    to 9 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........10400 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........59-64.
*   24 HR Trend..........Little change.
* Max Humidity...........45-54 percent.
*   24 HR Trend..........6 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds up to 7 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....Southwest winds up to 8 mph in the evening
    becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100 lower elevations...except 89-95
  higher elevations.
* Min Humidity...........16-23 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming west 4 to
    9 mph with local gusts up to 20 mph in the afternoon.
*   Ridges/Upr Slopes....Variable winds up to 7 mph becoming west 4
    to 9 mph with local gusts up to 20 mph in the afternoon.
* Mixing Height..........8800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.


$$

CAZ215-120000-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........104-109.
*   24 HR Trend..........Little change.
* Min Humidity...........15-23 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........5200 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........69-74.
*   24 HR Trend..........Little change.
* Max Humidity...........50-63 percent.
*   24 HR Trend..........8 percent up.
* 20-Foot Winds..........South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104.
* Min Humidity...........21-36 percent.
* 20-Foot Winds..........Variable winds less than 5 mph becoming
  south 4 to 9 mph in the afternoon.
* Mixing Height..........4200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ216-120000-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........101-106.
*   24 HR Trend..........Little change.
* Min Humidity...........23-32 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Southeast winds up to 8 mph. Local gusts
  up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3100 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........64-69.
*   24 HR Trend..........Little change.
* Max Humidity...........62-77 percent.
*   24 HR Trend..........6 percent up.
* 20-Foot Winds..........Southeast winds 5 to 11 mph. Local gusts
  up to 20 mph in the evening.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
* Min Humidity...........24-39 percent.
* 20-Foot Winds..........Southeast winds up to 8 mph.
* Mixing Height..........2800 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ217-120000-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........97-103.
*   24 HR Trend..........Little change.
* Min Humidity...........23-31 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........South winds 6 to 12 mph. Local gusts up to
  25 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3400 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........59-65.
*   24 HR Trend..........Little change.
* Max Humidity...........68-83 percent.
*   24 HR Trend..........6 percent up.
* 20-Foot Winds..........South winds 6 to 12 mph with local gusts
  up to 25 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........93-99.
* Min Humidity...........27-42 percent.
* 20-Foot Winds..........South winds 5 to 11 mph.
* Mixing Height..........2900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ218-120000-
Carquinez Strait and Delta-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Partly cloudy in the morning then
  clearing.
* Max Temperature........87-97.
*   24 HR Trend..........5 degrees cooler.
* Min Humidity...........28-42 percent.
*   24 HR Trend..........7 percent up.
* 20-Foot Winds..........West winds 10 to 16 mph with local gusts
  up to 30 mph.
* CWR....................0 percent.
* Mixing Height..........1800 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........58-63.
*   24 HR Trend..........Little change.
* Max Humidity...........75-90 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Southwest winds 10 to 17 mph with local
  gusts up to 30 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........83-93.
* Min Humidity...........49-64 percent.
* 20-Foot Winds..........West winds 9 to 15 mph with local gusts up
  to 25 mph.
* Mixing Height..........1900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ219-120000-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
*   24 HR Trend..........Little change.
* Min Humidity...........18-28 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 8 to 14 mph. Local gusts
  up to 25 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........3400 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........62-67.
*   24 HR Trend..........Little change.
* Max Humidity...........55-70 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........Northwest winds 9 to 15 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........94-99.
* Min Humidity...........20-35 percent.
* 20-Foot Winds..........Northwest winds 6 to 12 mph.
* Mixing Height..........3200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ263-279-120000-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........103-108 lower elevations...except 88-98
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........16-23 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
    4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 7 mph shifting to the
    southeast 5 to 11 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6700 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........72-77 lower elevations...except 67-73
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........33-44 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.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........99-104 lower elevations...except 84-94
  higher elevations.
* Min Humidity...........18-33 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southeast
    up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....North winds up to 7 mph shifting to the
    southeast 4 to 9 mph in the afternoon.
* Mixing Height..........5400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ266-120000-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........96-104.
*   24 HR Trend..........Little change.
* Min Humidity...........15-24 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northwest winds up to 8 mph shifting to the
    southwest in the afternoon.
*   Ridges/Upr Slopes....North winds up to 7 mph shifting to the
    southwest up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........4500 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........70-75.
*   24 HR Trend..........Little change.
* Max Humidity...........40-51 percent.
*   24 HR Trend..........8 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southeast winds up to 7 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....Southeast 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.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........93-99.
* Min Humidity...........22-37 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
    southwest up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Variable winds up to 7 mph becoming
    southwest up to 8 mph in the afternoon.
* Mixing Height..........3900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ220-267-120000-
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 Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100.
*   24 HR Trend..........Little change.
* Min Humidity...........20-25 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds up to 8 mph.
*   Ridges/Upr Slopes....West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........4000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-71.
*   24 HR Trend..........Little change.
* Max Humidity...........45-59 percent.
*   24 HR Trend..........4 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds up to 8 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....West winds up to 8 mph in the evening
    becoming variable up to 5 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97.
* Min Humidity...........17-32 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Upslope winds up to 5 mph becoming southwest
    up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Variable winds up to 7 mph becoming
    southwest up to 8 mph in the afternoon.
* Mixing Height..........3400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ268-120000-
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 Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........90-98 lower elevations...except 84-91
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........15-22 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds 4 to 9 mph shifting to the
    west in the afternoon.
*   Ridges/Upr Slopes....East winds up to 8 mph shifting to the west
    4 to 10 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........58-68.
*   24 HR Trend..........Little change.
* Max Humidity...........37-51 percent...except 50-63 percent in
  the high mountain valleys.
*   24 HR Trend..........5 percent up.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the
    northeast up to 7 mph after midnight.
*   Ridges/Upr Slopes....Northwest winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......0 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........86-94 lower elevations...except 80-88
  higher elevations.
* Min Humidity...........19-34 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds up to 7 mph shifting to the
    southwest up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....East winds up to 7 mph shifting to the
    southwest 4 to 10 mph in the afternoon.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ221-269-120000-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
1230 AM PDT Mon Aug 11 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........91-97 lower elevations...except 80-90
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........17-23 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds up to 7 mph shifting to the west
    4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....East winds 4 to 9 mph shifting to the west 5
    to 11 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6100 ft AGL.
* Chance of thunder......1 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-73 lower elevations...except 55-65
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........39-51 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northwest winds up to 8 mph shifting to the
    northeast up to 7 mph after midnight.
*   Ridges/Upr Slopes....Northwest winds 4 to 9 mph shifting to the
    northeast up to 8 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......1 percent.

.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature........89-95 lower elevations...except 78-88
  higher elevations.
* Min Humidity...........21-36 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds up to 7 mph shifting to the
    southwest 4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....East winds up to 8 mph shifting to the west
    4 to 10 mph with local gusts up to 20 mph in the afternoon.
* Mixing Height..........5100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......1 percent.


$$


.Extended...

...Shasta County Mountains and Coastal Range
.TUESDAY NIGHT...Clear. Lows 60 to 68. West winds 5 to 15 mph.
.WEDNESDAY...Sunny. Highs 82 to 92. Southeast winds 5 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 56 to 65. West winds up to 10 mph.
.THURSDAY...Sunny. Highs 81 to 91. Southeast winds up to 10 mph.
.THURSDAY NIGHT...Clear. Lows 55 to 65. Northwest winds up to
10 mph.
.FRIDAY...Sunny. Highs 80 to 90. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 54 to 64. Northwest winds up
to 10 mph.

...Northern Sierra and Lassen Park
.TUESDAY NIGHT...Clear. Lows 58 to 68. Southeast winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 83 to 92. Southwest winds 5 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 54 to 64. Southeast winds up to
10 mph.
.THURSDAY...Sunny. Highs 81 to 90. Southwest winds up to 10 mph.
.THURSDAY NIGHT...Clear. Lows 53 to 63. Variable less than 5 mph.
.FRIDAY...Sunny. Highs 80 to 88. Southwest winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 52 to 62. Variable less than 5 mph.

...Sierra Nevada Foothills
.TUESDAY NIGHT...Clear. Lows 63 to 70. Southeast winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 88 to 93. Southwest winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 66. East winds up to 10 mph.
.THURSDAY...Sunny. Highs 87 to 92. Variable less than 5 mph.
.THURSDAY NIGHT...Clear. Lows 60 to 67. Variable less than 5 mph.
.FRIDAY...Sunny. Highs 86 to 92. Variable less than 5 mph.
.FRIDAY NIGHT...Clear. Lows 60 to 66. Variable less than 5 mph.

...Central Valley and Delta
.TUESDAY NIGHT...Clear. Lows 58 to 63. South winds 10 to 20 mph.
.WEDNESDAY...Sunny. Highs 90 to 95. Southwest winds 5 to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 57 to 62. South winds 5 to 15 mph.
.THURSDAY...Sunny. Highs 90 to 95. Southwest winds up to 10 mph.
.THURSDAY NIGHT...Clear. Lows 58 to 64. Southwest winds up to
10 mph.
.FRIDAY...Sunny. Highs 91 to 96. West winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 60 to 65. Southwest winds up to
10 mph.

$$