454
FNUS56 KSTO 300730
FWFSTO

Fire Weather Planning Forecast for Interior Northern California
National Weather Service Sacramento CA
1230 AM PDT Sat Aug 30 2025

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



.DISCUSSION...
High temperatures will gradually warm through the weekend into
next week. Afternoon humidity levels will generally be in the
teens to lower 20s, with areas of poor recovery in the foothills
and mountains. Dry weather is generally expected. Winds will
mainly be light and terrain driven.



CAZ213-310000-
Eastern Portion of Shasta-Trinity NF-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100 lower elevations...except 84-93
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........13-18 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
    south in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
    south 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8100 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear. Areas of smoke after
  midnight.
* Min Temperature........64-69 lower elevations...except 55-65
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........35-50 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Drainage winds up to 5 mph becoming north up
    to 7 mph after midnight.
*   Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the
    north after midnight.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100 lower elevations...except 83-93
  higher elevations.
* Min Humidity...........11-20 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...North winds up to 7 mph shifting to the
    south up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
    south with local gusts up to 20 mph in the afternoon.
* Mixing Height..........6900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ214-310000-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Mostly sunny.
* 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 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.
* CWR....................0 percent.
* Mixing Height..........9700 ft AGL.
* Chance of thunder......1 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........50-56.
*   24 HR Trend..........Little change.
* Max Humidity...........43-55 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds up to 8 mph in the evening
    becoming drainage up to 5 mph.
*   Ridges/Upr Slopes....South winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........700 ft AGL.
* Chance of thunder......1 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........89-94 lower elevations...except 83-89
  higher elevations.
* Min Humidity...........15-22 percent.
* 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
    southwest up to 8 mph with local gusts up to 20 mph in the
    afternoon.
* Mixing Height..........8900 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ215-310000-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
*   24 HR Trend..........Little change.
* Min Humidity...........14-19 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 7 mph shifting to the
  south up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........9000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-70.
*   24 HR Trend..........Little change.
* Max Humidity...........36-46 percent.
*   24 HR Trend..........4 percent down.
* 20-Foot Winds..........South winds up to 8 mph shifting to the
  north after midnight.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........98-103.
* Min Humidity...........10-20 percent.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
  south in the afternoon.
* Mixing Height..........6400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ216-310000-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
*   24 HR Trend..........Little change.
* Min Humidity...........18-26 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
  south 4 to 9 mph with local gusts up to 20 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........6600 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........62-68.
*   24 HR Trend..........Little change.
* Max Humidity...........41-56 percent.
*   24 HR Trend..........12 percent down.
* 20-Foot Winds..........Southwest winds up to 8 mph shifting to
  the northwest after midnight.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100.
* Min Humidity...........12-26 percent.
* 20-Foot Winds..........North winds up to 8 mph shifting to the
  south in the afternoon.
* Mixing Height..........5100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ217-310000-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........98-103.
*   24 HR Trend..........4 degrees warmer.
* Min Humidity...........16-21 percent.
*   24 HR Trend..........4 percent down.
* 20-Foot Winds..........West winds up to 8 mph.
* CWR....................0 percent.
* Mixing Height..........7000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........61-69.
*   24 HR Trend..........Little change.
* Max Humidity...........45-60 percent.
*   24 HR Trend..........14 percent down.
* 20-Foot Winds..........Southwest winds 4 to 9 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
* Min Humidity...........11-24 percent.
* 20-Foot Winds..........Southwest winds up to 8 mph.
* Mixing Height..........5200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ218-310000-
Carquinez Strait and Delta-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100.
*   24 HR Trend..........8 degrees warmer.
* Min Humidity...........20-25 percent.
*   24 HR Trend..........11 percent down.
* 20-Foot Winds..........West winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........4300 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........60-65.
*   24 HR Trend..........Little change.
* Max Humidity...........56-70 percent.
*   24 HR Trend..........14 percent down.
* 20-Foot Winds..........West winds 6 to 12 mph with local gusts up
  to 20 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........91-99.
* Min Humidity...........29-44 percent.
* 20-Foot Winds..........West winds 6 to 12 mph with local gusts up
  to 20 mph.
* Mixing Height..........3100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ219-310000-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........97-102.
*   24 HR Trend..........5 degrees warmer.
* Min Humidity...........17-22 percent.
*   24 HR Trend..........5 percent down.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........6000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........65-71.
*   24 HR Trend..........4 degrees warmer.
* Max Humidity...........38-53 percent.
*   24 HR Trend..........15 percent down.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* CWR....................0 percent.
* Mixing Height..........500 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........96-101.
* Min Humidity...........13-23 percent.
* 20-Foot Winds..........Northwest winds 7 to 13 mph.
* Mixing Height..........5300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ263-279-310000-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Eastern Mendocino NF-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100 lower elevations...except 79-89
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........16-21 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...North winds up to 8 mph shifting to the
    southeast 4 to 9 mph in the afternoon.
*   Ridges/Upr Slopes....South winds 4 to 10 mph.
* CWR....................0 percent.
* Mixing Height..........8400 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........69-74 lower elevations...except 60-67
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........29-35 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...West winds 5 to 11 mph.
*   Ridges/Upr Slopes....West winds 5 to 11 mph.
* CWR....................0 percent.
* Mixing Height..........600 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........95-100 lower elevations...except 78-88
  higher elevations.
* Min Humidity...........12-26 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northwest winds 5 to 11 mph shifting to the
    east up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Northwest winds 5 to 11 mph shifting to the
    southeast 4 to 9 mph in the afternoon.
* Mixing Height..........6200 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ266-310000-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........92-97 lower elevations...except 87-93
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...North winds 7 to 13 mph shifting to the
    southwest up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds 5 to 11 mph shifting to the
    southwest up to 8 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8000 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........66-73.
*   24 HR Trend..........Little change.
* Max Humidity...........29-38 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..........500 ft AGL.
* Chance of thunder......0 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........93-98 lower elevations...except 87-93
  higher elevations.
* Min Humidity...........13-26 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 5 to 11 mph shifting to the
    southwest up to 8 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..........6300 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ220-267-310000-
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 Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........95-100 lower elevations...except 90-95
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........15-20 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northwest winds 4 to 9 mph. Local gusts up
    to 20 mph in the afternoon.
*   Ridges/Upr Slopes....North winds up to 8 mph shifting to the west
    4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........7600 ft AGL.
* Chance of thunder......0 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........66-71.
*   24 HR Trend..........Little change.
* Max Humidity...........35-42 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.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........92-98.
* Min Humidity...........13-21 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds up to 8 mph shifting to the
    west with local gusts up to 20 mph in the afternoon.
*   Ridges/Upr Slopes....Northeast winds up to 8 mph shifting to the
    west in the afternoon.
* Mixing Height..........7100 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ268-310000-
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 Sat Aug 30 2025

.TODAY...
* Sky/Weather............Sunny.
* Max Temperature........82-89 lower elevations...except 74-82
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........18-24 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds 4 to 10 mph shifting to the
    southwest up to 8 mph in the afternoon.
*   Ridges/Upr Slopes....Southeast winds 4 to 10 mph shifting to the
    southwest 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........7900 ft AGL.
* Chance of thunder......1 percent.

.TONIGHT...
* Sky/Weather............Clear.
* Min Temperature........53-63.
*   24 HR Trend..........Little change.
* Max Humidity...........33-48 percent...except 53-68 percent in
  the high mountain valleys.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Southwest winds up to 8 mph shifting to the
    east after midnight.
*   Ridges/Upr Slopes....Southwest winds up to 8 mph shifting to the
    east after midnight.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......1 percent.

.SUNDAY...
* Sky/Weather............Mostly sunny.
* Max Temperature........82-88 lower elevations...except 75-83
  higher elevations.
* Min Humidity...........13-28 percent.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 4 to 10 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 with local gusts up to 20 mph in the afternoon.
* Mixing Height..........7600 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$

CAZ221-269-310000-
Stanislaus NF West of the Sierra Crest-
Northern Sierra Including the Tahoe and Eldorado NF/S West of the
Sierra Crest-
1230 AM PDT Sat Aug 30 2025

.TODAY...
* Sky/Weather............Mostly sunny. Areas of smoke in the
  afternoon.
* Max Temperature........87-92 lower elevations...except 72-82
  higher elevations.
*   24 HR Trend..........Little change.
* Min Humidity...........19-28 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...East winds 4 to 9 mph shifting to the west
    in the afternoon.
*   Ridges/Upr Slopes....Southeast winds 5 to 11 mph shifting to the
    west 4 to 9 mph in the afternoon.
* CWR....................0 percent.
* Mixing Height..........8200 ft AGL.
* Chance of thunder......2 percent.

.TONIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature........60-69 lower elevations...except 50-60
  higher elevations.
*   24 HR Trend..........Little change.
* Max Humidity...........39-54 percent.
*   24 HR Trend..........Little change.
* 20-Foot Winds..........
*   Valleys/Lwr Slopes...Northeast winds up to 8 mph.
*   Ridges/Upr Slopes....Northwest winds 4 to 10 mph shifting to the
    east 4 to 9 mph after midnight.
* CWR....................0 percent.
* Mixing Height..........300 ft AGL.
* Chance of thunder......1 percent.

.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature........87-93 lower elevations...except 72-82
  higher elevations.
* Min Humidity...........17-32 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....East winds 4 to 9 mph shifting to the
    southwest with local gusts up to 20 mph in the afternoon.
* Mixing Height..........8400 ft AGL.
* CWR....................0 percent.
* Chance of thunder......0 percent.


$$


.Extended...

...Shasta County Mountains and Coastal Range
.SUNDAY NIGHT...Clear. Lows 55 to 65. Northwest winds up to
10 mph.
.LABOR DAY...Sunny. Highs 83 to 93. Southeast winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 58 to 68. Northwest winds 5 to
15 mph.
.TUESDAY...Mostly sunny. Highs 86 to 96. East winds up to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 58 to 68. Variable less than
5 mph.
.WEDNESDAY...Mostly sunny. Highs 84 to 94. East winds up to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 68. Variable less
than 5 mph.

...Northern Sierra and Lassen Park
.SUNDAY NIGHT...Clear. Lows 57 to 67. East winds up to 10 mph.
.LABOR DAY...Sunny. Highs 85 to 95. Southwest winds 5 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 58 to 68. Northeast winds up
to 10 mph.
.TUESDAY...Mostly sunny. Highs 85 to 94. Variable less than
5 mph.
.TUESDAY NIGHT...Mostly clear. Lows 57 to 67. Variable less than
5 mph.
.WEDNESDAY...Mostly sunny. Highs 84 to 94. Variable less than
5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67. Variable less
than 5 mph.

...Sierra Nevada Foothills
.SUNDAY NIGHT...Clear. Lows 66 to 72. East winds up to 10 mph.
.LABOR DAY...Sunny. Highs 93 to 98. Southwest winds 5 to 15 mph.
.MONDAY NIGHT...Clear. Lows 68 to 73. Northeast winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 92 to 98. Variable less than
5 mph.
.TUESDAY NIGHT...Mostly clear. Lows 66 to 72. Variable less than
5 mph.
.WEDNESDAY...Sunny. Highs 92 to 97. Variable less than 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 67 to 72. Variable less
than 5 mph.

...Central Valley and Delta
.SUNDAY NIGHT...Clear. Lows 60 to 66. Southwest winds 5 to
15 mph.
.LABOR DAY...Sunny. Highs 98 to 103. West winds 5 to 15 mph.
.MONDAY NIGHT...Clear. Lows 62 to 68. West winds 5 to 15 mph.
.TUESDAY...Mostly sunny. Highs 97 to 102. Variable less than
5 mph.
.TUESDAY NIGHT...Clear. Lows 60 to 67. Southwest winds up to
10 mph.
.WEDNESDAY...Sunny. Highs 96 to 101. West winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 59 to 67. Southwest winds up to
10 mph.

$$