910
FNUS56 KSTO 142016
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
116 PM PDT THU AUG 14 2025
DISCUSSION
NEAR TO BELOW NORMAL TEMPERATURES CONTINUE ACROSS THE REGION
THROUGH THE WEEKEND WITH PERIODICALLY BREEZY ONSHORE FLOW AND
HIGHER RELATIVE HUMIDITY. THERE IS A 15-30% CHANCE OF SHOWERS OR
THUNDERSTORMS OVER THE COAST RANGE, SOUTHERN CASCADES, SHASTA
COUNTY MOUNTAINS AND THE NORTHERN SACRAMENTO VALLEY ON SATURDAY
AND SUNDAY. A GRADUAL WARMING AND DRYING TREND IS FAVORED FOR NEXT
WEEK.
CAZ213-152030-
EASTERN PORTION OF SHASTA-TRINITY NF-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 53-63
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........48-63 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........94-99 LOWER ELEVATIONS...EXCEPT 83-93
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-30 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........8300 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 55-65
HIGHER ELEVATIONS.
* MAX HUMIDITY...........68-83 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING, THEN PARTLY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS EARLY IN THE AFTERNOON.
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE AFTERNOON.
* MAX TEMPERATURE........87-92 LOWER ELEVATIONS...EXCEPT 75-85
HIGHER ELEVATIONS.
* MIN HUMIDITY...........42-57 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......14 PERCENT.
CAZ214-152030-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........48-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........58-68 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH WITH LOCAL GUSTS
UP TO 20 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH WITH LOCAL GUSTS
UP TO 20 MPH SHIFTING TO THE EAST UP TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........900 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........87-92 LOWER ELEVATIONS...EXCEPT 81-86
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING NORTHWEST
UP TO 8 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
NORTHWEST UP TO 8 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........8400 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-58.
* MAX HUMIDITY...........71-86 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH WITH LOCAL GUSTS UP
TO 20 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH WITH LOCAL GUSTS UP TO
20 MPH SHIFTING TO THE EAST UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON THEN
BECOMING PARTLY CLOUDY. AT HIGHER ELEVATIONS, A SLIGHT CHANCE OF
SHOWERS EARLY IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON.
* MAX TEMPERATURE........82-87 LOWER ELEVATIONS...EXCEPT 75-81
HIGHER ELEVATIONS.
* MIN HUMIDITY...........35-50 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST UP
TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING WEST UP
TO 8 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......14 PERCENT.
CAZ215-152030-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........67-72.
* 24 HR TREND..........5 DEGREES WARMER.
* MAX HUMIDITY...........47-59 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........97-102.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........9400 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........67-72.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........89-94.
* MIN HUMIDITY...........33-48 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH SHIFTING TO
THE SOUTH IN THE AFTERNOON.
* MIXING HEIGHT..........6500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......10 PERCENT.
CAZ216-152030-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........63-68.
* 24 HR TREND..........6 DEGREES WARMER.
* MAX HUMIDITY...........63-78 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTH UP TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........95-100.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........26-34 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 4 TO 10 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........65-70.
* MAX HUMIDITY...........62-77 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 6 TO 12 MPH. LOCAL GUSTS UP TO
20 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........87-92.
* MIN HUMIDITY...........42-57 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........5200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......3 PERCENT.
CAZ217-152030-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-64.
* 24 HR TREND..........4 DEGREES WARMER.
* MAX HUMIDITY...........71-86 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........94-99.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........26-34 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........62-67.
* MAX HUMIDITY...........61-76 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........87-92.
* MIN HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........4900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ218-152030-
CARQUINEZ STRAIT AND DELTA-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-64.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........79-86 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 7 TO 13 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-95.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........34-41 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........63-68.
* MAX HUMIDITY...........69-84 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 11 TO 17 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........82-88.
* MIN HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 9 TO 15 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........3900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ219-152030-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........69-84 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........92-97.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........28-34 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 8 TO 14 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-66.
* MAX HUMIDITY...........68-83 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 13 TO 19 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........85-90.
* MIN HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 9 TO 15 MPH.
* MIXING HEIGHT..........4700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-152030-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........70-75 LOWER ELEVATIONS...EXCEPT 59-67
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........40-51 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........92-97 LOWER ELEVATIONS...EXCEPT 76-86
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........25-36 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6900 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........67-72 LOWER ELEVATIONS...EXCEPT 57-63
HIGHER ELEVATIONS.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 16 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 16 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING, THEN PARTLY
CLOUDY WITH A CHANCE OF SHOWERS EARLY IN THE AFTERNOON. PARTLY
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
* MAX TEMPERATURE........85-90 LOWER ELEVATIONS...EXCEPT 69-79
HIGHER ELEVATIONS.
* MIN HUMIDITY...........36-50 PERCENT LOWER ELEVATIONS...EXCEPT
47-62 PERCENT HIGH ELEVATIONS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH SHIFTING TO THE
SOUTH UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........5400 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......14 PERCENT.
CAZ266-152030-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........64-70.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........45-56 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 7 MPH SHIFTING TO THE
NORTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 7 MPH SHIFTING TO THE
NORTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96 LOWER ELEVATIONS...EXCEPT 86-92
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-29 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 8 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........7800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........64-69.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 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.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89 LOWER ELEVATIONS...EXCEPT 79-85
HIGHER ELEVATIONS.
* MIN HUMIDITY...........44-59 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......7 PERCENT.
CAZ220-267-152030-
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-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-66.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........51-63 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 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............SUNNY.
* MAX TEMPERATURE........87-92.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........27-32 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST 4 TO
9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING WEST 4
TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........60-65.
* MAX HUMIDITY...........64-79 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 9 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.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........85-90 LOWER ELEVATIONS...EXCEPT 80-85
HIGHER ELEVATIONS.
* MIN HUMIDITY...........32-47 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..........5000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-152030-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........50-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........48-63 PERCENT...EXCEPT 63-78 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH SHIFTING TO THE
NORTHEAST 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........80-88 LOWER ELEVATIONS...EXCEPT 74-82
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-32 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........7100 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........50-60.
* MAX HUMIDITY...........64-79 PERCENT...EXCEPT 72-87 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH SHIFTING TO THE
EAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........73-81 LOWER ELEVATIONS...EXCEPT 67-75
HIGHER ELEVATIONS.
* MIN HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......7 PERCENT.
CAZ221-269-152030-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
116 PM PDT THU AUG 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-65 LOWER ELEVATIONS...EXCEPT 47-57
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........45-60 PERCENT.
* 24 HR TREND..........100 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 7 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH SHIFTING TO THE EAST
UP TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........83-88 LOWER ELEVATIONS...EXCEPT 71-81
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-31 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
WEST 4 TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5600 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-64 LOWER ELEVATIONS...EXCEPT 46-56
HIGHER ELEVATIONS.
* MAX HUMIDITY...........65-80 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH SHIFTING TO THE
SOUTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........77-83 LOWER ELEVATIONS...EXCEPT 65-75
HIGHER ELEVATIONS.
* MIN HUMIDITY...........37-52 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
4 TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........5700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
54 TO 62. NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
69 TO 79. SOUTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
COOLER. MOSTLY CLEAR. LOWS 48 TO 57. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS 71 TO 80. SOUTH WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 48 TO 58. VARIABLE LESS THAN 5 MPH.
TUESDAY
WARMER, SUNNY. HIGHS 76 TO 86. SOUTH WINDS UP TO
10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 51 TO 61. WEST WINDS UP TO 10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60. SOUTHEAST WINDS UP
TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 72 TO 81. SOUTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
CLEAR. LOWS 46 TO 56. SOUTHEAST WINDS UP TO
10 MPH.
MONDAY
SUNNY. HIGHS 73 TO 82. SOUTH WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 48 TO 58. VARIABLE LESS THAN 5 MPH.
TUESDAY
SUNNY. HIGHS 77 TO 87. SOUTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 51 TO 61. VARIABLE LESS THAN 5 MPH.
...SIERRA NEVADA FOOTHILLS
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 64. SOUTHEAST WINDS UP
TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 78 TO 84. SOUTHWEST WINDS 5 TO
15 MPH.
SUNDAY NIGHT
CLEAR. LOWS 55 TO 60. SOUTHEAST WINDS UP TO
10 MPH.
MONDAY
SUNNY. HIGHS 80 TO 85. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 57 TO 62. VARIABLE LESS THAN 5 MPH.
TUESDAY
SUNNY. HIGHS 84 TO 89. VARIABLE LESS THAN 5 MPH.
TUESDAY NIGHT
CLEAR. LOWS 60 TO 65. VARIABLE LESS THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 65. SOUTHWEST WINDS
10 TO 20 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 83 TO 88. SOUTHWEST WINDS 10 TO
20 MPH.
SUNDAY NIGHT
CLEAR. LOWS 55 TO 60. SOUTH WINDS 5 TO 15 MPH.
MONDAY
SUNNY. HIGHS 85 TO 90. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 55 TO 60. SOUTHWEST WINDS UP TO
10 MPH.
TUESDAY
SUNNY. HIGHS 88 TO 93. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 62. SOUTHWEST WINDS UP TO
10 MPH.
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