756
FNUS56 KSTO 141920
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
1220 PM PDT SUN SEP 14 2025
DISCUSSION
CONDITIONS WARM AND DRY AFTER TODAY WITH DAYTIME HUMIDITIES
LOWERING INTO THE UPPER TEENS TO 20S ACROSS MUCH OF THE
SACRAMENTO VALLEY AND ABOVE NORMAL TEMPERATURES. WEAK NORTHERLY
FLOW BEGINS THIS EVENING WITH STRONGEST WINDS ALONG THE WESTERN
HALF OF THE VALLEY ON MONDAY.
CAZ213-151930-
EASTERN PORTION OF SHASTA-TRINITY NF-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........57-62 LOWER ELEVATIONS...EXCEPT 45-55
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........56-71 PERCENT.
* 24 HR TREND..........16 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........90-95 LOWER ELEVATIONS...EXCEPT 80-89
HIGHER ELEVATIONS.
* 24 HR TREND..........8 DEGREES WARMER.
* MIN HUMIDITY...........14-19 PERCENT.
* 24 HR TREND..........14 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........60-66 LOWER ELEVATIONS...EXCEPT 51-61
HIGHER ELEVATIONS.
* MAX HUMIDITY...........40-55 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING NORTH UP
TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING NORTH 4
TO 9 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96 LOWER ELEVATIONS...EXCEPT 80-90
HIGHER ELEVATIONS.
* MIN HUMIDITY...........13-25 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTH UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ214-151930-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........40-45.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........82-92 PERCENT LOWER ELEVATIONS...EXCEPT
67-82 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........12 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........83-88 LOWER ELEVATIONS...EXCEPT 77-82
HIGHER ELEVATIONS.
* 24 HR TREND..........7 DEGREES WARMER.
* MIN HUMIDITY...........17-22 PERCENT.
* 24 HR TREND..........12 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........44-50.
* MAX HUMIDITY...........46-61 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..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........86-91 LOWER ELEVATIONS...EXCEPT 79-85
HIGHER ELEVATIONS.
* MIN HUMIDITY...........17-23 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....SOUTHEAST WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-151930-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........60-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........53-67 PERCENT.
* 24 HR TREND..........17 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 8 MPH SHIFTING TO
THE NORTH 5 TO 11 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........16-21 PERCENT.
* 24 HR TREND..........13 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE MORNING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........62-67.
* MAX HUMIDITY...........41-56 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........93-98.
* MIN HUMIDITY...........14-25 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH SHIFTING TO THE
SOUTH UP TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-151930-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........65-80 PERCENT.
* 24 HR TREND..........17 PERCENT DOWN.
* 20-FOOT WINDS..........EAST WINDS UP TO 7 MPH SHIFTING TO THE
NORTH UP TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........90-95.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........23-29 PERCENT.
* 24 HR TREND..........15 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE MORNING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-65.
* MAX HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH SHIFTING TO THE
NORTH UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96.
* MIN HUMIDITY...........19-34 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-151930-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........68-83 PERCENT.
* 24 HR TREND..........10 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........91-96.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE MORNING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-67.
* MAX HUMIDITY...........47-62 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 6 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........94-99.
* MIN HUMIDITY...........16-28 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 7 MPH.
* MIXING HEIGHT..........5500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-151930-
CARQUINEZ STRAIT AND DELTA-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........84-91 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST 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.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........91-96.
* 24 HR TREND..........7 DEGREES WARMER.
* MIN HUMIDITY...........22-27 PERCENT.
* 24 HR TREND..........18 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE MORNING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-66.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........WEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........92-98.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........4900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-151930-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........70-85 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST 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.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........90-95.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........23-28 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........63-69.
* MAX HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........94-99.
* MIN HUMIDITY...........16-28 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........5900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-151930-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........62-67 LOWER ELEVATIONS...EXCEPT 52-61
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........49-61 PERCENT.
* 24 HR TREND..........7 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........88-93 LOWER ELEVATIONS...EXCEPT 73-83
HIGHER ELEVATIONS.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........20-29 PERCENT.
* 24 HR TREND..........13 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH SHIFTING TO THE
EAST UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH SHIFTING TO THE EAST
UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........65-70 LOWER ELEVATIONS...EXCEPT 59-65
HIGHER ELEVATIONS.
* MAX HUMIDITY...........30-45 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING WEST UP
TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING WEST UP
TO 8 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........90-95 LOWER ELEVATIONS...EXCEPT 75-85
HIGHER ELEVATIONS.
* MIN HUMIDITY...........19-34 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
EAST IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHEAST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-151930-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........44-56 PERCENT.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........84-90.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 9 TO 15 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.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........63-69.
* MAX HUMIDITY...........32-47 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING EAST 5
TO 11 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING EAST 4
TO 9 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........86-92.
* MIN HUMIDITY...........16-31 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 9 TO 15 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 6 TO 12 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........5900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-151930-
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-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........51-60 PERCENT.
* 24 HR TREND..........22 PERCENT DOWN.
* 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.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........86-91.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........21-26 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........62-68.
* MAX HUMIDITY...........37-52 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING
NORTHEAST 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING EAST UP
TO 8 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........88-94.
* MIN HUMIDITY...........15-25 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 4 TO 9 MPH SHIFTING TO THE WEST
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..........6600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-151930-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........43-53.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........56-71 PERCENT...EXCEPT 78-93 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........22 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHEAST 6 TO 12 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH SHIFTING TO THE
NORTHEAST 6 TO 12 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........77-84 LOWER ELEVATIONS...EXCEPT 71-78
HIGHER ELEVATIONS.
* 24 HR TREND..........7 DEGREES WARMER.
* MIN HUMIDITY...........19-27 PERCENT.
* 24 HR TREND..........14 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 8 TO 14 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 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........48-58.
* MAX HUMIDITY...........44-59 PERCENT...EXCEPT 59-74 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING EAST 4
TO 10 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING EAST 5
TO 11 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........79-85 LOWER ELEVATIONS...EXCEPT 72-80
HIGHER ELEVATIONS.
* MIN HUMIDITY...........17-32 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 6 TO 12 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 7 TO 13 MPH SHIFTING TO THE SOUTH
UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ221-269-151930-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
1220 PM PDT SUN SEP 14 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........52-60 LOWER ELEVATIONS...EXCEPT 41-51
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........51-66 PERCENT.
* 24 HR TREND..........22 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........81-87 LOWER ELEVATIONS...EXCEPT 69-79
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........21-27 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4800 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-66 LOWER ELEVATIONS...EXCEPT 47-57
HIGHER ELEVATIONS.
* MAX HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 7 MPH SHIFTING TO THE EAST
5 TO 11 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........84-90 LOWER ELEVATIONS...EXCEPT 70-80
HIGHER ELEVATIONS.
* MIN HUMIDITY...........18-33 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 5 TO 11 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
TUESDAY NIGHT
CLEAR. LOWS 53 TO 63. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. SOUTH WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 64. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 88. SOUTHEAST WINDS UP TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 54 TO 64. VARIABLE LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
73 TO 83. SOUTHEAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 52 TO 62. VARIABLE LESS THAN 5 MPH.
...NORTHERN SIERRA AND LASSEN PARK
TUESDAY NIGHT
CLEAR. LOWS 53 TO 63. NORTHEAST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 82 TO 91. WEST WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. NORTHEAST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 86. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 53 TO 63. VARIABLE LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS 74 TO 83.
VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 51 TO 61. VARIABLE LESS THAN 5 MPH.
...SIERRA NEVADA FOOTHILLS
TUESDAY NIGHT
CLEAR. LOWS 63 TO 69. NORTHEAST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 89 TO 95. WEST WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 69. NORTHEAST WINDS
UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 84 TO 89. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 63 TO 68. VARIABLE LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
82 TO 87. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 61 TO 66. VARIABLE LESS THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
TUESDAY NIGHT
CLEAR. LOWS 61 TO 66. WEST WINDS 5 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 95 TO 100. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 67. SOUTHWEST WINDS
5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 88 TO 93. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 62 TO 67. VARIABLE LESS THAN 5 MPH.
FRIDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
86 TO 91. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 61 TO 66. SOUTHWEST WINDS UP TO 10 MPH.
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