064
FNUS56 KSTO 131941
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
1241 PM PDT SAT SEP 13 2025
DISCUSSION
A QUICK MOVING SYSTEM WILL BRING SLIGHT CHANCE (5-10% CHANCE) OF
WETTING RAINS TO THE COASTAL RANGE AND NORTHERN SHASTA COUNTY
EARLY SUNDAY MORNING BUT OVERALL IMPACTS WILL BE NORTH AND WEST
OF OUR AREA. OTHERWISE, WARMING AND DRYING TREND EXPECTED, MORE
EARNESTLY SUNDAY INTO MONDAY WITH ABOVE NORMAL TEMPERATURES AND
BREEZY NORTH WINDS SUNDAY NIGHT INTO MONDAY.
CAZ213-141945-
EASTERN PORTION OF SHASTA-TRINITY NF-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........56-61 LOWER ELEVATIONS...EXCEPT 47-57
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........73-88 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.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......4 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88 LOWER ELEVATIONS...EXCEPT 73-82
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........28-36 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6600 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-63 LOWER ELEVATIONS...EXCEPT 47-57
HIGHER ELEVATIONS.
* MAX HUMIDITY...........52-67 PERCENT LOWER ELEVATIONS...EXCEPT
64-79 PERCENT HIGH ELEVATIONS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING NORTH 5
TO 11 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........90-95 LOWER ELEVATIONS...EXCEPT 79-89
HIGHER ELEVATIONS.
* MIN HUMIDITY...........14-26 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........6300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ214-141945-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........45-50.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-100 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 8 MPH WITH LOCAL GUSTS
UP TO 20 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......3 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........75-80 LOWER ELEVATIONS...EXCEPT 70-75
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........31-36 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....WEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6800 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........42-47.
* MAX HUMIDITY...........74-89 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 7 MPH WITH LOCAL GUSTS
UP TO 20 MPH SHIFTING TO THE EAST UP TO 8 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........83-88 LOWER ELEVATIONS...EXCEPT 77-82
HIGHER ELEVATIONS.
* MIN HUMIDITY...........18-29 PERCENT.
* 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.
* MIXING HEIGHT..........6100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-141945-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........60-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-86 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........85-90.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........29-35 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........60-65.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96.
* MIN HUMIDITY...........15-28 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 20 MPH.
* MIXING HEIGHT..........5800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-141945-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........84-99 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........35-46 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........EAST WINDS UP TO 8 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-63.
* MAX HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-94.
* MIN HUMIDITY...........21-36 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 4 TO 10 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-141945-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........83-95 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS 5 TO 11 MPH WITH LOCAL GUSTS
UP TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........86-91.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........32-37 PERCENT.
* 24 HR TREND..........6 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-64.
* MAX HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96.
* MIN HUMIDITY...........17-31 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* MIXING HEIGHT..........5000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-141945-
CARQUINEZ STRAIT AND DELTA-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........86-91 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 8 TO 14 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........85-90.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........38-44 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-64.
* MAX HUMIDITY...........65-80 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-95.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-141945-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........78-93 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.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........85-90.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........34-40 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 8 TO 14 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-64.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-94.
* MIN HUMIDITY...........19-34 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........4800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-141945-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........61-66 LOWER ELEVATIONS...EXCEPT 51-58
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........56-68 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........82-87 LOWER ELEVATIONS...EXCEPT 67-77
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........30-35 PERCENT LOWER ELEVATIONS...EXCEPT
36-46 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........4 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..........5400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........63-68 LOWER ELEVATIONS...EXCEPT 54-62
HIGHER ELEVATIONS.
* MAX HUMIDITY...........47-62 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........88-93 LOWER ELEVATIONS...EXCEPT 73-83
HIGHER ELEVATIONS.
* MIN HUMIDITY...........22-37 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH SHIFTING TO THE
NORTHEAST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-141945-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........57-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........67-82 PERCENT.
* 24 HR TREND..........12 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........81-86 LOWER ELEVATIONS...EXCEPT 76-81
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........32-38 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-65.
* MAX HUMIDITY...........46-61 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING
NORTHEAST 5 TO 11 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING
NORTHEAST 4 TO 10 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........84-90.
* MIN HUMIDITY...........21-36 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 9 TO 15 MPH SHIFTING TO THE
WEST UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH SHIFTING TO THE
WEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-141945-
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-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-86 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
EAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST 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.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........80-85.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........32-37 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST 4 TO
10 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........59-64.
* MAX HUMIDITY...........49-64 PERCENT.
* 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 UP TO 8 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........86-91.
* MIN HUMIDITY...........19-31 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........5300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-141945-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........44-54.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........80-95 PERCENT...EXCEPT 95-100 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........12 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........70-77 LOWER ELEVATIONS...EXCEPT 63-71
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........31-44 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5100 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........44-54.
* MAX HUMIDITY...........62-77 PERCENT...EXCEPT 76-91 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHEAST 5 TO 11 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 8 MPH SHIFTING TO THE
NORTHEAST 5 TO 11 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........77-83 LOWER ELEVATIONS...EXCEPT 70-78
HIGHER ELEVATIONS.
* MIN HUMIDITY...........21-36 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........5600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ221-269-141945-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
1241 PM PDT SAT SEP 13 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........51-59 LOWER ELEVATIONS...EXCEPT 40-50
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........77-92 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........76-81 LOWER ELEVATIONS...EXCEPT 64-74
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........29-38 PERCENT.
* 24 HR TREND..........6 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........54-62 LOWER ELEVATIONS...EXCEPT 43-53
HIGHER ELEVATIONS.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
NORTHEAST 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH SHIFTING TO THE EAST
5 TO 11 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........81-87 LOWER ELEVATIONS...EXCEPT 68-78
HIGHER ELEVATIONS.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 5 TO 11 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 7 TO 13 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
MONDAY NIGHT
CLEAR. LOWS 51 TO 61. NORTH WINDS 5 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 79 TO 89. SOUTHEAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 52 TO 62. WEST WINDS UP TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 79 TO 89. VARIABLE LESS THAN 5 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 52 TO 62. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS 77 TO 87. EAST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61. NORTHWEST WINDS UP
TO 10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
MONDAY NIGHT
CLEAR. LOWS 51 TO 61. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
SUNNY. HIGHS 81 TO 89. SOUTH WINDS 5 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 52 TO 62. EAST WINDS UP TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 81 TO 90. VARIABLE LESS THAN 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62. VARIABLE LESS
THAN 5 MPH.
THURSDAY
SUNNY. HIGHS 79 TO 88. SOUTH WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61. VARIABLE LESS THAN
5 MPH.
...SIERRA NEVADA FOOTHILLS
MONDAY NIGHT
CLEAR. LOWS 61 TO 67. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
SUNNY. HIGHS 88 TO 94. SOUTHWEST WINDS 5 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 63 TO 69. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
SUNNY. HIGHS 88 TO 94. VARIABLE LESS THAN 5 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 62 TO 68. VARIABLE LESS THAN
5 MPH.
THURSDAY
SUNNY. HIGHS 87 TO 92. VARIABLE LESS THAN 5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 66. VARIABLE LESS THAN
5 MPH.
...CENTRAL VALLEY AND DELTA
MONDAY NIGHT
CLEAR. LOWS 59 TO 65. NORTHWEST WINDS UP TO
10 MPH.
TUESDAY
SUNNY. HIGHS 94 TO 99. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 60 TO 65. WEST WINDS 5 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 94 TO 99. NORTHWEST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 60 TO 65. VARIABLE LESS THAN
5 MPH.
THURSDAY
SUNNY. HIGHS 91 TO 96. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 65. VARIABLE LESS THAN
5 MPH.
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