750
FNUS56 KSTO 092012
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
112 PM PDT FRI MAY 9 2025
DISCUSSION
...GUSTY SOUTHERLY WINDS WITH CONTINUED DRY CONDITIONS BRING
ELEVATED FIRE WEATHER POTENTIAL TO PORTIONS OF THE VALLEY ON
SUNDAY...
DRY AND SUNNY CONDITIONS EXPECTED TO CONTINUE THROUGH AT LEAST
SATURDAY, WITH UNSEASONABLY WARM HIGH TEMPERATURES. DAYTIME
HUMIDITY VALUES EXPECTED TO FALL INTO THE MID-UPPER TEENS, LOW
TWENTIES ON SATURDAY, THEN AN APPROACHING WEATHER SYSTEM WILL
INTRODUCE GUSTY SOUTHERLY WINDS BEGINNING SUNDAY THROUGH MONDAY.
WITH CONTINUED DRYING AND GUSTY WINDS, PERIODS OF ELEVATED FIRE
WEATHER POTENTIAL WILL EXIST IN THE VALLEY ON SUNDAY. MONDAY AND
TUESDAY, THE WEATHER SYSTEM WILL BRING CHANCES FOR RAIN SHOWERS,
HIGH-ELEVATION MOUNTAIN SNOW SHOWERS, AND ISOLATED THUNDERSTORMS
TO THE AREA. BEST CHANCES FOR VALLEY RAIN NORTH OF I-80, HIGHEST
T-STORM POTENTIAL IN THE NORTHERN SACRAMENTO VALLEY, FOOTHILLS,
AND MOUNTAINS. BEHIND THE SYSTEM ON WEDNESDAY, BREEZY NORTH WINDS
WILL DEVELOP ACROSS THE REGION.
CAZ213-102015-
EASTERN PORTION OF SHASTA-TRINITY NF-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........57-62 LOWER ELEVATIONS...EXCEPT 49-57
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........44-56 PERCENT.
* 24 HR TREND..........17 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....SOUTHWEST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89 LOWER ELEVATIONS...EXCEPT 73-82
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........17-22 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
4 TO 9 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...1 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
LATE IN THE EVENING THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE........52-57 LOWER ELEVATIONS...EXCEPT 45-51
HIGHER ELEVATIONS.
* MAX HUMIDITY...........48-63 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO 25
MPH IN THE EVENING.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON THEN
BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE........71-76 LOWER ELEVATIONS...EXCEPT 58-68
HIGHER ELEVATIONS.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTH 9 TO 15 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH INCREASING TO 14
TO 20 MPH WITH LOCAL GUSTS UP TO 35 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...1 PERCENT.
CAZ214-102015-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........46-52.
* 24 HR TREND..........5 DEGREES WARMER.
* MAX HUMIDITY...........45-58 PERCENT.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 8 MPH WITH LOCAL GUSTS UP
TO 20 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........79-84 LOWER ELEVATIONS...EXCEPT 73-78
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........14-19 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
7 TO 13 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 7 TO 13 MPH. LOCAL GUSTS UP
TO 30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........43-51.
* MAX HUMIDITY...........45-58 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE EVENING.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP
TO 30 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........66-71 LOWER ELEVATIONS...EXCEPT 59-65
HIGHER ELEVATIONS.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 7 MPH INCREASING TO 12
TO 18 MPH WITH LOCAL GUSTS UP TO 35 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....BREEZY. SOUTHWEST WINDS 6 TO 12 MPH
INCREASING TO 13 TO 25 MPH WITH LOCAL GUSTS UP TO 40 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...1 PERCENT.
CAZ215-102015-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........44-55 PERCENT.
* 24 HR TREND..........25 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH SHIFTING TO THE
NORTH UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........89-94.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........12-17 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTH 5 TO 11 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY
AFTER MIDNIGHT THEN BECOMING MOSTLY CLEAR.
* MIN TEMPERATURE........55-60.
* MAX HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 4 TO 10 MPH. LOCAL GUSTS UP TO
20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........77-83.
* MIN HUMIDITY...........18-26 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH INCREASING TO 11
TO 17 MPH WITH LOCAL GUSTS UP TO 35 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ216-102015-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........45-60 PERCENT.
* 24 HR TREND..........28 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........90-95.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........12-17 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH SHIFTING TO
THE SOUTH 6 TO 12 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-60.
* MAX HUMIDITY...........42-57 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 9 TO 15 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........76-82.
* MIN HUMIDITY...........20-35 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 10 TO 16 MPH. LOCAL GUSTS UP
TO 20 MPH INCREASING TO 30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ217-102015-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........52-66 PERCENT.
* 24 HR TREND..........21 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........91-96.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........15-20 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* MAX HUMIDITY...........46-61 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........74-80.
* MIN HUMIDITY...........27-42 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 9 TO 15 MPH. LOCAL GUSTS
UP TO 30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ218-102015-
CARQUINEZ STRAIT AND DELTA-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........56-70 PERCENT.
* 24 HR TREND..........19 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-92.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-29 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........69-77.
* MIN HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 12 TO 18 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ219-102015-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........58-64.
* 24 HR TREND..........4 DEGREES WARMER.
* MAX HUMIDITY...........41-56 PERCENT.
* 24 HR TREND..........26 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........90-95.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........14-19 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........54-59.
* MAX HUMIDITY...........43-58 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 9 TO 15 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........77-83.
* MIN HUMIDITY...........23-34 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 9 TO 15 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ263-279-102015-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........59-64 LOWER ELEVATIONS...EXCEPT 51-59
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........30-41 PERCENT.
* 24 HR TREND..........25 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........85-90 LOWER ELEVATIONS...EXCEPT 69-79
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........17-22 PERCENT.
* 24 HR TREND..........6 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHEAST 5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE........54-59 LOWER ELEVATIONS...EXCEPT 43-51
HIGHER ELEVATIONS.
* MAX HUMIDITY...........40-55 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 11 TO 17 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 11 TO 17 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........72-77 LOWER ELEVATIONS...EXCEPT 53-63
HIGHER ELEVATIONS.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 12 TO 18 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 13 TO 19 MPH. LOCAL GUSTS UP
TO 35 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ266-102015-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........59-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........34-43 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89 LOWER ELEVATIONS...EXCEPT 79-84
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........14-19 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-60.
* MAX HUMIDITY...........40-54 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE EVENING.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........72-77 LOWER ELEVATIONS...EXCEPT 66-72
HIGHER ELEVATIONS.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 12 TO 18 MPH. LOCAL GUSTS UP TO
35 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 12 TO 18 MPH. LOCAL GUSTS UP TO
35 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...1 PERCENT.
CAZ220-267-102015-
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-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........58-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........45-53 PERCENT.
* 24 HR TREND..........17 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........82-91.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-24 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 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....SOUTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...1 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........53-59.
* MAX HUMIDITY...........48-63 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 SHIFTING TO THE
SOUTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........69-78.
* MIN HUMIDITY...........25-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7 TO 13 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 7 TO 13 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ268-102015-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........46-56 LOWER ELEVATIONS...EXCEPT 42-51
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........37-50 PERCENT...EXCEPT 54-66 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........14 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........72-79 LOWER ELEVATIONS...EXCEPT 64-72
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........17-25 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 10 TO 16 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........44-50 LOWER ELEVATIONS...EXCEPT 38-46
HIGHER ELEVATIONS.
* MAX HUMIDITY...........46-61 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 8 TO 14 MPH. LOCAL GUSTS UP TO
25 MPH IN THE EVENING.
* RIDGES/UPR SLOPES....SOUTH WINDS 8 TO 14 MPH. LOCAL GUSTS UP TO
30 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........59-65 LOWER ELEVATIONS...EXCEPT 51-59
HIGHER ELEVATIONS.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...BREEZY. SOUTH WINDS 7 TO 13 MPH INCREASING
TO SOUTHWEST 13 TO 25 MPH WITH LOCAL GUSTS UP TO 40 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES....WINDY. SOUTH WINDS 10 TO 16 MPH INCREASING
TO SOUTHWEST 18 TO 30 MPH WITH LOCAL GUSTS UP TO 45 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ221-269-102015-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
112 PM PDT FRI MAY 9 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-61 LOWER ELEVATIONS...EXCEPT 43-53
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........44-59 PERCENT.
* 24 HR TREND..........18 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH SHIFTING TO THE EAST
UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........77-83 LOWER ELEVATIONS...EXCEPT 65-75
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-31 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 16 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 35 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...3 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........51-56 LOWER ELEVATIONS...EXCEPT 40-48
HIGHER ELEVATIONS.
* MAX HUMIDITY...........48-63 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 6 TO 12 MPH SHIFTING TO THE
SOUTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 35 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...1 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........64-70 LOWER ELEVATIONS...EXCEPT 52-62
HIGHER ELEVATIONS.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 9 TO 15 MPH. LOCAL GUSTS UP TO
30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WINDY. SOUTH WINDS 14 TO 20 MPH WITH LOCAL
GUSTS UP TO 35 MPH SHIFTING TO THE SOUTHWEST 18 TO 30 MPH WITH
LOCAL GUSTS UP TO 55 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
SNOW SHOWERS. LOWS 35 TO 43. SOUTHWEST WINDS 13 TO 23 MPH.
MONDAY
SHOWERS. HIGHS 44 TO 52. SOUTHWEST WINDS 8 TO 18 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 35 TO 42. WEST WINDS 5 TO 15 MPH.
TUESDAY
NOT AS COOL. PARTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 53 TO 62. NORTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 44. NORTHWEST WINDS UP
TO 13 MPH.
WEDNESDAY
WARMER. MOSTLY SUNNY. HIGHS 60 TO 69. NORTH WINDS UP
TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 48. NORTHWEST WINDS
UP TO 13 MPH.
...NORTHERN SIERRA AND LASSEN PARK
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 36 TO 43. SOUTH WINDS 13 TO 23 MPH.
MONDAY
SHOWERS. HIGHS 46 TO 56. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
34 TO 41. SOUTH WINDS UP TO 13 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 50 TO 58. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 41. VARIABLE LESS THAN
5 MPH.
WEDNESDAY
WARMER. MOSTLY SUNNY. HIGHS 58 TO 66. NORTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 46. NORTHEAST WINDS
UP TO 10 MPH.
...SIERRA NEVADA FOOTHILLS
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
43 TO 48. SOUTH WINDS 8 TO 18 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS 54 TO 63.
SOUTH WINDS 8 TO 18 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 41 TO 46. SOUTHEAST WINDS UP TO 10 MPH.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 58 TO 66. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 48. VARIABLE LESS THAN
5 MPH.
WEDNESDAY
WARMER, SUNNY. HIGHS 67 TO 74. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 47 TO 52. VARIABLE LESS THAN
5 MPH.
...CENTRAL VALLEY AND DELTA
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 48 TO 53. SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS 66 TO 71.
SOUTHWEST WINDS 10 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 52. WEST WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 71 TO 76. NORTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 53. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 78 TO 83. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 55. WEST WINDS 5 TO 10 MPH.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page