118
FNUS56 KSTO 261758
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
958 AM PST FRI DEC 26 2025
DISCUSSION
WAVES OF MODERATE TO LOCALLY HEAVY PRECIPITATION WILL CONTINUE TO
MOVE THROUGH THE REGION ON FRIDAY. SCATTERED THUNDERSTORMS WILL
ALSO BE POSSIBLE THROUGH THE EVENING. GUSTY SOUTH WINDS REMAIN IN
THE FORECAST, ALTHOUGH WINDS ARE NOT FORECAST TO BE AS STRONG AS
THE LAST FEW DAYS EXCEPT IN THE HIGHER ELEVATIONS. HEAVY MOUNTAIN
SNOW WILL CONTINUE TODAY, WITH SNOW LEVELS AROUND 4500-5500 FEET
IN THE SIERRA, AND 3500-4500 FEET IN THE COASTAL RANGE AND
PORTIONS OF THE SOUTHERN CASCADES. GRADUAL CLEARING BY SATURDAY
AFTERNOON, AS HIGH PRESSURE WILL BUILD INTO THE AREA AND HELP DRY
OUT OUR WEATHER PATTERN.
CAZ213-270100-
EASTERN PORTION OF SHASTA-TRINITY NF-
958 AM PST FRI DEC 26 2025
TODAY
* SKY/WEATHER............RAIN AT LOWER ELEVATIONS....AND RAIN AND
SNOW AT HIGHER ELEVATIONS.
* MAX TEMPERATURE........45-50 LOWER ELEVATIONS...EXCEPT 36-43
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........84-96 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 13 TO 19 MPH WITH LOCAL GUSTS UP
TO 40 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 13 TO 19 MPH WITH LOCAL GUSTS UP
TO 40 MPH.
* CWR....................90 PERCENT.
* MIXING HEIGHT..........2700 FT AGL.
* CHANCE OF THUNDER......4 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. AT LOWER ELEVATIONS, A
CHANCE OF RAIN IN THE EVENING, THEN A SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. AT HIGHER ELEVATIONS, A CHANCE OF RAIN AND SNOW.
* MIN TEMPERATURE........34-39 LOWER ELEVATIONS...EXCEPT 24-33
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........89-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.
* CWR....................50 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING. AT LOWER ELEVATIONS, A CHANCE OF RAIN AND SNOW EARLY IN
THE MORNING, THEN A SLIGHT CHANCE OF RAIN IN THE LATE MORNING AND
EARLY AFTERNOON. AT HIGHER ELEVATIONS, A CHANCE OF RAIN AND SNOW
EARLY IN THE MORNING, THEN A SLIGHT CHANCE OF RAIN AND SNOW IN
THE LATE MORNING AND EARLY AFTERNOON.
* MAX TEMPERATURE........46-51 LOWER ELEVATIONS...EXCEPT 36-44
HIGHER ELEVATIONS.
* MIN HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........3000 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ214-270100-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
958 AM PST FRI DEC 26 2025
TODAY
* SKY/WEATHER............AT LOWER ELEVATIONS, RAIN AND SNOW LIKELY
IN THE MORNING, THEN RAIN IN THE AFTERNOON. AT HIGHER ELEVATIONS,
A CHANCE OF RAIN AND SNOW IN THE MORNING, THEN RAIN AND SNOW IN
THE AFTERNOON. SNOW LEVEL 4500 FEET IN THE AFTERNOON.
* MAX TEMPERATURE........42-47 LOWER ELEVATIONS...EXCEPT 36-41
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........77-86 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 15 TO 21 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* RIDGES/UPR SLOPES....BREEZY. SOUTHWEST WINDS 15 TO 21 MPH WITH
LOCAL GUSTS UP TO 40 MPH.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........2900 FT AGL.
* CHANCE OF THUNDER......4 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW
IN THE EVENING, THEN A SLIGHT CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT.
* MIN TEMPERATURE........23-28.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 8 TO 14 MPH.
* CWR....................30 PERCENT.
* MIXING HEIGHT..........1000 FT AGL.
* CHANCE OF THUNDER......4 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY WITH A CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON.
* MAX TEMPERATURE........39-44 LOWER ELEVATIONS...EXCEPT 34-39
HIGHER ELEVATIONS.
* MIN HUMIDITY...........65-75 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* MIXING HEIGHT..........2700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-270100-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............RAIN.
* MAX TEMPERATURE........47-52.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........93-99 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 15 TO 21 MPH WITH LOCAL GUSTS
UP TO 45 MPH.
* CWR....................60 PERCENT.
* MIXING HEIGHT..........2800 FT AGL.
* CHANCE OF THUNDER......8 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING, THEN A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE........36-41.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS 8 TO 14 MPH WITH LOCAL
GUSTS UP TO 25 MPH SHIFTING TO THE NORTHWEST UP TO 8 MPH AFTER
MIDNIGHT.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON.
* MAX TEMPERATURE........47-52.
* MIN HUMIDITY...........68-83 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-270100-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............A CHANCE OF RAIN IN THE MORNING, THEN RAIN
IN THE AFTERNOON.
* MAX TEMPERATURE........49-54.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........88-98 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........BREEZY. SOUTHEAST WINDS 14 TO 26 MPH WITH
LOCAL GUSTS UP TO 40 MPH.
* CWR....................50 PERCENT.
* MIXING HEIGHT..........2700 FT AGL.
* CHANCE OF THUNDER......11 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING, THEN A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE........37-45.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS 7 TO 13 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE EVENING.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......7 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON.
* MAX TEMPERATURE........47-52.
* MIN HUMIDITY...........69-84 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........2600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-270100-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........85-93 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........BREEZY. SOUTH WINDS 16 TO 22 MPH WITH
LOCAL GUSTS UP TO 35 MPH.
* CWR....................40 PERCENT.
* MIXING HEIGHT..........3300 FT AGL.
* CHANCE OF THUNDER......12 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING, THEN A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE........42-47.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......8 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
EARLY IN THE MORNING, THEN PARTLY CLOUDY IN THE LATE MORNING AND
AFTERNOON.
* MAX TEMPERATURE........48-53.
* MIN HUMIDITY...........70-85 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........2800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-270100-
CARQUINEZ STRAIT AND DELTA-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF RAIN.
* MAX TEMPERATURE........54-59.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........76-87 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........BREEZY. SOUTHEAST WINDS 15 TO 27 MPH WITH
LOCAL GUSTS UP TO 40 MPH SHIFTING TO THE SOUTH 13 TO 19 MPH WITH
LOCAL GUSTS UP TO 30 MPH IN THE AFTERNOON.
* CWR....................30 PERCENT.
* MIXING HEIGHT..........3600 FT AGL.
* CHANCE OF THUNDER......11 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
* MIN TEMPERATURE........43-48.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........94-99 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................10 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......6 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING PARTLY
CLOUDY.
* MAX TEMPERATURE........50-55.
* MIN HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-270100-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF RAIN.
* MAX TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........73-85 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........BREEZY. SOUTHEAST WINDS 13 TO 25 MPH
SHIFTING TO THE SOUTH 11 TO 17 MPH IN THE AFTERNOON. LOCAL GUSTS
UP TO 35 MPH.
* CWR....................30 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......11 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. A CHANCE OF RAIN IN THE
EVENING, THEN A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE........41-46.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS 8 TO 14 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......12 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........48-53.
* MIN HUMIDITY...........74-89 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-270100-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
958 AM PST FRI DEC 26 2025
TODAY
* SKY/WEATHER............AT LOWER ELEVATIONS, RAIN. AT HIGHER
ELEVATIONS, RAIN AND SNOW...HEAVY AT TIMES IN THE MORNING, THEN
RAIN AND SNOW LIKELY IN THE AFTERNOON. SNOW LEVEL 4500 FEET IN
THE MORNING.
* MAX TEMPERATURE........46-51 LOWER ELEVATIONS...EXCEPT 34-42
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........77-88 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 11 TO 17 MPH WITH LOCAL
GUSTS UP TO 35 MPH.
* RIDGES/UPR SLOPES....BREEZY. SOUTH WINDS 17 TO 29 MPH SHIFTING TO
THE SOUTHWEST 15 TO 21 MPH IN THE AFTERNOON. LOCAL GUSTS UP TO
45 MPH.
* CWR....................90 PERCENT.
* MIXING HEIGHT..........2100 FT AGL.
* CHANCE OF THUNDER......8 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. AT LOWER ELEVATIONS, A CHANCE OF RAIN IN THE
EVENING. AT HIGHER ELEVATIONS, A CHANCE OF RAIN AND SNOW IN THE
EVENING.
* MIN TEMPERATURE........34-39 LOWER ELEVATIONS...EXCEPT 25-33
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........87-100 PERCENT LOWER ELEVATIONS...EXCEPT
79-88 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........47-52 LOWER ELEVATIONS...EXCEPT 35-43
HIGHER ELEVATIONS.
* MIN HUMIDITY...........52-67 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........2200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-270100-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............A CHANCE OF RAIN IN THE MORNING, THEN RAIN
IN THE AFTERNOON.
* MAX TEMPERATURE........44-49.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........85-97 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WINDY. SOUTH WINDS 20 TO 32 MPH DECREASING
TO 13 TO 19 MPH IN THE AFTERNOON. LOCAL GUSTS UP TO 45 MPH.
* RIDGES/UPR SLOPES....BREEZY. SOUTH WINDS 16 TO 28 MPH DECREASING
TO 11 TO 17 MPH IN THE AFTERNOON. LOCAL GUSTS UP TO 45 MPH.
* CWR....................70 PERCENT.
* MIXING HEIGHT..........2800 FT AGL.
* CHANCE OF THUNDER......10 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF RAIN.
* MIN TEMPERATURE........36-41.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........94-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 7 TO 13 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE EVENING.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE EVENING.
* CWR....................50 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......5 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY. AT HIGHER
ELEVATIONS, A CHANCE OF SNOW EARLY IN THE MORNING. A CHANCE OF
RAIN IN THE MORNING. A SLIGHT CHANCE OF RAIN EARLY IN THE
AFTERNOON.
* MAX TEMPERATURE........44-49.
* MIN HUMIDITY...........62-77 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
NORTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-270100-
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-
958 AM PST FRI DEC 26 2025
..WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING
TODAY
* SKY/WEATHER............RAIN LIKELY IN THE MORNING, THEN SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE........45-50.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........90-97 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 11 TO 17 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 11 TO 17 MPH.
* CWR....................70 PERCENT.
* MIXING HEIGHT..........2800 FT AGL.
* CHANCE OF THUNDER......12 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF RAIN.
* MIN TEMPERATURE........36-41.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH.
* CWR....................50 PERCENT.
* MIXING HEIGHT..........900 FT AGL.
* CHANCE OF THUNDER......13 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY. AT LOWER
ELEVATIONS, A CHANCE OF RAIN IN THE MORNING. AT HIGHER
ELEVATIONS, A CHANCE OF RAIN EARLY IN THE MORNING, THEN A SLIGHT
CHANCE OF RAIN IN THE LATE MORNING AND EARLY AFTERNOON.
* MAX TEMPERATURE........46-51.
* MIN HUMIDITY...........74-89 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING NORTHWEST
UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
NORTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3100 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-270100-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
958 AM PST FRI DEC 26 2025
TODAY
* SKY/WEATHER............A CHANCE OF RAIN AND SNOW LIKELY IN THE
MORNING, THEN SNOW...HEAVY AT TIMES AND RAIN IN THE AFTERNOON.
SNOW LEVEL 4000 FEET INCREASING TO 4500 FEET IN THE AFTERNOON.
* MAX TEMPERATURE........35-40 LOWER ELEVATIONS...EXCEPT 29-34
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........84-95 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...BREEZY. SOUTH WINDS 16 TO 28 MPH DECREASING
TO 13 TO 19 MPH IN THE AFTERNOON. LOCAL GUSTS UP TO 45 MPH.
* RIDGES/UPR SLOPES....WINDY. SOUTHWEST WINDS 19 TO 31 MPH. LOCAL
GUSTS UP TO 50 MPH DECREASING TO 35 MPH IN THE AFTERNOON.
* CWR....................80 PERCENT.
* MIXING HEIGHT..........3000 FT AGL.
* CHANCE OF THUNDER......8 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE
EVENING, THEN A CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. SNOW
LEVEL 4500 FEET IN THE EVENING.
* MIN TEMPERATURE........21-31.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........93-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 16 MPH. LOCAL GUSTS UP
TO 30 MPH IN THE EVENING.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................60 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......6 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SNOW IN THE
MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
EARLY IN THE AFTERNOON. MOSTLY SUNNY LATE IN THE AFTERNOON.
* MAX TEMPERATURE........36-41 LOWER ELEVATIONS...EXCEPT 30-36
HIGHER ELEVATIONS.
* MIN HUMIDITY...........64-79 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING NORTH UP
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ221-269-270100-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
958 AM PST FRI DEC 26 2025
TODAY
* SKY/WEATHER............SNOW...HEAVY AT TIMES AND RAIN. SNOW LEVEL
4500 FEET.
* MAX TEMPERATURE........39-44 LOWER ELEVATIONS...EXCEPT 27-36
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........79-93 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 12 TO 18 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
* RIDGES/UPR SLOPES....WINDY. SOUTHWEST WINDS 22 TO 34 MPH WITH
LOCAL GUSTS UP TO 55 MPH DECREASING TO 16 TO 22 MPH WITH LOCAL
GUSTS UP TO 40 MPH IN THE AFTERNOON.
* CWR....................90 PERCENT.
* MIXING HEIGHT..........2600 FT AGL.
* CHANCE OF THUNDER......11 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE
EVENING, THEN A CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. SNOW
LEVEL 4500 FEET.
* MIN TEMPERATURE........31-36 LOWER ELEVATIONS...EXCEPT 16-26
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........86-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 10 TO 16 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 10 TO 16 MPH WITH LOCAL GUSTS UP
TO 35 MPH.
* CWR....................50 PERCENT.
* MIXING HEIGHT..........900 FT AGL.
* CHANCE OF THUNDER......10 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF RAIN AND
SNOW IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF
RAIN AND SNOW EARLY IN THE AFTERNOON. MOSTLY SUNNY LATE IN THE
AFTERNOON.
* MAX TEMPERATURE........42-47 LOWER ELEVATIONS...EXCEPT 30-38
HIGHER ELEVATIONS.
* MIN HUMIDITY...........64-79 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
NORTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 22 TO 32. NORTH WINDS 5 TO
15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 41 TO 51. NORTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
CLEAR. LOWS 24 TO 34. NORTH WINDS 5 TO 15 MPH.
MONDAY
SUNNY. HIGHS 45 TO 55. NORTH WINDS 5 TO 15 MPH.
MONDAY NIGHT
CLEAR. LOWS 28 TO 38. NORTH WINDS UP TO 10 MPH.
TUESDAY
SUNNY. HIGHS 47 TO 56. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 29 TO 39. VARIABLE LESS THAN 5 MPH.
...NORTHERN SIERRA AND LASSEN PARK
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 20 TO 30. NORTHEAST WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 41 TO 51. NORTHEAST WINDS 10 TO
20 MPH.
SUNDAY NIGHT
CLEAR. LOWS 22 TO 32. NORTHEAST WINDS 10 TO
20 MPH.
MONDAY
SUNNY. HIGHS 44 TO 54. NORTHEAST WINDS 5 TO 15 MPH.
MONDAY NIGHT
CLEAR. LOWS 24 TO 34. NORTHEAST WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS 48 TO 58. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 27 TO 37. NORTHEAST WINDS UP TO
10 MPH.
...SIERRA NEVADA FOOTHILLS
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 31 TO 36. NORTHEAST WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 48 TO 53. NORTHEAST WINDS 10 TO
20 MPH.
SUNDAY NIGHT
CLEAR. LOWS 34 TO 39. NORTHEAST WINDS 5 TO
15 MPH.
MONDAY
SUNNY. HIGHS 51 TO 56. NORTHEAST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 34 TO 39. VARIABLE LESS THAN 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 53 TO 59. VARIABLE LESS THAN
5 MPH.
TUESDAY NIGHT
CLEAR. LOWS 36 TO 41. VARIABLE LESS THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 41. NORTHWEST WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 47 TO 52. NORTH WINDS 5 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. NORTH WINDS UP TO
10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS 48 TO 53. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 40. VARIABLE LESS THAN
5 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS 49 TO 54. VARIABLE LESS THAN
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 41. VARIABLE LESS THAN
5 MPH.
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