932
FNUS56 KSTO 262050
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
150 PM PDT SUN OCT 26 2025
DISCUSSION
A WEATHER SYSTEM CONTINUES TO BRING SCATTERED SHOWERS, LIGHT HIGH
ELEVATION MOUNTAIN SNOW, AND GUSTY WINDS THROUGH THIS EVENING.
DRY AND WARMER WEATHER RETURNS MONDAY AND CONTINUES THROUGH THE
REST OF THE WEEK, WITH OFFSHORE FLOW BRINGING PERIODS OF BREEZY NORTH
TO EAST WINDS, STRONGEST ON MONDAY.
CAZ213-272100-
EASTERN PORTION OF SHASTA-TRINITY NF-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. AREAS OF FROST
AFTER MIDNIGHT.
* MIN TEMPERATURE........36-42 LOWER ELEVATIONS...EXCEPT 27-36
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........84-99 PERCENT.
* 24 HR TREND..........7 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING NORTH UP
TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR....................10 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......4 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY. WIDESPREAD FROST IN THE
MORNING.
* MAX TEMPERATURE........62-67 LOWER ELEVATIONS...EXCEPT 51-60
HIGHER ELEVATIONS.
* 24 HR TREND..........11 DEGREES WARMER.
* MIN HUMIDITY...........34-46 PERCENT.
* 24 HR TREND..........49 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........44-50 LOWER ELEVATIONS...EXCEPT 35-45
HIGHER ELEVATIONS.
* MAX HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........72-77 LOWER ELEVATIONS...EXCEPT 61-71
HIGHER ELEVATIONS.
* MIN HUMIDITY...........34-49 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE MORNING.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........2600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ214-272100-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT.
* MIN TEMPERATURE........25-30.
* 24 HR TREND..........7 DEGREES COOLER.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH WITH LOCAL GUSTS
UP TO 20 MPH SHIFTING TO THE EAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH WITH LOCAL GUSTS
UP TO 25 MPH SHIFTING TO THE NORTHEAST UP TO 8 MPH AFTER
MIDNIGHT.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........1300 FT AGL.
* CHANCE OF THUNDER......5 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY. WIDESPREAD FROST IN THE
MORNING.
* MAX TEMPERATURE........52-57.
* 24 HR TREND..........9 DEGREES WARMER.
* MIN HUMIDITY...........44-49 PERCENT.
* 24 HR TREND..........47 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..........2700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR. AREAS OF FROST IN THE LATE EVENING
AND EARLY MORNING. WIDESPREAD FROST EARLY IN THE MORNING.
* MIN TEMPERATURE........28-34.
* MAX HUMIDITY...........69-84 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING EAST 4
TO 9 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY. WIDESPREAD FROST EARLY IN THE
MORNING. AREAS OF FROST LATE IN THE MORNING.
* MAX TEMPERATURE........66-71 LOWER ELEVATIONS...EXCEPT 61-66
HIGHER ELEVATIONS.
* MIN HUMIDITY...........34-46 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........2700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-272100-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
* MIN TEMPERATURE........41-46.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........86-100 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................10 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......8 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........66-71.
* 24 HR TREND..........10 DEGREES WARMER.
* MIN HUMIDITY...........33-45 PERCENT.
* 24 HR TREND..........53 PERCENT DOWN.
* 20-FOOT WINDS..........NORTH WINDS 8 TO 14 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........46-51.
* MAX HUMIDITY...........49-64 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 5 TO 11 MPH WITH LOCAL GUSTS
UP TO 20 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........74-79.
* MIN HUMIDITY...........30-45 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE MORNING.
* MIXING HEIGHT..........2300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-272100-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.
* MIN TEMPERATURE........44-49.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........93-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........EAST WINDS 7 TO 13 MPH SHIFTING TO THE
NORTHWEST 6 TO 12 MPH AFTER MIDNIGHT. LOCAL GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......6 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........67-72.
* 24 HR TREND..........7 DEGREES WARMER.
* MIN HUMIDITY...........33-48 PERCENT.
* 24 HR TREND..........49 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 8 TO 14 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........46-52.
* MAX HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........73-78.
* MIN HUMIDITY...........32-47 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE MORNING.
* MIXING HEIGHT..........2000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-272100-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN
CLEARING.
* MIN TEMPERATURE........47-52.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........90-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS 5 TO 11 MPH SHIFTING TO THE
NORTHWEST 8 TO 14 MPH AFTER MIDNIGHT. LOCAL GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........68-73.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........31-46 PERCENT.
* 24 HR TREND..........42 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH WITH LOCAL
GUSTS UP TO 25 MPH...EXCEPT NORTHWEST 9 TO 15 MPH WITH LOCAL
GUSTS UP TO 30 MPH WEST OF THE SACRAMENTO RIVER.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........45-51.
* MAX HUMIDITY...........54-69 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........72-77.
* MIN HUMIDITY...........32-47 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE MORNING.
* MIXING HEIGHT..........2000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-272100-
CARQUINEZ STRAIT AND DELTA-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........47-52.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-96 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 6 TO 12 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........69-74.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........31-41 PERCENT.
* 24 HR TREND..........40 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 12 TO 18 MPH WITH LOCAL
GUSTS UP TO 35 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........47-52.
* MAX HUMIDITY...........51-66 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........72-77.
* MIN HUMIDITY...........32-47 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 4 TO 10 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-272100-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........48-53.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........89-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........68-73.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........36-51 PERCENT.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 10 TO 17 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........46-51.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........71-76.
* MIN HUMIDITY...........30-45 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........1900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-272100-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........41-46 LOWER ELEVATIONS...EXCEPT 32-40
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........69-82 PERCENT.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......5 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........65-70 LOWER ELEVATIONS...EXCEPT 52-60
HIGHER ELEVATIONS.
* 24 HR TREND..........10 DEGREES WARMER.
* MIN HUMIDITY...........31-38 PERCENT.
* 24 HR TREND..........37 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55 LOWER ELEVATIONS...EXCEPT 44-50
HIGHER ELEVATIONS.
* MAX HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........74-79 LOWER ELEVATIONS...EXCEPT 61-69
HIGHER ELEVATIONS.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 6 TO 12 MPH SHIFTING TO THE
NORTHEAST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-272100-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
* MIN TEMPERATURE........39-47.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 11 MPH WITH LOCAL GUSTS
UP TO 25 MPH SHIFTING TO THE NORTHEAST UP TO 8 MPH AFTER
MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 10 MPH WITH LOCAL GUSTS
UP TO 25 MPH SHIFTING TO THE NORTHEAST UP TO 8 MPH AFTER
MIDNIGHT.
* CWR....................30 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......9 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........61-66.
* 24 HR TREND..........11 DEGREES WARMER.
* MIN HUMIDITY...........45-54 PERCENT.
* 24 HR TREND..........45 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........47-53.
* MAX HUMIDITY...........50-65 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........69-74.
* MIN HUMIDITY...........37-52 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 10 TO 16 MPH BECOMING
NORTHWEST UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........1900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-272100-
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-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
* MIN TEMPERATURE........43-48.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........93-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 8 MPH WITH LOCAL GUSTS UP
TO 20 MPH SHIFTING TO THE NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH WITH LOCAL GUSTS UP
TO 20 MPH IN THE EVENING BECOMING VARIABLE UP TO 5 MPH.
* CWR....................10 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........64-69.
* 24 HR TREND..........9 DEGREES WARMER.
* MIN HUMIDITY...........51-60 PERCENT.
* 24 HR TREND..........33 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........47-52.
* MAX HUMIDITY...........57-72 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........71-76.
* MIN HUMIDITY...........32-47 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 10 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-272100-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. AT LOWER ELEVATIONS, PATCHY
DENSE FOG AND FROST AFTER MIDNIGHT. AT HIGHER ELEVATIONS,
WIDESPREAD FROST AFTER MIDNIGHT.
* MIN TEMPERATURE........27-37.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 30 MPH SHIFTING TO THE EAST 4 TO 10 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
* CWR....................20 PERCENT.
* MIXING HEIGHT..........900 FT AGL.
* CHANCE OF THUNDER......7 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY. WIDESPREAD FROST AND AREAS
OF DENSE FOG IN THE MORNING.
* MAX TEMPERATURE........54-60 LOWER ELEVATIONS...EXCEPT 48-55
HIGHER ELEVATIONS.
* 24 HR TREND..........12 DEGREES WARMER.
* MIN HUMIDITY...........44-55 PERCENT.
* 24 HR TREND..........45 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR. AREAS OF FROST AFTER MIDNIGHT.
WIDESPREAD FROST EARLY IN THE MORNING.
* MIN TEMPERATURE........32-42.
* MAX HUMIDITY...........62-77 PERCENT...EXCEPT 78-93 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY. WIDESPREAD FROST EARLY IN THE
MORNING.
* MAX TEMPERATURE........61-67 LOWER ELEVATIONS...EXCEPT 56-62
HIGHER ELEVATIONS.
* MIN HUMIDITY...........36-51 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 8 TO 14 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ221-269-272100-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
150 PM PDT SUN OCT 26 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. AREAS OF FOG IN
THE EVENING. AREAS OF FROST AFTER MIDNIGHT.
* MIN TEMPERATURE........38-44 LOWER ELEVATIONS...EXCEPT 27-36
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........85-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 7 TO 13 MPH SHIFTING TO THE EAST
UP TO 8 MPH AFTER MIDNIGHT. LOCAL GUSTS UP TO 25 MPH IN THE
EVENING.
* RIDGES/UPR SLOPES....SOUTH WINDS 11 TO 17 MPH WITH LOCAL GUSTS UP
TO 40 MPH.
* CWR....................10 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY. AREAS OF DENSE FOG IN THE
MORNING.
* MAX TEMPERATURE........63-68 LOWER ELEVATIONS...EXCEPT 53-63
HIGHER ELEVATIONS.
* 24 HR TREND..........14 DEGREES WARMER.
* MIN HUMIDITY...........31-46 PERCENT.
* 24 HR TREND..........47 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH SHIFTING TO THE WEST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 5 TO 11 MPH SHIFTING TO THE WEST
UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........46-52 LOWER ELEVATIONS...EXCEPT 35-45
HIGHER ELEVATIONS.
* MAX HUMIDITY...........53-68 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 8 TO 14 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........69-75 LOWER ELEVATIONS...EXCEPT 58-68
HIGHER ELEVATIONS.
* MIN HUMIDITY...........29-44 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 9 TO 15 MPH SHIFTING TO THE SOUTH
UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
TUESDAY NIGHT
CLEAR. LOWS 40 TO 50. NORTH WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 64 TO 74. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 51. NORTH WINDS 5 TO
15 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 62 TO 71. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. VARIABLE LESS THAN
5 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS 64 TO 73. VARIABLE LESS THAN
5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52. VARIABLE LESS THAN
5 MPH.
...NORTHERN SIERRA AND LASSEN PARK
TUESDAY NIGHT
CLEAR. LOWS 40 TO 50. EAST WINDS 5 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 68 TO 78. NORTHEAST WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 51. NORTHEAST WINDS
5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 65 TO 75. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. VARIABLE LESS THAN
5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 67 TO 76. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 53. VARIABLE LESS THAN
5 MPH.
...SIERRA NEVADA FOOTHILLS
TUESDAY NIGHT
CLEAR. LOWS 50 TO 56. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
SUNNY. HIGHS 74 TO 79. NORTH WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 51 TO 56. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 71 TO 77. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 56. VARIABLE LESS THAN
5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 73 TO 78. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 57. VARIABLE LESS THAN
5 MPH.
...CENTRAL VALLEY AND DELTA
TUESDAY NIGHT
CLEAR. LOWS 49 TO 54. NORTH WINDS UP TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 78 TO 83. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 55. NORTH WINDS UP TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 75 TO 80. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 54. VARIABLE LESS THAN
5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 76 TO 81. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 55. VARIABLE LESS THAN
5 MPH.
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