269
FNUS56 KSTO 012123
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
122 PM PST MON DEC 1 2025
DISCUSSION
DRY CONDITIONS AND COOL TO SEASONABLE TEMPERATURES EXPECTED
THROUGH THIS WEEK. BREEZY NORTH TO EAST WINDS ARE EXPECTED
WEDNESDAY THROUGH THURSDAY MORNING. A WEAK SYSTEM BRUSHING BY THE
AREA THIS WEEKEND MAY BRING LIGHT SHOWERS TO SHASTA COUNTY AND
THE NORTHERN SIERRA BUT MINIMIAL ACCUMULATIONS AND IMPACTS
EXPECTED.
CAZ213-030000-
EASTERN PORTION OF SHASTA-TRINITY NF-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........39-45 LOWER ELEVATIONS...EXCEPT 31-41
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........62-77 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........60-65 LOWER ELEVATIONS...EXCEPT 51-59
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........47-55 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. WIDESPREAD FROST EARLY IN
THE MORNING.
* MIN TEMPERATURE........38-44 LOWER ELEVATIONS...EXCEPT 28-38
HIGHER ELEVATIONS.
* MAX HUMIDITY...........68-83 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 7 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. WIDESPREAD FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........56-61 LOWER ELEVATIONS...EXCEPT 45-53
HIGHER ELEVATIONS.
* MIN HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE MORNING.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE MORNING.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ214-030000-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WIDESPREAD FROST AFTER MIDNIGHT.
* MIN TEMPERATURE........26-31.
* 24 HR TREND..........4 DEGREES WARMER.
* MAX HUMIDITY...........82-88 PERCENT LOWER ELEVATIONS...EXCEPT
64-79 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING
PARTLY CLOUDY. WIDESPREAD FROST IN THE MORNING.
* MAX TEMPERATURE........50-55.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........45-51 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST EARLY IN THE
EVENING, THEN WIDESPREAD FROST IN THE LATE EVENING AND OVERNIGHT.
* MIN TEMPERATURE........21-26.
* MAX HUMIDITY...........77-92 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. WIDESPREAD FROST IN THE MORNING.
* MAX TEMPERATURE........44-49.
* MIN HUMIDITY...........41-56 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING NORTHEAST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........2800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-030000-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........39-44.
* 24 HR TREND..........6 DEGREES WARMER.
* MAX HUMIDITY...........75-90 PERCENT.
* 24 HR TREND..........12 PERCENT UP.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
NORTHWEST UP TO 6 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........60-65.
* 24 HR TREND..........9 DEGREES WARMER.
* MIN HUMIDITY...........52-59 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........41-46.
* MAX HUMIDITY...........72-87 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY.
* MAX TEMPERATURE........59-64.
* MIN HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* MIXING HEIGHT..........2300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-030000-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG.
* MIN TEMPERATURE........39-44.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........81-96 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........58-63.
* 24 HR TREND..........8 DEGREES WARMER.
* MIN HUMIDITY...........52-67 PERCENT.
* 24 HR TREND..........9 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 6 MPH SHIFTING TO
THE SOUTH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........40-45.
* MAX HUMIDITY...........72-87 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 6 TO 12 MPH. LOCAL GUSTS UP TO
25 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING PARTLY
CLOUDY.
* MAX TEMPERATURE........58-63.
* MIN HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 10 TO 16 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-030000-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE........39-44.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........85-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........58-63.
* 24 HR TREND..........7 DEGREES WARMER.
* MIN HUMIDITY...........58-73 PERCENT.
* 24 HR TREND..........9 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 6 MPH SHIFTING TO
THE SOUTH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........39-44.
* MAX HUMIDITY...........71-86 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
NORTH 4 TO 10 MPH WITH LOCAL GUSTS UP TO 20 MPH AFTER MIDNIGHT.
WEST OF THE SACRAMENTO RIVER, NORTHEAST WINDS UP TO 7 MPH
INCREASING TO NORTH 12 TO 18 MPH WITH LOCAL GUSTS UP TO 35 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........58-63.
* MIN HUMIDITY...........44-59 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 25 MPH...EXCEPT NORTH 8 TO 14 MPH WITH LOCAL GUSTS UP TO 35
MPH WEST OF THE SACRAMENTO RIVER.
* MIXING HEIGHT..........1900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-030000-
CARQUINEZ STRAIT AND DELTA-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE........39-44.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-96 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........59-64.
* 24 HR TREND..........8 DEGREES WARMER.
* MIN HUMIDITY...........59-72 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........EAST WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........39-44.
* MAX HUMIDITY...........75-90 PERCENT.
* 20-FOOT WINDS..........EAST WINDS UP TO 6 MPH INCREASING TO NORTH
9 TO 15 MPH WITH LOCAL GUSTS UP TO 30 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........59-64.
* MIN HUMIDITY...........42-57 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS 11 TO 17 MPH. LOCAL GUSTS UP
TO 35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-030000-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE........39-44.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........86-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY SUNNY. PATCHY DENSE FOG IN THE MORNING.
* MAX TEMPERATURE........58-63.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........64-79 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........38-43.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE NORTHWEST 5 TO 11 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........54-59.
* MIN HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-030000-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........41-46.
* 24 HR TREND..........4 DEGREES WARMER.
* MAX HUMIDITY...........46-60 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING
NORTHWEST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........61-66 LOWER ELEVATIONS...EXCEPT 52-59
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........40-50 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 7 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........42-47 LOWER ELEVATIONS...EXCEPT 34-40
HIGHER ELEVATIONS.
* MAX HUMIDITY...........52-67 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 15 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING PARTLY
CLOUDY.
* MAX TEMPERATURE........58-63 LOWER ELEVATIONS...EXCEPT 45-53
HIGHER ELEVATIONS.
* MIN HUMIDITY...........31-46 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 8 TO 14 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-030000-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........41-47.
* 24 HR TREND..........6 DEGREES WARMER.
* MAX HUMIDITY...........53-68 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING
NORTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........57-62.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........46-58 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........38-43.
* MAX HUMIDITY...........62-77 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH INCREASING TO 10
TO 16 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON THEN
BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE........54-59.
* MIN HUMIDITY...........37-52 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 11 TO 17 MPH SHIFTING TO THE
NORTH 4 TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE MORNING.
* MIXING HEIGHT..........2200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-030000-
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-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE........41-46.
* 24 HR TREND..........7 DEGREES WARMER.
* MAX HUMIDITY...........73-85 PERCENT LOWER ELEVATIONS...EXCEPT
60-74 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........58-69 PERCENT LOWER ELEVATIONS...EXCEPT
47-58 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........38-43.
* MAX HUMIDITY...........74-89 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH BECOMING
NORTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........55-60.
* MIN HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHWEST UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........2300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-030000-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........30-40.
* 24 HR TREND..........5 DEGREES WARMER.
* MAX HUMIDITY...........54-69 PERCENT...EXCEPT 78-86 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY IN THE MORNING THEN BECOMING
PARTLY CLOUDY. WIDESPREAD FROST IN THE MORNING.
* MAX TEMPERATURE........52-57 LOWER ELEVATIONS...EXCEPT 46-53
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........40-50 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST EARLY IN THE
EVENING. WIDESPREAD FROST IN THE LATE EVENING AND OVERNIGHT.
* MIN TEMPERATURE........24-34.
* MAX HUMIDITY...........65-80 PERCENT...EXCEPT 82-97 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 10 TO 16 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY UNTIL LATE AFTERNOON THEN
BECOMING PARTLY CLOUDY. WIDESPREAD FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........43-49 LOWER ELEVATIONS...EXCEPT 37-45
HIGHER ELEVATIONS.
* MIN HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 8 TO 14 MPH WITH LOCAL GUSTS
UP TO 30 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ221-269-030000-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
123 PM PST MON DEC 1 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE........39-45 LOWER ELEVATIONS...EXCEPT 29-39
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES WARMER.
* MAX HUMIDITY...........51-66 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........55-60 LOWER ELEVATIONS...EXCEPT 46-55
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........39-48 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH SHIFTING TO THE WEST
UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. WIDESPREAD FROST UNTIL EARLY
MORNING.
* MIN TEMPERATURE........35-41 LOWER ELEVATIONS...EXCEPT 23-33
HIGHER ELEVATIONS.
* MAX HUMIDITY...........66-81 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 10 TO 16 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 6 TO 12 MPH INCREASING TO
NORTHEAST 14 TO 20 MPH WITH LOCAL GUSTS UP TO 30 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........51-57 LOWER ELEVATIONS...EXCEPT 35-45
HIGHER ELEVATIONS.
* MIN HUMIDITY...........35-50 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 9 TO 15 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 16 TO 22 MPH BECOMING NORTHEAST 8
TO 14 MPH IN THE AFTERNOON. LOCAL GUSTS UP TO 35 MPH.
* MIXING HEIGHT..........2400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 29 TO 39. NORTH WINDS 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 48 TO 57. NORTH WINDS 5 TO
15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 44. NORTHWEST WINDS UP
TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 52 TO 60. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 35 TO 44. VARIABLE LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
46 TO 55. VARIABLE LESS THAN 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 33 TO 43. VARIABLE LESS THAN 5 MPH.
...NORTHERN SIERRA AND LASSEN PARK
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 28 TO 38. NORTHEAST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 50 TO 58. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 43. NORTHEAST WINDS UP
TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 54 TO 62. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 44. VARIABLE LESS THAN
5 MPH.
SATURDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
50 TO 59. VARIABLE LESS THAN 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 33 TO 43. VARIABLE LESS THAN 5 MPH.
...SIERRA NEVADA FOOTHILLS
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 42. EAST WINDS 5 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 55 TO 60. NORTH WINDS 5 TO
15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45. NORTHEAST WINDS UP
TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 57 TO 62. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46. VARIABLE LESS THAN
5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 56 TO 61. VARIABLE LESS THAN
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 41 TO 46. VARIABLE LESS THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 42. NORTHEAST WINDS
5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 56 TO 61. NORTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 44. VARIABLE LESS THAN
5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 58 TO 63. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 46. VARIABLE LESS THAN
5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 58 TO 63. VARIABLE LESS THAN
5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47. VARIABLE LESS THAN
5 MPH.
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