908
FNUS56 KSTO 092123
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
223 PM PDT MON MAR 9 2026
DISCUSSION
DRY WEATHER AND ABOVE-NORMAL TEMPERATURES CONTINUE THROUGH THIS
WEEK, WITH SLIGHTLY COOLER TEMPERATURES ON TUESDAY. DAYTIME HIGHS
CLIMB TO WELL-ABOVE NORMAL WEDNESDAY ONWARD WITH RELATIVE
HUMIDITIES TRENDING LOWER.
CAZ213-102300-
EASTERN PORTION OF SHASTA-TRINITY NF-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........42-47 LOWER ELEVATIONS...EXCEPT 34-41
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........54-69 PERCENT.
* 24 HR TREND..........17 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 53-62
HIGHER ELEVATIONS.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........21-28 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 7 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........41-46 LOWER ELEVATIONS...EXCEPT 34-42
HIGHER ELEVATIONS.
* MAX HUMIDITY...........53-68 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........69-74 LOWER ELEVATIONS...EXCEPT 59-67
HIGHER ELEVATIONS.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ214-102300-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........31-36.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........70-82 PERCENT.
* 24 HR TREND..........20 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........57-62 LOWER ELEVATIONS...EXCEPT 52-57
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........20-26 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING NORTHWEST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........29-34.
* MAX HUMIDITY...........73-88 PERCENT LOWER ELEVATIONS...EXCEPT
58-73 PERCENT HIGH ELEVATIONS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 9 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 59-64
HIGHER ELEVATIONS.
* MIN HUMIDITY...........22-35 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING WEST UP
TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-102300-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........44-49.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........57-72 PERCENT.
* 24 HR TREND..........21 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........67-72.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........20-29 PERCENT.
* 24 HR TREND..........12 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........42-47.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........74-79.
* MIN HUMIDITY...........23-35 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-102300-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........69-84 PERCENT.
* 24 HR TREND..........16 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........68-73.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........28-37 PERCENT.
* 24 HR TREND..........13 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* MAX HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........NORTHWEST 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........73-78.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-102300-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........46-51.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........81-96 PERCENT.
* 24 HR TREND..........6 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........70-75.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........32-43 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* MAX HUMIDITY...........62-77 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........74-79.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........2000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-102300-
CARQUINEZ STRAIT AND DELTA-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........46-51.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........85-90 PERCENT.
* 24 HR TREND..........9 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........70-75.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........37-42 PERCENT.
* 24 HR TREND..........13 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* MAX HUMIDITY...........69-84 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........75-80.
* MIN HUMIDITY...........34-49 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........2200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-102300-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........46-51.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-97 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........68-73.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........39-49 PERCENT.
* 24 HR TREND..........9 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* MAX HUMIDITY...........60-75 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........73-78.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-102300-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........44-49 LOWER ELEVATIONS...EXCEPT 37-45
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........34-49 PERCENT.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 51-60
HIGHER ELEVATIONS.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........12-23 PERCENT.
* 24 HR TREND..........16 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........44-49 LOWER ELEVATIONS...EXCEPT 39-45
HIGHER ELEVATIONS.
* MAX HUMIDITY...........43-58 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 13 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........71-76 LOWER ELEVATIONS...EXCEPT 58-66
HIGHER ELEVATIONS.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........2900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-102300-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........44-50.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........56-71 PERCENT.
* 24 HR TREND..........7 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........61-66.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........24-35 PERCENT.
* 24 HR TREND..........13 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3000 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........43-49.
* MAX HUMIDITY...........46-61 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........68-73.
* MIN HUMIDITY...........27-42 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 11 MPH SHIFTING TO THE
WEST UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
WEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-102300-
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-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........80-95 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 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............MOSTLY SUNNY.
* MAX TEMPERATURE........64-69.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........39-51 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST 4 TO
9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING WEST 4
TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........45-50.
* MAX HUMIDITY...........67-82 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........69-74.
* MIN HUMIDITY...........29-44 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST UP
TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT..........2400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ268-102300-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........31-41.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........60-75 PERCENT...EXCEPT 74-89 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........12 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TUESDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........54-59 LOWER ELEVATIONS...EXCEPT 47-55
HIGHER ELEVATIONS.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........23-36 PERCENT.
* 24 HR TREND..........10 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 8 TO 14 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 8 TO 14 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3700 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........30-40.
* MAX HUMIDITY...........53-68 PERCENT...EXCEPT 70-85 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH WITH LOCAL GUSTS UP
TO 20 MPH SHIFTING TO THE NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH SHIFTING TO THE NORTH
UP TO 8 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........59-65 LOWER ELEVATIONS...EXCEPT 53-61
HIGHER ELEVATIONS.
* MIN HUMIDITY...........24-39 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
WEST 6 TO 12 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ221-269-102300-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
223 PM PDT MON MAR 9 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........41-47 LOWER ELEVATIONS...EXCEPT 29-39
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-87 PERCENT.
* 24 HR TREND..........13 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........300 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........59-64 LOWER ELEVATIONS...EXCEPT 47-57
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........33-44 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST 5 TO
11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........40-48 LOWER ELEVATIONS...EXCEPT 30-40
HIGHER ELEVATIONS.
* MAX HUMIDITY...........68-83 PERCENT LOWER ELEVATIONS...EXCEPT
56-71 PERCENT HIGH ELEVATIONS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH SHIFTING TO THE EAST UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
WEDNESDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........65-71 LOWER ELEVATIONS...EXCEPT 53-63
HIGHER ELEVATIONS.
* MIN HUMIDITY...........24-39 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST UP
TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH SHIFTING TO THE WEST
4 TO 10 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 65 TO 75. WEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
CLEAR. LOWS 41 TO 51. NORTHWEST WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 65 TO 75. NORTHWEST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49. WEST WINDS UP TO
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 66 TO 76. NORTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 52. NORTHWEST WINDS
UP TO 10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49. NORTHEAST WINDS
UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 67 TO 77. WEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
CLEAR. LOWS 41 TO 51. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY
SUNNY. HIGHS 68 TO 77. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. VARIABLE LESS THAN
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 68 TO 78. VARIABLE LESS THAN
5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 53. VARIABLE LESS
THAN 5 MPH.
...SIERRA NEVADA FOOTHILLS
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 53. NORTHEAST WINDS
UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 75 TO 80. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
CLEAR. LOWS 49 TO 55. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY
SUNNY. HIGHS 75 TO 80. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 54. VARIABLE LESS THAN
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 76 TO 81. NORTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 57. VARIABLE LESS
THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 53. NORTHWEST WINDS
UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 80 TO 85. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
CLEAR. LOWS 50 TO 55. NORTHWEST WINDS UP TO
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 80 TO 85. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 54. VARIABLE LESS THAN
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS 82 TO 87. NORTHWEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 57. VARIABLE LESS
THAN 5 MPH.
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