489
FNUS56 KSTO 171926
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
1226 PM PDT MON MAR 17 2025
DISCUSSION
CONTINUED ACTIVE WEATHER THROUGH TONIGHT WITH SCATTERED
THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS THE VALLEY AND
ADJACENT FOOTHILLS. ADDITIONAL WEAK SYSTEMS THROUGH THE WORK WEEK WITH
PERIODS OF MODERATE PRECIPITATION AND BREEZY WINDS WITH BREAKS OF
DRY WEATHER IN BETWEEN WAVES.
CAZ213-181930-
EASTERN PORTION OF SHASTA-TRINITY NF-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST IN THE
EVENING. WIDESPREAD FROST AFTER MIDNIGHT.
* MIN TEMPERATURE........29-34 LOWER ELEVATIONS...EXCEPT 20-28
HIGHER ELEVATIONS.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........73-88 PERCENT.
* 24 HR TREND..........15 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...8 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY. WIDESPREAD FROST IN THE
MORNING.
* MAX TEMPERATURE........54-59 LOWER ELEVATIONS...EXCEPT 42-51
HIGHER ELEVATIONS.
* 24 HR TREND..........6 DEGREES WARMER.
* MIN HUMIDITY...........34-41 PERCENT LOWER ELEVATIONS...EXCEPT
41-53 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER
MIDNIGHT. WIDESPREAD FROST EARLY IN THE MORNING.
* MIN TEMPERATURE........34-39 LOWER ELEVATIONS...EXCEPT 26-34
HIGHER ELEVATIONS.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY CLOUDY. WIDESPREAD FROST EARLY IN
THE MORNING.
* MAX TEMPERATURE........49-54 LOWER ELEVATIONS...EXCEPT 39-47
HIGHER ELEVATIONS.
* MIN HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTH 6
TO 12 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 7 MPH INCREASING TO SOUTH
10 TO 16 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ214-181930-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. AT LOWER ELEVATIONS, A
CHANCE OF SHOWERS IN THE EVENING. AT HIGHER ELEVATIONS, A CHANCE
OF SNOW SHOWERS IN THE EVENING.
* MIN TEMPERATURE........17-26.
* 24 HR TREND..........10 DEGREES COOLER.
* MAX HUMIDITY...........85-97 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST 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.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...7 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........46-51 LOWER ELEVATIONS...EXCEPT 40-45
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........38-46 PERCENT.
* 24 HR TREND..........28 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........23-30.
* MAX HUMIDITY...........74-89 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........48-53 LOWER ELEVATIONS...EXCEPT 43-48
HIGHER ELEVATIONS.
* MIN HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
4 TO 10 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 7 MPH INCREASING TO
SOUTHWEST 10 TO 16 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ215-181930-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY WITH A CHANCE OF SHOWERS IN
THE EVENING, THEN CLEAR AFTER MIDNIGHT. AREAS OF FROST AFTER
MIDNIGHT.
* MIN TEMPERATURE........32-37.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........77-90 PERCENT.
* 24 HR TREND..........9 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...10 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY. AREAS OF FROST IN THE
MORNING.
* MAX TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........31-36 PERCENT.
* 24 HR TREND..........28 PERCENT DOWN.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST EARLY IN THE
MORNING.
* MIN TEMPERATURE........36-41.
* MAX HUMIDITY...........71-86 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. AREAS OF FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........55-60.
* MIN HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH INCREASING TO
SOUTH 9 TO 15 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ216-181930-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING.
* MIN TEMPERATURE........33-38.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........80-94 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER...11 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY. AREAS OF FROST IN THE
MORNING.
* MAX TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........35-42 PERCENT.
* 24 HR TREND..........25 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........36-41.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........NORTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY EARLY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. AREAS OF FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........57-62.
* MIN HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH INCREASING TO
SOUTH 10 TO 16 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ217-181930-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE........37-42.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........85-99 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER...15 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........38-47 PERCENT.
* 24 HR TREND..........24 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FROST EARLY IN THE
MORNING.
* MIN TEMPERATURE........37-42.
* MAX HUMIDITY...........74-89 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 7 MPH SHIFTING TO
THE SOUTH UP TO 6 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY EARLY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. PATCHY FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........58-63.
* MIN HUMIDITY...........47-62 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ218-181930-
CARQUINEZ STRAIT AND DELTA-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR. A CHANCE OF SHOWERS IN THE
EVENING.
* MIN TEMPERATURE........37-42.
* 24 HR TREND..........10 DEGREES COOLER.
* MAX HUMIDITY...........81-88 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........WEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...11 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........60-65.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........38-44 PERCENT.
* 24 HR TREND..........22 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FROST EARLY IN THE
MORNING.
* MIN TEMPERATURE........36-41.
* MAX HUMIDITY...........77-92 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY EARLY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. PATCHY FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........59-64.
* MIN HUMIDITY...........48-63 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ219-181930-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY AFTER MIDNIGHT.
* MIN TEMPERATURE........39-44.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........83-98 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 10 TO 16 MPH WITH LOCAL GUSTS
UP TO 30 MPH.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER...15 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........39-51 PERCENT.
* 24 HR TREND..........20 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FROST EARLY IN THE
MORNING.
* MIN TEMPERATURE........36-41.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. PATCHY FROST EARLY IN THE MORNING.
* MAX TEMPERATURE........61-66.
* MIN HUMIDITY...........42-57 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ263-279-181930-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........32-37 LOWER ELEVATIONS...EXCEPT 21-29
HIGHER ELEVATIONS.
* 24 HR TREND..........6 DEGREES COOLER.
* MAX HUMIDITY...........62-77 PERCENT.
* 24 HR TREND..........17 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 11 TO 17 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 11 TO 17 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...8 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........54-59 LOWER ELEVATIONS...EXCEPT 38-48
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........37-42 PERCENT LOWER ELEVATIONS...EXCEPT
44-55 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........14 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 4 TO 9 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........36-41 LOWER ELEVATIONS...EXCEPT 28-34
HIGHER ELEVATIONS.
* MAX HUMIDITY...........66-81 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........51-56 LOWER ELEVATIONS...EXCEPT 38-46
HIGHER ELEVATIONS.
* MIN HUMIDITY...........49-64 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
7 TO 13 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH INCREASING TO 13 TO
19 MPH WITH LOCAL GUSTS UP TO 35 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ266-181930-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. AREAS OF FROST AFTER MIDNIGHT.
* MIN TEMPERATURE........28-36.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........78-87 PERCENT.
* 24 HR TREND..........9 PERCENT DOWN.
* 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....................10 PERCENT.
* CHANCE OF THUNDER...11 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY. WIDESPREAD FROST IN THE
MORNING.
* MAX TEMPERATURE........53-58 LOWER ELEVATIONS...EXCEPT 48-53
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........35-49 PERCENT.
* 24 HR TREND..........30 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 8 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........33-41.
* MAX HUMIDITY...........65-80 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING EAST UP
TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE........48-56.
* MIN HUMIDITY...........46-61 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 6 TO 12 MPH. LOCAL GUSTS UP TO
30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ220-267-181930-
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-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. PATCHY FROST AFTER MIDNIGHT.
* MIN TEMPERATURE........34-39 LOWER ELEVATIONS...EXCEPT 29-34
HIGHER ELEVATIONS.
* 24 HR TREND..........8 DEGREES COOLER.
* MAX HUMIDITY...........95-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 7 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................30 PERCENT.
* CHANCE OF THUNDER...20 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY. AREAS OF FROST IN THE
MORNING.
* MAX TEMPERATURE........49-58.
* 24 HR TREND..........5 DEGREES WARMER.
* MIN HUMIDITY...........50-58 PERCENT.
* 24 HR TREND..........28 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST UP
TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING WEST UP
TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. AREAS OF FROST AFTER
MIDNIGHT.
* MIN TEMPERATURE........32-39.
* MAX HUMIDITY...........78-93 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY CLOUDY. AREAS OF FROST
EARLY IN THE MORNING.
* MAX TEMPERATURE........52-60.
* MIN HUMIDITY...........49-64 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTH 4
TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 7 MPH SHIFTING TO THE SOUTH
4 TO 10 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ268-181930-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN
THE EVENING.
* MIN TEMPERATURE........15-23 LOWER ELEVATIONS...EXCEPT 11-18
HIGHER ELEVATIONS.
* 24 HR TREND..........11 DEGREES COOLER.
* MAX HUMIDITY...........79-94 PERCENT...EXCEPT 92-100 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........9 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER...10 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........40-45 LOWER ELEVATIONS...EXCEPT 33-40
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........45-57 PERCENT.
* 24 HR TREND..........23 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 8 MPH SHIFTING TO THE
WEST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........19-29.
* MAX HUMIDITY...........73-88 PERCENT...EXCEPT 82-97 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 8 MPH SHIFTING TO THE
EAST 4 TO 9 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 4 TO 9 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE........42-47 LOWER ELEVATIONS...EXCEPT 35-41
HIGHER ELEVATIONS.
* MIN HUMIDITY...........47-62 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 7 TO 13 MPH. LOCAL GUSTS UP
TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....BREEZY. SOUTHEAST WINDS 6 TO 12 MPH
INCREASING TO SOUTH 13 TO 25 MPH WITH LOCAL GUSTS UP TO 35 MPH
IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
CAZ221-269-181930-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
1226 PM PDT MON MAR 17 2025
TONIGHT
* SKY/WEATHER............HEAVY SNOW SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE........24-29 LOWER ELEVATIONS...EXCEPT 11-21
HIGHER ELEVATIONS.
* 24 HR TREND..........9 DEGREES COOLER.
* MAX HUMIDITY...........85-100 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 9 TO 15 MPH WITH LOCAL GUSTS UP
TO 30 MPH SHIFTING TO THE NORTH 4 TO 10 MPH AFTER MIDNIGHT.
* CWR....................30 PERCENT.
* CHANCE OF THUNDER...14 PERCENT.
TUESDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........43-48 LOWER ELEVATIONS...EXCEPT 33-42
HIGHER ELEVATIONS.
* 24 HR TREND..........4 DEGREES WARMER.
* MIN HUMIDITY...........54-64 PERCENT LOWER ELEVATIONS...EXCEPT
40-55 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........29 PERCENT DOWN.
* 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 8 MPH SHIFTING TO THE
WEST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
TUESDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........28-33 LOWER ELEVATIONS...EXCEPT 17-25
HIGHER ELEVATIONS.
* MAX HUMIDITY...........66-81 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
WEDNESDAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE........47-53 LOWER ELEVATIONS...EXCEPT 35-45
HIGHER ELEVATIONS.
* MIN HUMIDITY...........44-59 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTH 5
TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 7 TO 13 MPH. LOCAL GUSTS UP TO
30 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER...0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
WEDNESDAY NIGHT
SHOWERS AND A CHANCE OF SNOW SHOWERS. LOWS
26 TO 34. SOUTHWEST WINDS 10 TO 20 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS AND
SHOWERS. HIGHS 41 TO 50. SOUTHWEST WINDS UP TO 13 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS 28 TO 37. WEST WINDS UP TO 13 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SNOW
SHOWERS. HIGHS 43 TO 51. WEST WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS 30 TO 39. WEST WINDS UP TO 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLOUDY WITH A CHANCE OF SNOW
SHOWERS AND A SLIGHT CHANCE OF SHOWERS. HIGHS 49 TO 58. NORTHWEST
WINDS UP TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 41. NORTHWEST WINDS
UP TO 10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
WEDNESDAY NIGHT
SHOWERS AND SNOW SHOWERS LIKELY. LOWS 29 TO
37. SOUTH WINDS 8 TO 18 MPH.
THURSDAY
SNOW SHOWERS LIKELY AND A CHANCE OF SHOWERS. HIGHS
42 TO 52. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 26 TO 36. NORTHEAST WINDS
UP TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SNOW
SHOWERS. HIGHS 46 TO 54. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS 30 TO 38. VARIABLE LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. HIGHS 51 TO 59. VARIABLE LESS THAN 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 41. VARIABLE LESS
THAN 5 MPH.
...SIERRA NEVADA FOOTHILLS
WEDNESDAY NIGHT
SHOWERS LIKELY. LOWS 38 TO 43. SOUTHEAST WINDS
5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS 52 TO
59. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 41. NORTHEAST WINDS
UP TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
54 TO 60. VARIABLE LESS THAN 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
LOWS 38 TO 43. VARIABLE LESS THAN 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
59 TO 64. NORTHWEST WINDS UP TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 45. VARIABLE LESS
THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
41 TO 46. SOUTH WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
62 TO 67. NORTHWEST WINDS UP TO 13 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 46. NORTHWEST WINDS
UP TO 13 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS 62 TO 67. NORTHWEST WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 48. NORTHWEST WINDS UP
TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. HIGHS 67 TO 72. NORTHWEST WINDS 5 TO
15 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 48. NORTHWEST WINDS
5 TO 10 MPH.
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