687
FNUS56 KSTO 042003
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
103 PM PDT WED JUN 4 2025
...ELEVATED FIRE WEATHER CONDITIONS IN THE VALLEY TODAY DUE
TO HOT, DRY, AND BREEZY CONDITIONS...
DISCUSSION
ELEVATED FIRE CONDITIONS CONTINUE TODAY THROUGH THE VALLEY DUE TO
LINGERING NORTHERLY WINDS AND LOW HUMIDITY. DRY AND WARM WEATHER
IS EXPECTED ACROSS THE AREA THIS WEEK WITH PERIODICALLY BREEZY
WINDS. CHANCES FOR SHOWERS OR ISOLATED THUNDERSTORMS (10-25%)
WILL CONTINUE TODAY AND THROUGH THE WEEKEND OVER THE HIGH SIERRA,
WITH THE HIGHEST CHANCES SOUTH OF US 50.
CAZ213-052015-
EASTERN PORTION OF SHASTA-TRINITY NF-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-66 LOWER ELEVATIONS...EXCEPT 51-61
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........46-61 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-94 LOWER ELEVATIONS...EXCEPT 79-89
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 6 TO 12 MPH SHIFTING TO THE
SOUTH 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........7500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........63-68 LOWER ELEVATIONS...EXCEPT 55-63
HIGHER ELEVATIONS.
* MAX HUMIDITY...........48-63 PERCENT.
* 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 8 MPH SHIFTING TO THE
NORTH UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........94-99 LOWER ELEVATIONS...EXCEPT 82-92
HIGHER ELEVATIONS.
* MIN HUMIDITY...........15-27 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* MIXING HEIGHT..........9900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ214-052015-
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........46-54.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........61-71 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 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 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88 LOWER ELEVATIONS...EXCEPT 77-82
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-24 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 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 UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........9700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........49-57.
* MAX HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........88-93 LOWER ELEVATIONS...EXCEPT 80-86
HIGHER ELEVATIONS.
* MIN HUMIDITY...........16-28 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
NORTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........11300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ215-052015-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-67.
* 24 HR TREND..........5 DEGREES COOLER.
* MAX HUMIDITY...........48-62 PERCENT.
* 24 HR TREND..........19 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........93-98.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........62-68.
* MAX HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........97-103.
* MIN HUMIDITY...........16-25 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTH UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ216-052015-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........62-77 PERCENT.
* 24 HR TREND..........13 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 5 TO 11 MPH WITH LOCAL GUSTS UP
TO 20 MPH SHIFTING TO THE SOUTHEAST 4 TO 10 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........91-96.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........26-31 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-63.
* MAX HUMIDITY...........63-78 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........93-98.
* MIN HUMIDITY...........21-32 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 7 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ217-052015-
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-87 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........87-92.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........27-36 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........54-59.
* MAX HUMIDITY...........65-80 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 7 TO 13 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-95.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........3100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ218-052015-
CARQUINEZ STRAIT AND DELTA-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........81-91 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........77-87.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........36-51 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 9 TO 15 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........54-59.
* MAX HUMIDITY...........76-91 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 11 TO 17 MPH WITH LOCAL GUSTS
UP TO 30 MPH.
* MIXING HEIGHT..........900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........80-90.
* MIN HUMIDITY...........43-58 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ219-052015-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........65-78 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........88-93.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........27-32 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* MAX HUMIDITY...........60-75 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........90-95.
* MIN HUMIDITY...........23-36 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........2900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ263-279-052015-
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-EASTERN MENDOCINO NF-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 55-63
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........39-48 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........89-94 LOWER ELEVATIONS...EXCEPT 73-83
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-26 PERCENT LOWER ELEVATIONS...EXCEPT
28-37 PERCENT HIGH ELEVATIONS.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHEAST 7 TO 13 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........64-69 LOWER ELEVATIONS...EXCEPT 57-63
HIGHER ELEVATIONS.
* MAX HUMIDITY...........46-61 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHWEST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........93-98 LOWER ELEVATIONS...EXCEPT 76-86
HIGHER ELEVATIONS.
* MIN HUMIDITY...........22-37 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING EAST UP
TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH SHIFTING TO THE EAST
4 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ266-052015-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........60-66.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........40-49 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........87-92 LOWER ELEVATIONS...EXCEPT 81-88
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-31 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 9 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........61-68.
* MAX HUMIDITY...........49-64 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 4 TO 9 MPH SHIFTING TO THE EAST
UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 8 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........89-95 LOWER ELEVATIONS...EXCEPT 83-91
HIGHER ELEVATIONS.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
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.
* MIXING HEIGHT..........4300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ220-267-052015-
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-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........54-69 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....WEST WINDS UP TO 8 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
THURSDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........81-90.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........27-32 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
4 TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-64.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 8 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHEAST UP TO 8 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........83-92.
* MIN HUMIDITY...........25-37 PERCENT.
* 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 UP
TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......3 PERCENT.
CAZ268-052015-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........49-58 LOWER ELEVATIONS...EXCEPT 46-53
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........41-56 PERCENT...EXCEPT 56-66 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........75-82 LOWER ELEVATIONS...EXCEPT 68-76
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-34 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........7600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........49-59.
* MAX HUMIDITY...........54-69 PERCENT...EXCEPT 61-76 PERCENT IN
THE HIGH MOUNTAIN VALLEYS.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH SHIFTING TO THE
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH SHIFTING TO THE
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........78-86 LOWER ELEVATIONS...EXCEPT 72-80
HIGHER ELEVATIONS.
* MIN HUMIDITY...........22-37 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH SHIFTING TO THE
WEST 4 TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
WEST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........8800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ221-269-052015-
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
103 PM PDT WED JUN 4 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........56-62 LOWER ELEVATIONS...EXCEPT 44-54
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........50-65 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS UP TO 7 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH SHIFTING TO THE
EAST UP TO 8 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
THURSDAY
* SKY/WEATHER............MOSTLY SUNNY. AT HIGHER ELEVATIONS, A
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE........77-82 LOWER ELEVATIONS...EXCEPT 65-75
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........29-41 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5900 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-63 LOWER ELEVATIONS...EXCEPT 45-55
HIGHER ELEVATIONS.
* MAX HUMIDITY...........57-72 PERCENT.
* 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 6 TO 12 MPH SHIFTING TO THE EAST
UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......4 PERCENT.
FRIDAY
* SKY/WEATHER............MOSTLY SUNNY. AT HIGHER ELEVATIONS, A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE........79-85 LOWER ELEVATIONS...EXCEPT 67-77
HIGHER ELEVATIONS.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST 4 TO
9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 7 MPH SHIFTING TO THE WEST
4 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......9 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
FRIDAY NIGHT
CLEAR. LOWS 56 TO 65. WEST WINDS UP TO 13 MPH.
SATURDAY
SUNNY. HIGHS 84 TO 94. EAST WINDS UP TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS 58 TO 66. WEST WINDS UP TO 13 MPH.
SUNDAY
SUNNY. HIGHS 84 TO 94. EAST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 67. NORTHWEST WINDS UP
TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 84 TO 94. SOUTH WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 66. NORTHWEST WINDS UP
TO 10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
FRIDAY NIGHT
CLEAR. LOWS 54 TO 64. NORTHEAST WINDS UP TO
10 MPH.
SATURDAY
SUNNY. HIGHS 82 TO 91. WEST WINDS UP TO 13 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 64. NORTHEAST WINDS UP
TO 10 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 83 TO 91. WEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 65. VARIABLE LESS THAN
5 MPH.
MONDAY
SUNNY. HIGHS 84 TO 92. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 65. VARIABLE LESS THAN
5 MPH.
...SIERRA NEVADA FOOTHILLS
FRIDAY NIGHT
CLEAR. LOWS 61 TO 67. EAST WINDS UP TO 10 MPH.
SATURDAY
SUNNY. HIGHS 88 TO 95. WEST WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 67. EAST WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS 88 TO 95. WEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 68. EAST WINDS UP TO
10 MPH.
MONDAY
SUNNY. HIGHS 90 TO 96. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 61 TO 68. EAST WINDS UP TO 10 MPH.
...CENTRAL VALLEY AND DELTA
FRIDAY NIGHT
CLEAR. LOWS 56 TO 64. SOUTHWEST WINDS 5 TO
15 MPH.
SATURDAY
SUNNY. HIGHS 92 TO 100. SOUTHWEST WINDS UP TO 13 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 65. SOUTHWEST WINDS
5 TO 15 MPH.
SUNDAY
SUNNY. HIGHS 92 TO 99. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
CLEAR. LOWS 58 TO 66. SOUTH WINDS 5 TO 10 MPH.
MONDAY
SUNNY. HIGHS 94 TO 100. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 56 TO 64. SOUTH WINDS 5 TO 15 MPH.
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