001
FNUS56 KSTO 232103
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
202 PM PDT SAT MAY 23 2026
...ELEVATED FIRE WEATHER CONDITIONS IN THE VALLEY THRU MONDAY AND
AGAIN TUESDAY EVENING THRU WEDNESDAY DUE TO LOW HUMIDITY AND
GUSTY WINDS...
DISCUSSION
GUSTY WEST-SOUTHWESTERLY WINDS THIS WEEKEND, PEAKING ON MONDAY.
DESPITE SOME GAINS IN OVERNIGHT HUMIDITY RECOVERY, LOW DAYTIME
HUMIDITY AND THE BREEZY WINDS WILL RESULT IN ELEVATED FIRE WEATHER
CONDITIONS FOR LOW ELEVATIONS. WINDS SHIFT OUT OF THE NORTH
TUESDAY EVENING INTO WEDNESDAY WITH VERY LOW HUMIDITY, WHICH WILL
BRING AN ADDITIONAL PERIOD OF ELEVATED FIRE WEATHER CONDITIONS
TO THE VALLEY. CHANCES FOR SHOWERS AND THUNDERSTORMS OVER THE
MOUNTAINS TUESDAY-THURSDAY.
CAZ121-242300-
W. SHASTA COUNTY ABOVE 3000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........56-70 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........71-79.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........26-38 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5200 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........51-57.
* MAX HUMIDITY...........55-70 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....WEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
EARLY IN THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........65-73.
* MIN HUMIDITY...........29-42 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING SOUTH 10
TO 16 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ122-242300-
W. SHASTA COUNTY 1000-3000 FT-
INCLUDING THE CITY OF WHISKEYTOWN
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........58-73 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 7 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........86-91 LOWER ELEVATIONS...EXCEPT 78-84
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-32 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
4 TO 9 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5000 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-62 LOWER ELEVATIONS...EXCEPT 52-58
HIGHER ELEVATIONS.
* MAX HUMIDITY...........61-76 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 7 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
EARLY IN THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........81-86 LOWER ELEVATIONS...EXCEPT 74-79
HIGHER ELEVATIONS.
* MIN HUMIDITY...........24-37 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
4 TO 9 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING SOUTH 6
TO 12 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ123-242300-
SHASTA LAKE AREA & 1-5 1000-3000 FT-
INCLUDING THE CITY OF SHASTA LAKE, SIMS
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........57-62 LOWER ELEVATIONS...EXCEPT 52-58
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........57-68 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 10 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88 LOWER ELEVATIONS...EXCEPT 78-85
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-28 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4800 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........53-59.
* MAX HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY EARLY IN
THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........78-83 LOWER ELEVATIONS...EXCEPT 72-78
HIGHER ELEVATIONS.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTH 8 TO 14 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ124-242300-
SHASTA METRO-
INCLUDING THE CITY OF REDDING, ANDERSON
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........59-64.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........60-68 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 7 MPH IN THE EVENING
BECOMING VARIABLE LESS THAN 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........89-94.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........16-21 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5200 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........58-63.
* MAX HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........22-29 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTH 5 TO 11 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ125-242300-
SHASTA COUNTY FOOTHILLS 1000-3000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........54-62 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 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....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-23 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 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
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........56-61.
* MAX HUMIDITY...........50-65 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 7 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........78-83.
* MIN HUMIDITY...........24-35 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ126-242300-
E. SHASTA /S. CASCADES ABOVE 3000 FT-
INCLUDING THE CITY OF SHINGLETOWN
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........43-53.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........55-70 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 10 MPH WITH LOCAL GUSTS
UP TO 20 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH WITH LOCAL GUSTS
UP TO 25 MPH IN THE EVENING BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........70-80.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-29 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 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..........4900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........45-53.
* MAX HUMIDITY...........57-72 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........65-73.
* MIN HUMIDITY...........29-44 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
9 TO 15 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 10 TO 16 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ127-242300-
BURNEY BASIN-
INCLUDING THE CITY OF BURNEY
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........46-51 LOWER ELEVATIONS...EXCEPT 41-49
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........58-73 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH WITH LOCAL GUSTS UP
TO 25 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........75-82 LOWER ELEVATIONS...EXCEPT 69-79
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-26 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO 25
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........44-50.
* MAX HUMIDITY...........59-74 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH WITH LOCAL GUSTS
UP TO 25 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........71-77 LOWER ELEVATIONS...EXCEPT 64-74
HIGHER ELEVATIONS.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
10 TO 16 MPH WITH LOCAL GUSTS UP TO 35 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS UP TO 7 MPH INCREASING TO
SOUTHWEST 14 TO 20 MPH WITH LOCAL GUSTS UP TO 35 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........6700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ128-242300-
LASSEN VOLCANIC NP-
INCLUDING THE CITY OF LASSEN NATIONAL PARK
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........40-45.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........48-55 PERCENT.
* 24 HR TREND..........14 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........62-70.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-31 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........7200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........40-45.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE EVENING.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........57-65.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........BREEZY. SOUTH WINDS 4 TO 9 MPH INCREASING
TO SOUTHWEST 14 TO 26 MPH WITH LOCAL GUSTS UP TO 40 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........6000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ129-242300-
SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-
INCLUDING THE CITY OF PARADISE
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-61.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........43-53 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 9 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 8 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........79-86.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-26 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 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..........4000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........56-62.
* MAX HUMIDITY...........49-64 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........75-81.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTH 8
TO 14 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING SOUTH 7
TO 13 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ130-242300-
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-
INCLUDING THE CITY OF MINERAL, QUINCY
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........42-52.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........46-61 PERCENT.
* 24 HR TREND..........10 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS 4 TO 10 MPH WITH LOCAL GUSTS UP
TO 20 MPH SHIFTING TO THE EAST UP TO 7 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........72-80 LOWER ELEVATIONS...EXCEPT 66-75
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-27 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........43-53.
* MAX HUMIDITY...........52-67 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4 TO 10 MPH WITH LOCAL GUSTS
UP TO 20 MPH IN THE EVENING BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH SHIFTING TO THE
EAST UP TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........67-75 LOWER ELEVATIONS...EXCEPT 61-69
HIGHER ELEVATIONS.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
9 TO 15 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 11 TO 17 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........5800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ131-242300-
N. MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF AUBURN, GRASS VALLEY, COLFAX, NEVADA CITY
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........54-67 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........79-84.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........25-30 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........75-80.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH.
* MIXING HEIGHT..........3200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ132-242300-
SIERRA (YUBA-PLACER) 3000-5000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........48-56.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........46-59 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........72-80.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-27 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 7 MPH SHIFTING TO
THE WEST 5 TO 11 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-56.
* MAX HUMIDITY...........52-67 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH SHIFTING TO THE
EAST UP TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........69-75.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........EAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST 6 TO 12 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........5100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ133-242300-
SIERRA (SIERRA-PLACER) ABOVE 5000 FT-
INCLUDING THE CITY OF BLUE CANYON, KINGVALE, DONNER PEAK
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........39-49.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........46-59 PERCENT.
* 24 HR TREND..........16 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 10 MPH. LOCAL GUSTS UP TO
25 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........65-73.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-25 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........41-51.
* MAX HUMIDITY...........48-63 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 6 TO 12 MPH WITH LOCAL GUSTS UP
TO 25 MPH SHIFTING TO THE EAST UP TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........61-69.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH INCREASING TO
SOUTHWEST 10 TO 16 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........5500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ134-242300-
CENTRAL MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF CAMERON PARK, SHINGLE SPRINGS, PLACERVILLE,
COOL, JACKSON
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........63-78 PERCENT LOWER ELEVATIONS...EXCEPT
52-61 PERCENT HIGH ELEVATIONS.
* 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..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........77-82.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........29-34 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....VARIABLE WINDS UP TO 7 MPH BECOMING WEST UP
TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........51-56.
* MAX HUMIDITY...........63-78 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........74-79.
* MIN HUMIDITY...........32-43 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHWEST
5 TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ135-242300-
SIERRA 3000-5000 FT-
INCLUDING THE CITY OF POLLOCK PINES
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........48-56.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........49-60 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..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........73-78.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-32 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 5
TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-56.
* MAX HUMIDITY...........50-65 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........71-76.
* 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....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ136-242300-
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-
INCLUDING THE CITY OF CARSON PASS
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........39-48.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........48-61 PERCENT.
* 24 HR TREND..........10 PERCENT DOWN.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 25 MPH IN THE EVENING BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........64-74.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-29 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6400 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
LATE IN THE EVENING THEN BECOMING MOSTLY CLEAR.
* MIN TEMPERATURE........43-49.
* MAX HUMIDITY...........53-68 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....WEST WINDS 5 TO 11 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........60-70.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 11 TO 17 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........5600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ137-242300-
SOUTHERN MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF SONORA, ANGELS CAMP
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........59-74 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 4 TO 10 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........79-84.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........26-33 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........53-58.
* MAX HUMIDITY...........60-75 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........76-82.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 4 TO 10 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ138-242300-
SIERRA (CAL-TUO) 3000-5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........51-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........46-60 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........73-79.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........27-35 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3900 FT AGL.
* CHANCE OF THUNDER......2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........51-59.
* MAX HUMIDITY...........58-73 PERCENT.
* 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 UP TO 8 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........70-76.
* MIN HUMIDITY...........32-47 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST 6 TO
12 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING WEST 6
TO 12 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ139-242300-
SIERRA (CAL-TUO) ABOVE 5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........40-50.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........54-69 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 12 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........63-73.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........24-32 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
WEST 5 TO 11 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6600 FT AGL.
* CHANCE OF THUNDER......6 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........41-51.
* MAX HUMIDITY...........57-72 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH WITH LOCAL GUSTS UP TO
20 MPH IN THE EVENING BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......6 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........60-70.
* MIN HUMIDITY...........33-48 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 10 TO 16 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ140-242300-
TEHAMA CO COAST RANGE ABOVE 3000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........51-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........61-67 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 8 MPH SHIFTING TO
THE NORTH UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......8 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........67-76.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........34-39 PERCENT.
* 24 HR TREND..........10 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTHEAST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6300 FT AGL.
* CHANCE OF THUNDER......4 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........50-56.
* MAX HUMIDITY...........42-55 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY
EARLY IN THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........64-72.
* MIN HUMIDITY...........25-39 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 8 MPH INCREASING TO
SOUTH 11 TO 17 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........6000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ141-242300-
W TEHAMA CO FOOTHILLS 1000-3000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........59-64.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........60-69 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......5 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89 LOWER ELEVATIONS...EXCEPT 75-80
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-31 PERCENT.
* 24 HR TREND..........7 PERCENT DOWN.
* 20-FOOT WINDS..........EAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5100 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-62.
* MAX HUMIDITY...........47-62 PERCENT LOWER ELEVATIONS...EXCEPT
43-50 PERCENT HIGH ELEVATIONS.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........81-86 LOWER ELEVATIONS...EXCEPT 73-78
HIGHER ELEVATIONS.
* MIN HUMIDITY...........20-32 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 6 TO 12 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........4900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ142-242300-
N. SAC VALLEY IN TEHAMA COUNTY-
INCLUDING THE CITY OF RED BLUFF
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........66-74 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........89-94.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........16-21 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........57-62.
* MAX HUMIDITY...........56-71 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 10 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........86-91.
* MIN HUMIDITY...........17-26 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ143-242300-
GLENN/COLUSA COAST RANGE ABOVE 3000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........58-66 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH SHIFTING TO THE
NORTH UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......3 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........67-77.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........29-36 PERCENT.
* 24 HR TREND..........11 PERCENT DOWN.
* 20-FOOT WINDS..........EAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTH 7 TO 13 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5900 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........51-57.
* MAX HUMIDITY...........40-55 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........63-73.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 6 MPH INCREASING TO
SOUTH 11 TO 17 MPH WITH LOCAL GUSTS UP TO 30 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........5800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ144-242300-
CENTRAL GLENN CO & INTERSTATE 5-
INCLUDING THE CITY OF WILLOWS, ORLAND
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........77-86 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........88-93.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-24 PERCENT.
* 24 HR TREND..........4 PERCENT DOWN.
* 20-FOOT WINDS..........NORTHEAST WINDS UP TO 6 MPH SHIFTING TO
THE SOUTHEAST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-60.
* MAX HUMIDITY...........58-73 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH. LOCAL GUSTS UP TO
20 MPH IN THE EVENING.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........87-92.
* MIN HUMIDITY...........17-22 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST 5 TO 11 MPH WITH LOCAL GUSTS UP TO 20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT..........4700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ145-242300-
EASTERN GLENN COUNTY-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........82-88 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........90-95.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-23 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTH UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-59.
* MAX HUMIDITY...........77-84 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........87-92.
* MIN HUMIDITY...........19-25 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 10 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ146-242300-
BUTTE COUNTY BELOW 1000 FT-
INCLUDING THE CITY OF CHICO, OROVILLE, GRIDLEY
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........66-81 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........88-93.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-24 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........55-60.
* MAX HUMIDITY...........60-75 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........21-35 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........3500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ147-242300-
W. GLENN/COLUSA FOOTHILLS 1000-3000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........65-80 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTH WINDS UP TO 8 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 4 TO 9 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89 LOWER ELEVATIONS...EXCEPT 76-81
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-27 PERCENT.
* 24 HR TREND..........7 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
5 TO 10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHEAST 6 TO 12 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-58.
* MAX HUMIDITY...........52-67 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS 6 TO 12 MPH.
* RIDGES/UPR SLOPES....WEST WINDS 6 TO 12 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........80-85 LOWER ELEVATIONS...EXCEPT 73-78
HIGHER ELEVATIONS.
* MIN HUMIDITY...........20-35 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
7 TO 13 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING SOUTH 9
TO 15 MPH WITH LOCAL GUSTS UP TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ148-242300-
CENTRAL COLUSA COUNTY INCL. I-5-
INCLUDING THE CITY OF WILLIAMS
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........81-90 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 5 TO 11 MPH SHIFTING TO THE
EAST UP TO 6 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........87-92.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-26 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHEAST 4 TO 9 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........54-59.
* MAX HUMIDITY...........70-85 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........21-33 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 8 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ149-242300-
EASTERN COLUSA COUNTY-
INCLUDING THE CITY OF COLUSA
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-92 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........90-95.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-24 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTH UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* MAX HUMIDITY...........80-87 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 20 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........86-91.
* MIN HUMIDITY...........21-29 PERCENT.
* 20-FOOT WINDS..........SOUTHEAST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ150-242300-
SUTTER/YUBA COUNTIES BELOW 1000 FT-
INCLUDING THE CITY OF YUBA CITY, BEALE AFB
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........74-89 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS 6 TO 12 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........87-92.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........20-25 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* MAX HUMIDITY...........68-83 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88.
* MIN HUMIDITY...........21-35 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 5 TO 11 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ151-242300-
YOLO / SOLANO COUNTY HILLS-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE........50-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-87 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 6 TO 11 MPH IN THE EVENING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........71-81.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........32-47 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING SOUTH 6
TO 11 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* MAX HUMIDITY...........71-86 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 16 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........68-78.
* MIN HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST 7 TO 12 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ152-242300-
W. YOLO COUNTY INCLUDING CAPAY/I-505-
INCLUDING THE CITY OF ESPARTO, WINTERS
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........80-90 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 10 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........26-34 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........79-84.
* MIN HUMIDITY...........28-42 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 10 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ153-242300-
C. YOLO/NE SOLANO INCLUDING WOODLAND-
INCLUDING THE CITY OF WOODLAND, DIXON
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........89-94 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS 6 TO 12 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........81-88.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........25-36 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* MAX HUMIDITY...........84-97 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 8 TO 14 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........78-84.
* MIN HUMIDITY...........29-44 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 7 TO 13 MPH WITH LOCAL GUSTS
UP TO 25 MPH.
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ154-242300-
SAC METRO/W. EL DORADO/AMADOR COUNTY-
INCLUDING THE CITY OF LINCOLN, ROSEVILLE, SACRAMENTO, ELK GROVE,
FOLSOM
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........49-54.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........85-97 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 10 MPH WITH LOCAL GUSTS
UP TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........82-88.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........26-34 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........49-54.
* MAX HUMIDITY...........75-90 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........79-84.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........3300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ155-242300-
C. SOLANO COUNTY INCLUDING FAIRFIELD-
INCLUDING THE CITY OF FAIRFIELD, VACAVILLE
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-93 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........75-80.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........41-46 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 10 TO 16 MPH WITH LOCAL GUSTS
UP TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* MAX HUMIDITY...........77-92 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 13 TO 19 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........73-78.
* MIN HUMIDITY...........39-54 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 13 TO 19 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........2700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ156-242300-
SW SOLANO COUNTY INCLUDING VALLEJO-
INCLUDING THE CITY OF VALLEJO, BENICIA
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY.
* MIN TEMPERATURE........51-56.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-92 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 12 TO 18 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........69-75.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........47-55 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 12 TO 18 MPH WITH LOCAL GUSTS
UP TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........51-56.
* MAX HUMIDITY...........82-94 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 15 TO 21 MPH WITH LOCAL
GUSTS UP TO 35 MPH.
* MIXING HEIGHT..........900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........68-73.
* MIN HUMIDITY...........52-67 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 15 TO 21 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........2700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ157-242300-
SACRAMENTO COUNTY DELTA-
INCLUDING THE CITY OF WALNUT GROVE
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........49-54.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........89-95 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 9 TO 15 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........76-81.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........38-44 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 11 TO 17 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........49-54.
* MAX HUMIDITY...........81-96 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 13 TO 19 MPH WITH LOCAL GUSTS
UP TO 30 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........73-78.
* MIN HUMIDITY...........42-57 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 12 TO 18 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........2900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ158-242300-
SAN JOAQUIN COUNTY DELTA-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........89-94 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........80-85.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........33-38 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* MAX HUMIDITY...........82-94 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........77-82.
* MIN HUMIDITY...........36-51 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* MIXING HEIGHT..........3400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ159-242300-
C. SAN JOAQUIN COUNTY INCLUDING STOCKTON-
INCLUDING THE CITY OF STOCKTON, LODI
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........90-96 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........29-34 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........50-55.
* MAX HUMIDITY...........85-98 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH. LOCAL GUSTS
UP TO 25 MPH IN THE EVENING.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........81-86.
* MIN HUMIDITY...........32-41 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ160-242300-
TRACY TRIANGLE BELOW 1000 FT-
INCLUDING THE CITY OF TRACY
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........76-91 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........83-88.
* 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 25 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........52-57.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 7 TO 13 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........81-86.
* MIN HUMIDITY...........31-38 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 6 TO 12 MPH. LOCAL GUSTS UP TO
25 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ161-242300-
NE SAN JOAQUIN VALLEY BELOW 1000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........53-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........70-84 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE........83-88.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........24-29 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........53-58.
* MAX HUMIDITY...........69-84 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........81-86.
* MIN HUMIDITY...........26-36 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ162-242300-
E. DIABLO RANGE ABOVE 1000 FT-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........47-56.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........62-77 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........76-82.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........30-36 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........48-56.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........74-80.
* MIN HUMIDITY...........31-44 PERCENT.
* 20-FOOT WINDS..........
* MIXING HEIGHT..........4100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ163-242300-
W. STANISLAUS COUNTY ABOVE 1000 FT & I-5-
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE........53-58.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........77-92 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........26-31 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS 4 TO 9 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........53-58.
* MAX HUMIDITY...........73-88 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH. LOCAL GUSTS
UP TO 20 MPH IN THE EVENING.
* MIXING HEIGHT..........400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........82-87.
* MIN HUMIDITY...........31-40 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........4400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ164-242300-
C. STANISLAUS COUNTY INCLUDING MODESTO-
INCLUDING THE CITY OF MODESTO, TURLOCK
202 PM PDT SAT MAY 23 2026
TONIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........52-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........86-94 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........85-90.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........24-29 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS 6 TO 12 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLEAR.
* MIN TEMPERATURE........52-57.
* MAX HUMIDITY...........77-92 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 8 TO 14 MPH.
* MIXING HEIGHT..........500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
MEMORIAL DAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........27-36 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 10 MPH.
* MIXING HEIGHT..........4200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 48. WEST WINDS 10 TO
20 MPH.
TUESDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 56 TO 66. NORTHWEST WINDS 10 TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 46. NORTH WINDS 10 TO
20 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS
58 TO 68. NORTH WINDS 10 TO 20 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 40 TO 50. NORTH WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS
61 TO 71. NORTHEAST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 44 TO 53. WEST WINDS UP TO 10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
MONDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 50. SOUTH WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 58 TO 66. SOUTHWEST WINDS 5 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
36 TO 46. NORTHEAST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 57 TO 65. NORTH WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 38 TO 48. NORTHEAST WINDS UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 59 TO 67. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 41 TO 51. VARIABLE LESS THAN 5 MPH.
...SIERRA NEVADA FOOTHILLS
MONDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 53. SOUTH WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 66 TO 73. SOUTHWEST WINDS 5 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 52. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS
66 TO 74. NORTHWEST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 54. NORTHEAST WINDS
UP TO 10 MPH.
THURSDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. HIGHS
68 TO 76. SOUTH WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 51 TO 56. VARIABLE LESS THAN 5 MPH.
...CENTRAL VALLEY AND DELTA
MONDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 55. SOUTHWEST WINDS
10 TO 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 77 TO 82. WEST WINDS 10 TO 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 52 TO 57. NORTHWEST WINDS 10 TO
20 MPH.
WEDNESDAY
SUNNY. HIGHS 78 TO 83. NORTHWEST WINDS 10 TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 59. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 79 TO 84. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 58. SOUTHWEST WINDS UP
TO 10 MPH.
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