015
FNUS56 KSTO 200903
FWFSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
202 AM PDT SUN SEP 20 2026
DISCUSSION
WARM AND DRY CONDITIONS PREVAIL ACROSS INTERIOR NORCAL NEXT
SEVERAL DAYS. ONSHORE FLOW RETURNS IN THE DELTA AND VICINITY,
HELPING OVERNIGHT RECOVERIES AND SLIGHTLY INCREASING DAYTIME
HUMIDITY VALUES. WEATHER SYSTEM FORECAST TO MOVE THROUGH PORTIONS
OF CENTRAL CALIFORNIA MONDAY AND TUESDAY, BRINGING MOUNTAIN RAIN
SHOWERS AND ISOLATED THUNDERSTORM CHANCES (5-10%) MAINLY SOUTH OF
HWY-50 ON MONDAY, DRY ELSEWHERE. TEMPERATURES WARM WEDNESDAY AND
THURSDAY, THEN BEGIN TO COOL AS WE MOVE INTO THE WEEKEND.
CAZ121-210000-
W. SHASTA COUNTY ABOVE 3000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........76-84.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-23 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6200 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........53-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........38-51 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........77-85.
* MIN HUMIDITY...........17-29 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........8900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ122-210000-
W. SHASTA COUNTY 1000-3000 FT-
INCLUDING THE CITY OF WHISKEYTOWN
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........89-94 LOWER ELEVATIONS...EXCEPT 83-89
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........16-21 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHEAST UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR.
* MIN TEMPERATURE........60-67 LOWER ELEVATIONS...EXCEPT 55-62
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........39-54 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.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........90-95 LOWER ELEVATIONS...EXCEPT 85-90
HIGHER ELEVATIONS.
* MIN HUMIDITY...........18-28 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* MIXING HEIGHT..........6300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ123-210000-
SHASTA LAKE AREA & 1-5 1000-3000 FT-
INCLUDING THE CITY OF SHASTA LAKE, SIMS
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........86-92.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........16-21 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHEAST WINDS 4 TO 10 MPH SHIFTING TO
THE SOUTH UP TO 6 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLEAR.
* MIN TEMPERATURE........56-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........43-58 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH SHIFTING TO THE
NORTH UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........86-92.
* MIN HUMIDITY...........15-29 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH SHIFTING TO THE
SOUTH UP TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ124-210000-
SHASTA METRO-
INCLUDING THE CITY OF REDDING, ANDERSON
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........91-96.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........16-21 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH SHIFTING TO THE
SOUTH UP TO 6 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........59-64.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........50-60 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH SHIFTING TO
THE NORTH UP TO 5 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........91-96.
* MIN HUMIDITY...........20-25 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTH UP TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ125-210000-
SHASTA COUNTY FOOTHILLS 1000-3000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........86-91.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-24 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........59-64.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........47-54 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........86-91.
* MIN HUMIDITY...........23-28 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* MIXING HEIGHT..........4700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ126-210000-
E. SHASTA /S. CASCADES ABOVE 3000 FT-
INCLUDING THE CITY OF SHINGLETOWN
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........75-85.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-28 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 4 TO 10 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 5 TO 11 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........48-57.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........45-59 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 BECOMING
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........75-85.
* MIN HUMIDITY...........16-31 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........8300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ127-210000-
BURNEY BASIN-
INCLUDING THE CITY OF BURNEY
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........80-86 LOWER ELEVATIONS...EXCEPT 74-83
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-24 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........8100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........46-52.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........48-63 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.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY
EARLY IN THE AFTERNOON THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE........81-87 LOWER ELEVATIONS...EXCEPT 73-83
HIGHER ELEVATIONS.
* MIN HUMIDITY...........16-30 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* MIXING HEIGHT..........10600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ128-210000-
LASSEN VOLCANIC NP-
INCLUDING THE CITY OF LASSEN NATIONAL PARK
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........66-73.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........19-27 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS 9 TO 15 MPH BECOMING SOUTH
UP TO 6 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6800 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........47-52.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........39-44 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........67-73.
* MIN HUMIDITY...........18-33 PERCENT.
* 20-FOOT WINDS..........EAST WINDS UP TO 8 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........10100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
CAZ129-210000-
SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-
INCLUDING THE CITY OF PARADISE
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-31 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS 8 TO 14 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS 6 TO 12 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........61-66.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........39-50 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........81-87.
* MIN HUMIDITY...........20-35 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* MIXING HEIGHT..........4000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ130-210000-
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-
INCLUDING THE CITY OF MINERAL, QUINCY
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........77-84 LOWER ELEVATIONS...EXCEPT 71-78
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-27 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 8 TO 14 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....EAST WINDS 7 TO 13 MPH SHIFTING TO THE SOUTH
UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6200 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........49-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........40-55 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
EARLY IN THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........76-84 LOWER ELEVATIONS...EXCEPT 72-78
HIGHER ELEVATIONS.
* MIN HUMIDITY...........19-34 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS 4 TO 9 MPH IN THE MORNING
BECOMING UPSLOPE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........8200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ131-210000-
N. MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF AUBURN, GRASS VALLEY, COLFAX, NEVADA CITY
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........28-34 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........EAST WINDS UP TO 6 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........50-61 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........EAST WINDS UP TO 7 MPH IN THE EVENING
BECOMING VARIABLE LESS THAN 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........80-85.
* MIN HUMIDITY...........24-39 PERCENT.
* 20-FOOT WINDS..........NORTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ132-210000-
SIERRA (YUBA-PLACER) 3000-5000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........77-84.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-29 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........EAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4200 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........53-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........38-52 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
EARLY IN THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........76-82.
* MIN HUMIDITY...........22-37 PERCENT.
* 20-FOOT WINDS..........EAST WINDS UP TO 6 MPH SHIFTING TO THE
WEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......1 PERCENT.
CAZ133-210000-
SIERRA (SIERRA-PLACER) ABOVE 5000 FT-
INCLUDING THE CITY OF BLUE CANYON, KINGVALE, DONNER PEAK
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........69-78.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-28 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........EAST WINDS 6 TO 12 MPH WITH LOCAL GUSTS UP
TO 20 MPH SHIFTING TO THE SOUTHWEST UP TO 6 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5700 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........47-56.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........40-50 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHEAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
EARLY IN THE AFTERNOON THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........68-76.
* MIN HUMIDITY...........21-34 PERCENT.
* 20-FOOT WINDS..........EAST WINDS UP TO 8 MPH SHIFTING TO THE
WEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........8400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......4 PERCENT.
CAZ134-210000-
CENTRAL MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF CAMERON PARK, SHINGLE SPRINGS, PLACERVILLE,
COOL, JACKSON
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........81-86.
* 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.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........54-69 PERCENT LOWER ELEVATIONS...EXCEPT
46-54 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.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........79-84.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* MIXING HEIGHT..........3500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ135-210000-
SIERRA 3000-5000 FT-
INCLUDING THE CITY OF POLLOCK PINES
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN BECOMING
PARTLY CLOUDY. HAZY IN THE MORNING. PATCHY SMOKE THROUGH THE DAY.
* MAX TEMPERATURE........78-83.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........24-30 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 7 MPH IN THE MORNING
BECOMING VARIABLE UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE AFTER
MIDNIGHT.
* MIN TEMPERATURE........54-61 LOWER ELEVATIONS...EXCEPT 59-64
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........41-53 PERCENT.
* 24 HR TREND..........6 PERCENT DOWN.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 7 MPH IN THE EVENING
BECOMING DRAINAGE UP TO 5 MPH.
* RIDGES/UPR SLOPES....NORTHEAST 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......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
BECOMING PARTLY CLOUDY. PATCHY SMOKE IN THE MORNING.
* MAX TEMPERATURE........76-81.
* MIN HUMIDITY...........21-36 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST UP
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH.
* MIXING HEIGHT..........5100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......2 PERCENT.
CAZ136-210000-
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-
INCLUDING THE CITY OF CARSON PASS
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE.
* MAX TEMPERATURE........68-78.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........22-29 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........6200 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE THROUGH THE
NIGHT.
* MIN TEMPERATURE........46-53.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........41-49 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. PATCHY SMOKE UNTIL LATE AFTERNOON. AT HIGHER ELEVATIONS,
A SLIGHT CHANCE OF RAIN LATE IN THE AFTERNOON.
* MAX TEMPERATURE........64-74.
* MIN HUMIDITY...........23-38 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH SHIFTING TO THE WEST
UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........8500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......6 PERCENT.
CAZ137-210000-
SOUTHERN MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF SONORA, ANGELS CAMP
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. HAZY AND PATCHY SMOKE IN
THE MORNING.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........27-33 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING WEST UP
TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........57-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........47-62 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTH WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH BECOMING
NORTHEAST UP TO 7 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
IN THE LATE MORNING AND EARLY AFTERNOON THEN BECOMING MOSTLY
CLOUDY. PATCHY SMOKE IN THE MORNING.
* MAX TEMPERATURE........79-84.
* MIN HUMIDITY...........25-40 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...WEST WINDS UP TO 7 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ138-210000-
SIERRA (CAL-TUO) 3000-5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. HAZY AND AREAS OF SMOKE IN
THE MORNING.
* MAX TEMPERATURE........77-83.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........24-31 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE.
* MIN TEMPERATURE........57-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........36-49 PERCENT.
* 24 HR TREND..........8 PERCENT DOWN.
* 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..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE IN THE
MORNING.
* MAX TEMPERATURE........74-80.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...EAST WINDS UP TO 8 MPH SHIFTING TO THE WEST
UP TO 7 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....EAST WINDS UP TO 8 MPH SHIFTING TO THE
SOUTHWEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......4 PERCENT.
CAZ139-210000-
SIERRA (CAL-TUO) ABOVE 5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. HAZY IN THE MORNING. PATCHY
SMOKE THROUGH THE DAY.
* MAX TEMPERATURE........66-76.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........21-28 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 11 MPH SHIFTING TO THE
SOUTHWEST UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5800 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE IN THE
EVENING, THEN AREAS OF SMOKE AFTER MIDNIGHT.
* MIN TEMPERATURE........45-55.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........40-51 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....EAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......1 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE UNTIL LATE
AFTERNOON. AT HIGHER ELEVATIONS, A SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE........63-73.
* MIN HUMIDITY...........20-35 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....NORTHEAST WINDS 4 TO 9 MPH SHIFTING TO THE
WEST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........8600 FT AGL.
* CWR....................10 PERCENT.
* CHANCE OF THUNDER......7 PERCENT.
CAZ140-210000-
TEHAMA CO COAST RANGE ABOVE 3000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........70-79.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........23-28 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........EAST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........5300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........34-39 PERCENT.
* 24 HR TREND..........5 PERCENT DOWN.
* 20-FOOT WINDS..........EAST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........72-80.
* MIN HUMIDITY...........20-35 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH SHIFTING TO THE
EAST IN THE AFTERNOON.
* MIXING HEIGHT..........7500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ141-210000-
W TEHAMA CO FOOTHILLS 1000-3000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........87-92 LOWER ELEVATIONS...EXCEPT 78-83
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........18-23 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
EAST UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........65-70 LOWER ELEVATIONS...EXCEPT 60-66
HIGHER ELEVATIONS.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........36-43 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........WEST WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........89-94 LOWER ELEVATIONS...EXCEPT 81-86
HIGHER ELEVATIONS.
* MIN HUMIDITY...........20-33 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 5 MPH SHIFTING TO
THE EAST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ142-210000-
N. SAC VALLEY IN TEHAMA COUNTY-
INCLUDING THE CITY OF RED BLUFF
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........88-93.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........21-27 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTHEAST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........60-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........50-65 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 7 MPH IN THE EVENING
BECOMING VARIABLE LESS THAN 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........89-94.
* MIN HUMIDITY...........22-35 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTH UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ143-210000-
GLENN/COLUSA COAST RANGE ABOVE 3000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........70-79.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........25-31 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHEAST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........4600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........56-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........36-43 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........72-80.
* MIN HUMIDITY...........22-37 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH SHIFTING TO THE
SOUTHEAST IN THE AFTERNOON.
* MIXING HEIGHT..........6600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ144-210000-
CENTRAL GLENN CO & INTERSTATE 5-
INCLUDING THE CITY OF WILLOWS, ORLAND
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........86-91.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........26-37 PERCENT.
* 24 HR TREND..........16 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
EAST UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........60-75 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH SHIFTING TO THE
NORTH UP TO 5 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........88-93.
* MIN HUMIDITY...........26-41 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ145-210000-
EASTERN GLENN COUNTY-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........86-91.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........35-42 PERCENT.
* 24 HR TREND..........17 PERCENT UP.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........76-88 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH IN THE EVENING
BECOMING VARIABLE LESS THAN 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........87-92.
* MIN HUMIDITY...........33-41 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST UP TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ146-210000-
BUTTE COUNTY BELOW 1000 FT-
INCLUDING THE CITY OF CHICO, OROVILLE, GRIDLEY
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........86-91.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........30-39 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........65-80 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH IN THE EVENING
BECOMING VARIABLE LESS THAN 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........85-90.
* MIN HUMIDITY...........28-43 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH.
* MIXING HEIGHT..........3500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ147-210000-
W. GLENN/COLUSA FOOTHILLS 1000-3000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........85-90 LOWER ELEVATIONS...EXCEPT 78-83
HIGHER ELEVATIONS.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........24-32 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...NORTHEAST WINDS UP TO 8 MPH.
* RIDGES/UPR SLOPES....NORTH WINDS UP TO 7 MPH SHIFTING TO THE EAST
UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........59-65.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........43-58 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...DRAINAGE WINDS UP TO 5 MPH.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........87-92 LOWER ELEVATIONS...EXCEPT 80-85
HIGHER ELEVATIONS.
* MIN HUMIDITY...........22-33 PERCENT.
* 20-FOOT WINDS..........
* VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING SOUTHEAST
5 TO 8 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHEAST UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ148-210000-
CENTRAL COLUSA COUNTY INCL. I-5-
INCLUDING THE CITY OF WILLIAMS
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........85-90.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........35-42 PERCENT.
* 24 HR TREND..........17 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS UP TO 7 MPH SHIFTING TO THE
EAST UP TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........58-63.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........70-85 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH SHIFTING TO THE
NORTHWEST UP TO 5 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING SUNNY.
* MAX TEMPERATURE........88-93.
* MIN HUMIDITY...........30-45 PERCENT.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTHEAST 4 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ149-210000-
EASTERN COLUSA COUNTY-
INCLUDING THE CITY OF COLUSA
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........85-90.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........37-42 PERCENT.
* 24 HR TREND..........15 PERCENT UP.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST UP TO 6 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2900 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........89-94 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 5 MPH IN THE EVENING
BECOMING VARIABLE LESS THAN 5 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........87-92.
* MIN HUMIDITY...........34-40 PERCENT.
* 20-FOOT WINDS..........VARIABLE WINDS LESS THAN 5 MPH BECOMING
SOUTHEAST UP TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ150-210000-
SUTTER/YUBA COUNTIES BELOW 1000 FT-
INCLUDING THE CITY OF YUBA CITY, BEALE AFB
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........84-89.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........33-39 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2800 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........74-89 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........SOUTHEAST WINDS UP TO 6 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........85-90.
* MIN HUMIDITY...........30-40 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS UP TO 7 MPH.
* MIXING HEIGHT..........3400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ151-210000-
YOLO / SOLANO COUNTY HILLS-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. HAZY IN THE MORNING.
* MAX TEMPERATURE........74-84.
* 24 HR TREND..........8 DEGREES COOLER.
* MIN HUMIDITY...........35-50 PERCENT.
* 24 HR TREND..........15 PERCENT UP.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING EAST 5
TO 8 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........55-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-87 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....WEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........76-86.
* MIN HUMIDITY...........40-55 PERCENT.
* 20-FOOT WINDS..........
* RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 7 MPH BECOMING
SOUTHEAST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3900 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ152-210000-
W. YOLO COUNTY INCLUDING CAPAY/I-505-
INCLUDING THE CITY OF ESPARTO, WINTERS
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* MAX TEMPERATURE........84-89.
* 24 HR TREND..........7 DEGREES COOLER.
* MIN HUMIDITY...........33-38 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 20-FOOT WINDS..........NORTH WINDS UP TO 6 MPH SHIFTING TO THE
SOUTHEAST UP TO 7 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........72-87 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........86-91.
* MIN HUMIDITY...........29-41 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 6 MPH SHIFTING TO
THE SOUTH UP TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ153-210000-
C. YOLO/NE SOLANO INCLUDING WOODLAND-
INCLUDING THE CITY OF WOODLAND, DIXON
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........8 DEGREES COOLER.
* MIN HUMIDITY...........33-44 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........88-94 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH WITH LOCAL GUSTS UP
TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........83-88.
* MIN HUMIDITY...........33-48 PERCENT.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH WITH LOCAL GUSTS UP
TO 20 MPH.
* MIXING HEIGHT..........3400 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ154-210000-
SAC METRO/W. EL DORADO/AMADOR COUNTY-
INCLUDING THE CITY OF LINCOLN, ROSEVILLE, SACRAMENTO, ELK GROVE,
FOLSOM
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........35-42 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........54-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........80-95 PERCENT.
* 24 HR TREND..........9 PERCENT UP.
* 20-FOOT WINDS..........SOUTH WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE MORNING THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........30-45 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........3300 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ155-210000-
C. SOLANO COUNTY INCLUDING FAIRFIELD-
INCLUDING THE CITY OF FAIRFIELD, VACAVILLE
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........78-83.
* 24 HR TREND..........10 DEGREES COOLER.
* MIN HUMIDITY...........48-53 PERCENT.
* 24 HR TREND..........11 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-93 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS 8 TO 14 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........600 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........78-83.
* MIN HUMIDITY...........41-56 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 9 TO 15 MPH WITH LOCAL
GUSTS UP TO 30 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ156-210000-
SW SOLANO COUNTY INCLUDING VALLEJO-
INCLUDING THE CITY OF VALLEJO, BENICIA
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........71-78.
* 24 HR TREND..........10 DEGREES COOLER.
* MIN HUMIDITY...........53-68 PERCENT.
* 24 HR TREND..........14 PERCENT UP.
* 20-FOOT WINDS..........SOUTHWEST WINDS 7 TO 13 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........1500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........90-95 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........SOUTHWEST WINDS 10 TO 16 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........71-79.
* MIN HUMIDITY...........63-78 PERCENT.
* 20-FOOT WINDS..........SOUTHWEST WINDS 10 TO 17 MPH WITH LOCAL
GUSTS UP TO 25 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ157-210000-
SACRAMENTO COUNTY DELTA-
INCLUDING THE CITY OF WALNUT GROVE
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE........79-84.
* 24 HR TREND..........8 DEGREES COOLER.
* MIN HUMIDITY...........47-52 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 6 TO 12 MPH. LOCAL GUSTS UP TO
20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........90-95 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 8 TO 14 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........79-84.
* MIN HUMIDITY...........45-60 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 9 TO 15 MPH WITH LOCAL GUSTS UP
TO 25 MPH.
* MIXING HEIGHT..........2500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ158-210000-
SAN JOAQUIN COUNTY DELTA-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........7 DEGREES COOLER.
* MIN HUMIDITY...........41-47 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-92 PERCENT.
* 24 HR TREND..........6 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP TO
20 MPH AFTER MIDNIGHT.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........82-87.
* MIN HUMIDITY...........38-53 PERCENT.
* 20-FOOT WINDS..........WEST WINDS 4 TO 10 MPH. LOCAL GUSTS UP TO
20 MPH IN THE MORNING.
* MIXING HEIGHT..........3100 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ159-210000-
C. SAN JOAQUIN COUNTY INCLUDING STOCKTON-
INCLUDING THE CITY OF STOCKTON, LODI
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........83-88.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........37-42 PERCENT.
* 24 HR TREND..........5 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2700 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........54-59.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........87-93 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........33-44 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ160-210000-
TRACY TRIANGLE BELOW 1000 FT-
INCLUDING THE CITY OF TRACY
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........82-87.
* 24 HR TREND..........6 DEGREES COOLER.
* MIN HUMIDITY...........36-43 PERCENT.
* 24 HR TREND..........7 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH. LOCAL GUSTS UP
TO 20 MPH IN THE AFTERNOON.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........2300 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........73-88 PERCENT.
* 24 HR TREND..........13 PERCENT UP.
* 20-FOOT WINDS..........WEST WINDS 5 TO 11 MPH WITH LOCAL GUSTS UP
TO 20 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........31-40 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH WITH LOCAL
GUSTS UP TO 20 MPH.
* MIXING HEIGHT..........3200 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ161-210000-
NE SAN JOAQUIN VALLEY BELOW 1000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........84-89.
* 24 HR TREND..........LITTLE CHANGE.
* MIN HUMIDITY...........31-37 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 7 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........57-62.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........62-77 PERCENT.
* 24 HR TREND..........8 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY EARLY IN THE MORNING THEN
BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE........83-88.
* MIN HUMIDITY...........31-40 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........3500 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ162-210000-
E. DIABLO RANGE ABOVE 1000 FT-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........77-83.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........29-37 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........53-61.
* 24 HR TREND..........4 DEGREES COOLER.
* MAX HUMIDITY...........57-72 PERCENT.
* 24 HR TREND..........16 PERCENT UP.
* 20-FOOT WINDS..........
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........78-83.
* MIN HUMIDITY...........30-45 PERCENT.
* 20-FOOT WINDS..........
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ163-210000-
W. STANISLAUS COUNTY ABOVE 1000 FT & I-5-
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........83-88.
* 24 HR TREND..........5 DEGREES COOLER.
* MIN HUMIDITY...........34-39 PERCENT.
* 24 HR TREND..........LITTLE CHANGE.
* 20-FOOT WINDS..........NORTH WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3000 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........56-61.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........75-90 PERCENT.
* 24 HR TREND..........17 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS UP TO 8 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........400 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY SUNNY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........31-40 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH SHIFTING TO
THE NORTHEAST 4 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3700 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
CAZ164-210000-
C. STANISLAUS COUNTY INCLUDING MODESTO-
INCLUDING THE CITY OF MODESTO, TURLOCK
202 AM PDT SUN SEP 20 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* MAX TEMPERATURE........84-89.
* 24 HR TREND..........4 DEGREES COOLER.
* MIN HUMIDITY...........34-39 PERCENT.
* 24 HR TREND..........4 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 5 TO 11 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........3100 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE........55-60.
* 24 HR TREND..........LITTLE CHANGE.
* MAX HUMIDITY...........79-94 PERCENT.
* 24 HR TREND..........10 PERCENT UP.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* CWR....................0 PERCENT.
* MIXING HEIGHT..........500 FT AGL.
* CHANCE OF THUNDER......0 PERCENT.
MONDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY
LATE IN THE MORNING THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE........84-89.
* MIN HUMIDITY...........29-41 PERCENT.
* 20-FOOT WINDS..........NORTHWEST WINDS 4 TO 9 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CWR....................0 PERCENT.
* CHANCE OF THUNDER......0 PERCENT.
EXTENDED
...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE
MONDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59. WEST WINDS UP TO
10 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 85. SOUTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 58. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 75 TO 85. NORTHEAST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59. VARIABLE LESS
THAN 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 75 TO 85. SOUTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 59. WEST WINDS UP TO
10 MPH.
...NORTHERN SIERRA AND LASSEN PARK
MONDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 58. NORTHEAST WINDS UP
TO 10 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 84. WEST WINDS 5 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 58. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 77 TO 86. SOUTHWEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60. EAST WINDS UP TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 88. SOUTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61. EAST WINDS UP TO
10 MPH.
...SIERRA NEVADA FOOTHILLS
MONDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 61. EAST WINDS UP TO
10 MPH.
TUESDAY
SUNNY. HIGHS 81 TO 86. SOUTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 63. EAST WINDS UP TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 85 TO 90. VARIABLE LESS THAN
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 65. VARIABLE LESS
THAN 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 87 TO 94. SOUTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 67. EAST WINDS UP TO
10 MPH.
...CENTRAL VALLEY AND DELTA
MONDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 60. SOUTH WINDS 5 TO
15 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 90. SOUTHWEST WINDS 5 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 56 TO 61. SOUTHWEST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 95. VARIABLE LESS THAN
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 63. VARIABLE LESS
THAN 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 92 TO 97. VARIABLE LESS THAN
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 64. VARIABLE LESS THAN
5 MPH.
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