316
FNUS56 KEKA 261045
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
345 AM PDT SAT SEP 26 2026
DISCUSSION
INTERIOR CONDITIONS WILL QUICKLY DRY BACK OUT TODAY
AIDED BY GENTLE NORTHEAST WIND. INTERIOR HIGHS WILL RETURN TO THE
80S WITH MINIMUM RH AS LOW AS 20 PERCENT. THAT SAID, MARINE
INFLUENCE WILL LINGER ALONG SHORE AND IN NEAR COASTAL VALLEYS,
PARTICULARLY IN HUMBOLDT COUNTY. CONDITIONS WILL GRADUALLY WARM
AND DRY INTO EARLY NEXT WEEK WHEN HIGHS WILL PEAK BACK IN THE 90S
AND WITH MARINE INFLUENCE SHALLOWING ALONG SHORE. PREDOMINATELY
NORTHWEST WINDS WILL REMAIN GENTLE THROUGH THIS PERIOD.
CAZ401-270215-
COASTAL DEL NORTE-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...63-68
RIDGES/UPR SLOPES....62-67
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...62-72 PERCENT
RIDGES/UPR SLOPES....63-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........1500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...49-52
RIDGES/UPR SLOPES....47-51
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...86-96 PERCENT
RIDGES/UPR SLOPES....86-96 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 6 MPH...SHIFTING TO THE
EAST AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 7 MPH...SHIFTING TO THE
EAST AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY THEN BECOMING
SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...60-66
RIDGES/UPR SLOPES....58-64
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...66-78 PERCENT
RIDGES/UPR SLOPES....73-83 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....46-49
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79-91 PERCENT
RIDGES/UPR SLOPES....84-94 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ402-270215-
INTERIOR DEL NORTE INCLUDING THE SMITH RIVER VALLEY-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING PARTLY CLOUDY THEN BECOMING
MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...67-74
RIDGES/UPR SLOPES....60-68
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...57-67 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 10 MPH...SHIFTING TO
THE NORTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 10 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....AROUND 50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....63-78 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...65-73
RIDGES/UPR SLOPES....58-66
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...65-75 PERCENT
RIDGES/UPR SLOPES....62-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........4100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-49
RIDGES/UPR SLOPES....44-48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...73-88 PERCENT
RIDGES/UPR SLOPES....58-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ403-270215-
NORTHEASTERN INTERIOR HUMBOLDT AND SOUTHWESTERN SISKIYOU
INCLUDING ORLEANS-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....62-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...25-33 PERCENT
RIDGES/UPR SLOPES....33-43 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 8 MPH...SHIFTING TO
THE WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-53
RIDGES/UPR SLOPES....46-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...68-83 PERCENT
RIDGES/UPR SLOPES....54-64 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-82
RIDGES/UPR SLOPES....61-69
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...30-38 PERCENT
RIDGES/UPR SLOPES....40-50 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTH WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....45-48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 PERCENT
RIDGES/UPR SLOPES....52-62 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE NORTHEAST 5 TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ404-270215-
NORTHERN COASTAL HUMBOLDT-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...61-66
RIDGES/UPR SLOPES....AROUND 58
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...65-80 PERCENT
RIDGES/UPR SLOPES....78 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...47-51
RIDGES/UPR SLOPES....AROUND 48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...92-100 PERCENT
RIDGES/UPR SLOPES....95 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
SOUTH 5 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...59-63
RIDGES/UPR SLOPES....AROUND 55
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...70-83 PERCENT
RIDGES/UPR SLOPES....86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........2200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....AROUND 47
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...89-99 PERCENT
RIDGES/UPR SLOPES....95 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 5 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ405-270215-
NORTHWESTERN INTERIOR HUMBOLDT INCLUDING THE BALD HILLS-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...66-74
RIDGES/UPR SLOPES....61-69
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...61-71 PERCENT
RIDGES/UPR SLOPES....59-69 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........2700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-51
RIDGES/UPR SLOPES....46-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-96 PERCENT
RIDGES/UPR SLOPES....71-86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHEAST AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...62-70
RIDGES/UPR SLOPES....58-65
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...64-79 PERCENT
RIDGES/UPR SLOPES....62-77 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-50
RIDGES/UPR SLOPES....44-49
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....69-84 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE EAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ406-270215-
EASTERN INTERIOR HUMBOLDT INCLUDING WILLOW CREEK AND HOOPA-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...75-83
RIDGES/UPR SLOPES....62-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...32-42 PERCENT
RIDGES/UPR SLOPES....37-47 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........4200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....AROUND 50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...73-88 PERCENT
RIDGES/UPR SLOPES....55-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...72-80
RIDGES/UPR SLOPES....58-66
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...40-50 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-49
RIDGES/UPR SLOPES....45-48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...73-88 PERCENT
RIDGES/UPR SLOPES....55-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ407-270215-
SOUTHWESTERN HUMBOLDT INCLUDING THE KING RANGE AND THE EEL RIVER
VALLEY-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...68-76
RIDGES/UPR SLOPES....59-67
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...45-55 PERCENT
RIDGES/UPR SLOPES....65-75 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........3100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-50
RIDGES/UPR SLOPES....43-48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...86-100 PERCENT
RIDGES/UPR SLOPES....80-95 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...65-73
RIDGES/UPR SLOPES....56-64
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...53-63 PERCENT
RIDGES/UPR SLOPES....67-82 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 12 MPH.
* MIXING HEIGHT..........3000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-49
RIDGES/UPR SLOPES....42-48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...84-97 PERCENT
RIDGES/UPR SLOPES....78-93 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ408-270215-
SOUTHEASTERN INTERIOR HUMBOLDT INCLUDING KNEELAND AND ALDERPOINT-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...67-75
RIDGES/UPR SLOPES....61-68
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...54-64 PERCENT
RIDGES/UPR SLOPES....64-74 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-50
RIDGES/UPR SLOPES....43-49
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...85-100 PERCENT
RIDGES/UPR SLOPES....71-86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...64-72
RIDGES/UPR SLOPES....58-65
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...64-74 PERCENT
RIDGES/UPR SLOPES....73-83 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........4100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FOG EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-49
RIDGES/UPR SLOPES....41-47
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...83-98 PERCENT
RIDGES/UPR SLOPES....71-86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ409-270215-
NORTHWESTERN TRINITY INCLUDING SALYER AND BIG BAR-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....61-69
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...24-32 PERCENT
RIDGES/UPR SLOPES....26-34 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING WEST 5
TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........6100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....45-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...67-82 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-81
RIDGES/UPR SLOPES....59-67
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...28-36 PERCENT
RIDGES/UPR SLOPES....28-36 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
* MIXING HEIGHT..........8500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-48
RIDGES/UPR SLOPES....44-49
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...68-83 PERCENT
RIDGES/UPR SLOPES....47-57 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ410-270215-
NORTHEASTERN TRINITY INCLUDING TRINITY LAKE-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...71-79
RIDGES/UPR SLOPES....59-67
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...18-24 PERCENT
RIDGES/UPR SLOPES....27-35 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTHEAST 5 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTH IN THE AFTERNOON.
* MIXING HEIGHT..........5500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-51
RIDGES/UPR SLOPES....40-48
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...50-59 PERCENT
RIDGES/UPR SLOPES....36-46 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 MPH IN THE EVENING...BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...70-78
RIDGES/UPR SLOPES....57-65
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...20-25 PERCENT
RIDGES/UPR SLOPES....25-33 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 1 TO 3 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 MPH...SHIFTING TO THE SOUTH
5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........8300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-50
RIDGES/UPR SLOPES....39-47
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...56-71 PERCENT
RIDGES/UPR SLOPES....45-55 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ411-270215-
EASTERN TRINITY INCLUDING WEAVERVILLE AND HAYFORK-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...75-81
RIDGES/UPR SLOPES....64-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-24 PERCENT
RIDGES/UPR SLOPES....22-30 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING EAST 5
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........6200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...43-49
RIDGES/UPR SLOPES....46-49
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...58-73 PERCENT
RIDGES/UPR SLOPES....48-58 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-79
RIDGES/UPR SLOPES....62-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...19-25 PERCENT
RIDGES/UPR SLOPES....23-31 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 1 TO 3 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 MPH.
* MIXING HEIGHT..........8500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...41-48
RIDGES/UPR SLOPES....44-47
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...60-75 PERCENT
RIDGES/UPR SLOPES....52-62 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ412-270215-
SOUTHERN TRINITY INCLUDING RUTH LAKE AND THE YOLLA BOLLYS-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...72-80
RIDGES/UPR SLOPES....64-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...31-39 PERCENT
RIDGES/UPR SLOPES....28-36 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
* MIXING HEIGHT..........5100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...44-49
RIDGES/UPR SLOPES....42-49
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...74-89 PERCENT
RIDGES/UPR SLOPES....64-79 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...70-77
RIDGES/UPR SLOPES....62-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...36-46 PERCENT
RIDGES/UPR SLOPES....33-41 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...43-48
RIDGES/UPR SLOPES....40-47
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...70-85 PERCENT
RIDGES/UPR SLOPES....60-75 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ413-270215-
COASTAL MENDOCINO-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...60-68
RIDGES/UPR SLOPES....62-67
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...67-82 PERCENT
RIDGES/UPR SLOPES....58-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........1600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-49
RIDGES/UPR SLOPES....43-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...91-100 PERCENT
RIDGES/UPR SLOPES....85-100 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY. PATCHY DENSE FOG LATE
IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...58-66
RIDGES/UPR SLOPES....59-66
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....62-77 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...44-49
RIDGES/UPR SLOPES....42-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...88-100 PERCENT
RIDGES/UPR SLOPES....83-98 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ414-270215-
NORTHERN INTERIOR MENDOCINO INCLUDING LEGGETT AND WILLITS-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...72-80
RIDGES/UPR SLOPES....66-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...35-45 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT..........4000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...42-49
RIDGES/UPR SLOPES....43-51
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...82-97 PERCENT
RIDGES/UPR SLOPES....71-86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...69-77
RIDGES/UPR SLOPES....63-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...41-51 PERCENT
RIDGES/UPR SLOPES....50-60 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........4800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...41-48
RIDGES/UPR SLOPES....42-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....70-85 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ415-270215-
NORTHEASTERN INTERIOR MENDOCINO INCLUDING COVELO-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-82
RIDGES/UPR SLOPES....63-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...25-31 PERCENT
RIDGES/UPR SLOPES....26-34 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...43-51
RIDGES/UPR SLOPES....47-52
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...69-84 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...72-80
RIDGES/UPR SLOPES....62-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...28-36 PERCENT
RIDGES/UPR SLOPES....30-38 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...41-49
RIDGES/UPR SLOPES....45-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...62-77 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ416-270215-
SOUTHEASTERN INTERIOR MENDOCINO INCLUDING UKIAH AND POTTER VALLEY-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-81
RIDGES/UPR SLOPES....68-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...28-36 PERCENT
RIDGES/UPR SLOPES....30-38 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 5 MPH...BECOMING WEST 5
TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 MPH...SHIFTING TO THE
WEST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-52
RIDGES/UPR SLOPES....50-53
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...74-89 PERCENT
RIDGES/UPR SLOPES....60-75 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...71-78
RIDGES/UPR SLOPES....65-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...32-42 PERCENT
RIDGES/UPR SLOPES....37-47 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...44-51
RIDGES/UPR SLOPES....49-52
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...69-84 PERCENT
RIDGES/UPR SLOPES....58-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ417-270215-
SOUTHWESTERN INTERIOR MENDOCINO INCLUDING BOONVILLE-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...68-76
RIDGES/UPR SLOPES....66-74
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...48-58 PERCENT
RIDGES/UPR SLOPES....50-60 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........3300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY. PATCHY FOG
EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....AROUND 50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...80-95 PERCENT
RIDGES/UPR SLOPES....74-89 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...66-74
RIDGES/UPR SLOPES....63-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...55-65 PERCENT
RIDGES/UPR SLOPES....57-67 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........3200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FOG EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-50
RIDGES/UPR SLOPES....45-50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...76-91 PERCENT
RIDGES/UPR SLOPES....70-85 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ418-270215-
NORTHERN LAKE INCLUDING GRAVELLY VALLEY-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...77-82
RIDGES/UPR SLOPES....63-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...20-27 PERCENT
RIDGES/UPR SLOPES....26-34 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 7 MPH...SHIFTING TO THE
SOUTH 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-53
RIDGES/UPR SLOPES....48-54
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...58-73 PERCENT
RIDGES/UPR SLOPES....43-53 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-81
RIDGES/UPR SLOPES....63-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...24-32 PERCENT
RIDGES/UPR SLOPES....28-36 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 6 MPH IN THE
MORNING...BECOMING UPSLOPE/UPVALLEY 2 TO 4
MPH.
* MIXING HEIGHT..........6300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...43-51
RIDGES/UPR SLOPES....46-53
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...57-72 PERCENT
RIDGES/UPR SLOPES....46-56 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ419-270215-
EASTERN LAKE INCLUDING CLEARLAKE AND MIDDLETOWN-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-80
RIDGES/UPR SLOPES....69-74
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...22-28 PERCENT
RIDGES/UPR SLOPES....26-34 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 7 MPH...SHIFTING TO THE
SOUTHEAST 5 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 9 MPH...SHIFTING TO THE
EAST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-54
RIDGES/UPR SLOPES....49-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....53-68 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...75-79
RIDGES/UPR SLOPES....69-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...28-36 PERCENT
RIDGES/UPR SLOPES....29-37 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE MORNING...BECOMING
UPSLOPE/UPVALLEY 2 TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHEAST 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-53
RIDGES/UPR SLOPES....47-54
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...60-75 PERCENT
RIDGES/UPR SLOPES....54-69 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ420-270215-
SOUTHERN LAKE INCLUDING COBB AND KONOCTI-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-79
RIDGES/UPR SLOPES....68-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...25-33 PERCENT
RIDGES/UPR SLOPES....29-37 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...47-53
RIDGES/UPR SLOPES....52-55
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...65-80 PERCENT
RIDGES/UPR SLOPES....56-66 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY THEN BECOMING PARTLY
CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-77
RIDGES/UPR SLOPES....66-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...31-41 PERCENT
RIDGES/UPR SLOPES....36-46 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTHWEST 5 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........6400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-52
RIDGES/UPR SLOPES....51-54
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...57-71 PERCENT
RIDGES/UPR SLOPES....55-65 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ421-270215-
WESTERN LAKE INCLUDING LAKEPORT-
345 AM PDT SAT SEP 26 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-79
RIDGES/UPR SLOPES....70-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...24-32 PERCENT
RIDGES/UPR SLOPES....27-33 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH...BECOMING WEST 5 TO 8
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...46-52
RIDGES/UPR SLOPES....49-54
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....57-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-77
RIDGES/UPR SLOPES....AROUND 70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...31-39 PERCENT
RIDGES/UPR SLOPES....33-41 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE MORNING...BECOMING
UPSLOPE/UPVALLEY 2 TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........6400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...45-52
RIDGES/UPR SLOPES....48-54
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...61-76 PERCENT
RIDGES/UPR SLOPES....54-64 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
MONDAY
MOSTLY CLEAR. PATCHY FOG IN THE MORNING. LOWS 48 TO 53.
HIGHS 62 TO 68. NORTH WINDS 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 63 TO 71.
NORTH WINDS 5 MPH.
WEDNESDAY
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN
THE LOWER TO MID 50S. HIGHS 62 TO 69. NORTH WINDS 5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
MONDAY
CLEAR. LOWS 50 TO 58. HIGHS 76 TO 85. NORTHWEST WINDS
5 MPH.
TUESDAY
CLEAR. LOWS 50 TO 58. HIGHS 78 TO 91. NORTHWEST WINDS
5 MPH.
WEDNESDAY
CLEAR. LOWS 51 TO 59. HIGHS 79 TO 91. NORTHWEST
WINDS 5 MPH.
6 TO 10 DAY OUTLOOK
THURSDAY OCTOBER 1 THROUGH MONDAY OCTOBER 5, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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