681
FNUS56 KEKA 041937
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1237 PM PDT THU SEP 4 2025
...SLIGHT CHANCE OF DRY THUNDERSTORMS IN EASTERN DEL NORTE COUNTY
THIS AFTERNOON AND EVENING...
DISCUSSION
GRADUAL COOLING IS EXPECTED WITH HIGHS MAINLY IN THE
80S BY SATURDAY WITH DIURNAL WINDS AND AFTERNOON GUSTS. THERE IS A
SLIGHT CHANCE OF THUNDERSTORMS IN FAR EASTERN DEL NORTE COUNTY THIS
AFTERNOON AND EVENING. FRIDAY, AN APPROACHING UPPER LEVEL LOW WILL
BRING A CHANCE OF RAIN FOR THE NORTHERN PORTION OF THE AREA,
ESPECIALLY FOR DEL NORTE COUNTY. HIGH TEMPERATURES ARE EXPECTED TO
REMAIN COOL THROUGH THE WEEKEND. MONDAY THERE IS A CHANCE OF WETTING
RAIN WITH HIGHS LIKELY ONLY IN THE 70S. ADDITIONAL SYSTEMS ARE
POSSIBLE TUESDAY AND WEDNESDAY.
CAZ201-051330-
NORTH COAST-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AND DRIZZLE.
* CHANCE LIGHTNING.......10%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-56
RIDGES/UPR SLOPES....52-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...83-98 PERCENT
RIDGES/UPR SLOPES....73-88 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY. PATCHY FOG IN
THE MORNING. PATCHY DRIZZLE IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...69-77
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...72-82 PERCENT
RIDGES/UPR SLOPES....66-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY DRIZZLE IN THE
EVENING. PATCHY DENSE FOG IN THE EVENING.
PATCHY FOG EARLY IN THE MORNING.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-55
RIDGES/UPR SLOPES....52-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...84-99 PERCENT
RIDGES/UPR SLOPES....74-89 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...70-78
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...70-85 PERCENT
RIDGES/UPR SLOPES....64-79 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT..........3400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ202-051330-
COASTAL MENDOCINO-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY DRIZZLE IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG AFTER
MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-57
RIDGES/UPR SLOPES....48-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...89-100 PERCENT
RIDGES/UPR SLOPES....82-97 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
FRIDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG IN THE MORNING. PATCHY DRIZZLE
IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...63-71
RIDGES/UPR SLOPES....66-74
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 PERCENT
RIDGES/UPR SLOPES....63-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........1900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG LATE IN THE EVENING.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....48-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...85-100 PERCENT
RIDGES/UPR SLOPES....79-94 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY. PATCHY FOG IN THE
MORNING.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...66-74
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...69-84 PERCENT
RIDGES/UPR SLOPES....60-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 8 MPH...SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ203-204-051330-
UPPER SMITH-LOWER MIDDLE KLAMATH-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING.
PATCHY SMOKE IN THE LATE EVENING AND
OVERNIGHT.
* CHANCE LIGHTNING.......20% DECREASING TO 0% AFTER MIDNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 60
RIDGES/UPR SLOPES....59-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....50-60 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE EAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY. PATCHY SMOKE UNTIL LATE AFTERNOON.
* CHANCE LIGHTNING.......0% INCREASING TO 20% IN THE AFTERNOON.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....70-78
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........4000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY DRIZZLE IN THE
EVENING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH THE NIGHT. PATCHY
SMOKE IN THE LATE EVENING AND OVERNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-57
RIDGES/UPR SLOPES....55-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...76-91 PERCENT
RIDGES/UPR SLOPES....56-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
SOUTH 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...79-87
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...51-61 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ211-212-051330-
HOOPA-VAN DUZEN/MAD RIVER-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY SMOKE AFTER
MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-58
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...75-90 PERCENT
RIDGES/UPR SLOPES....54-64 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY. PATCHY SMOKE EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...82-90
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...34-44 PERCENT
RIDGES/UPR SLOPES....40-50 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-57
RIDGES/UPR SLOPES....49-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...80-95 PERCENT
RIDGES/UPR SLOPES....66-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY THEN
BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...80-88
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...35-45 PERCENT
RIDGES/UPR SLOPES....42-52 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 MPH...SHIFTING TO THE
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ283-051330-
TRINITY-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......20% DECREASING TO 0% AFTER MIDNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-60
RIDGES/UPR SLOPES....53-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-68 PERCENT
RIDGES/UPR SLOPES....41-51 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...85-91
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...18-23 PERCENT
RIDGES/UPR SLOPES....21-29 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 9 MPH...SHIFTING TO
THE SOUTH IN THE AFTERNOON.
* MIXING HEIGHT..........7000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-58
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...61-76 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE SOUTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-87
RIDGES/UPR SLOPES....67-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...27-35 PERCENT
RIDGES/UPR SLOPES....33-43 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
SOUTHEAST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........9000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ276-051330-
INTERIOR MENDOCINO-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY DRIZZLE LATE IN THE
NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...49-57
RIDGES/UPR SLOPES....51-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79-94 PERCENT
RIDGES/UPR SLOPES....71-86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...45-55 PERCENT
RIDGES/UPR SLOPES....49-59 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........2700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....71-86 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...45-55 PERCENT
RIDGES/UPR SLOPES....48-58 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ277-051330-
W MENDOCINO NF/E MENDOCINO UNIT-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....55-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...83-90
RIDGES/UPR SLOPES....73-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...26-34 PERCENT
RIDGES/UPR SLOPES....23-31 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....53-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...73-88 PERCENT
RIDGES/UPR SLOPES....56-71 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...80-88
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...30-38 PERCENT
RIDGES/UPR SLOPES....34-44 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ264-051330-
LAKE COUNTY PORTION OF LAKE/NAPA/SONOMA RU-
1237 PM PDT THU SEP 4 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 53
RIDGES/UPR SLOPES....59-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...73 PERCENT
RIDGES/UPR SLOPES....48-58 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 82
RIDGES/UPR SLOPES....75-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...30 PERCENT
RIDGES/UPR SLOPES....31-39 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........5000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 53
RIDGES/UPR SLOPES....60-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 80
RIDGES/UPR SLOPES....73-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...34 PERCENT
RIDGES/UPR SLOPES....34-44 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND PATCHY
DRIZZLE. LOWS IN THE LOWER TO MID 50S. HIGHS 64 TO 71. SOUTH
WINDS 5 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID TO
UPPER 50S. HIGHS 63 TO 69. SOUTH WINDS 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER TO MID 50S. HIGHS IN THE 60S. NORTH WINDS 5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
SUNDAY
MOSTLY CLEAR. LOWS 49 TO 57. HIGHS 74 TO 83. WEST WINDS
5 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 51 TO 59. HIGHS 69 TO 78. WEST WINDS
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 49 TO 57. HIGHS 69 TO 77. WEST WINDS
5 MPH.
6 TO 10 DAY OUTLOOK
WEDNESDAY SEPTEMBER 10 THROUGH SUNDAY SEPTEMBER 14, 2025...
FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
VISIT US AT WWW.WEATHER.GOV/EUREKA
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