434
FNUS56 KEKA 050706
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1206 AM PDT FRI SEP 5 2025
DISCUSSION
GRADUAL COOLING CONTINUES, WITH INTERIOR HIGHS
DROPPING MOSTLY INTO THE 80S BY SATURDAY. AN APPROACHING UPPER LOW
IS DEEPENING THE MARINE LAYER AND BRINGS A SLIGHT CHANCE FOR A
SHOWER OVER INTERIOR DEL NORTE THIS AFTERNOON AND EVENING, BUT
PRECIPITATION REMAINS UNLIKELY THROUGH THE WEEKEND OUTSIDE COASTAL
DRIZZLE. WINDS REMAIN DIURNAL AND TERRAIN DRIVEN THROUGH THE
WEEKEND, WITH AFTERNOON BREEZES. MONDAY THERE IS A CHANCE OF WETTING
RAIN, ESPECIALLY IN THE NORTHERN PARTS OF THE AREA, WITH HIGHS
LIKELY ONLY IN THE 70S. ADDITIONAL SYSTEMS WITH CHANCES OF WETTING
RAIN ARE POSSIBLE TUESDAY AND WEDNESDAY.
CAZ201-060115-
NORTH COAST-
1206 AM PDT FRI SEP 5 2025
TODAY
* 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....64-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...73-83 PERCENT
RIDGES/UPR SLOPES....67-82 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG THROUGH THE
NIGHT. PATCHY DRIZZLE LATE IN THE EVENING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-56
RIDGES/UPR SLOPES....52-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...84-99 PERCENT
RIDGES/UPR SLOPES....75-90 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. PATCHY DENSE
FOG LATE IN THE AFTERNOON.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...69-77
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...70-80 PERCENT
RIDGES/UPR SLOPES....60-75 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..........2800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY FOG IN THE LATE
EVENING AND OVERNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-55
RIDGES/UPR SLOPES....51-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-96 PERCENT
RIDGES/UPR SLOPES....70-85 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....WEST WINDS 5 MPH...SHIFTING TO THE EAST
AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ202-060115-
COASTAL MENDOCINO-
1206 AM PDT FRI SEP 5 2025
TODAY
* 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...67-82 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..........2000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....48-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...87-100 PERCENT
RIDGES/UPR SLOPES....81-96 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 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 DENSE FOG.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...65-73
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...62-77 PERCENT
RIDGES/UPR SLOPES....54-64 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..........2000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR. PATCHY FOG.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....48-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...84-99 PERCENT
RIDGES/UPR SLOPES....78-93 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 1
TO 3 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ203-204-060115-
UPPER SMITH-LOWER MIDDLE KLAMATH-
1206 AM PDT FRI SEP 5 2025
TODAY
* SKY/WEATHER............SUNNY. PATCHY SMOKE IN THE MORNING.
* CHANCE LIGHTNING.......10%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....42-52 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........3800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......10%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-57
RIDGES/UPR SLOPES....55-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79-94 PERCENT
RIDGES/UPR SLOPES....56-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...78-86
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...43-53 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH WINDS 5 MPH...SHIFTING TO THE
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-55
RIDGES/UPR SLOPES....53-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...77-92 PERCENT
RIDGES/UPR SLOPES....53-67 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
SOUTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
SOUTH 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ211-212-060115-
HOOPA-VAN DUZEN/MAD RIVER-
1206 AM PDT FRI SEP 5 2025
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....73-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...33-43 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.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-57
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-96 PERCENT
RIDGES/UPR SLOPES....66-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 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............PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...79-87
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...32-40 PERCENT
RIDGES/UPR SLOPES....45-55 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..........5100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-55
RIDGES/UPR SLOPES....48-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-96 PERCENT
RIDGES/UPR SLOPES....65-80 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....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ283-060115-
TRINITY-
1206 AM PDT FRI SEP 5 2025
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...85-91
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-23 PERCENT
RIDGES/UPR SLOPES....20-28 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..........7100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-59
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 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 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-87
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...22-29 PERCENT
RIDGES/UPR SLOPES....29-37 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..........8200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-56
RIDGES/UPR SLOPES....48-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...72-86 PERCENT
RIDGES/UPR SLOPES....57-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE WEST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ276-060115-
INTERIOR MENDOCINO-
1206 AM PDT FRI SEP 5 2025
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...47-57 PERCENT
RIDGES/UPR SLOPES....48-58 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........3000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79-94 PERCENT
RIDGES/UPR SLOPES....72-87 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............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...37-47 PERCENT
RIDGES/UPR SLOPES....40-50 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..........3800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...49-57
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...76-91 PERCENT
RIDGES/UPR SLOPES....69-84 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTH 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ277-060115-
W MENDOCINO NF/E MENDOCINO UNIT-
1206 AM PDT FRI SEP 5 2025
TODAY
* 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....22-30 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...49-57
RIDGES/UPR SLOPES....53-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...72-87 PERCENT
RIDGES/UPR SLOPES....56-71 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...27-33 PERCENT
RIDGES/UPR SLOPES....30-38 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..........6400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...47-55
RIDGES/UPR SLOPES....51-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...74-89 PERCENT
RIDGES/UPR SLOPES....57-72 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....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ264-060115-
LAKE COUNTY PORTION OF LAKE/NAPA/SONOMA RU-
1206 AM PDT FRI SEP 5 2025
TODAY
* 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....32-40 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........5100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 52
RIDGES/UPR SLOPES....60-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...83 PERCENT
RIDGES/UPR SLOPES....53-68 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 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............PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 79
RIDGES/UPR SLOPES....72-78
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...29 PERCENT
RIDGES/UPR SLOPES....31-39 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..........5700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 51
RIDGES/UPR SLOPES....56-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...80 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. PATCHY FOG IN THE
MORNING. PATCHY FOG. LOWS IN THE MID TO UPPER 50S. HIGHS 64 TO
71. SOUTH WINDS 5 MPH.
MONDAY
RAIN. PATCHY FOG. LOWS IN THE MID TO UPPER 50S. HIGHS
63 TO 69. SOUTH WINDS 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH RAIN LIKELY. PATCHY FOG. LOWS IN
THE LOWER TO MID 50S. HIGHS IN THE 60S. NORTH WINDS 5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 50 TO 58.
HIGHS 75 TO 84. WEST WINDS 5 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 50 TO 58. HIGHS
69 TO 78. WEST WINDS 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 48 TO 56.
HIGHS 69 TO 76. 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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