294
FNUS56 KEKA 040705
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1205 AM 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 POSSIBLY DROPPING IN TO 70S. ADDITIONAL SYSTEMS ARE
POSSIBLE EARLY TO MID NEXT WEEK.
CAZ201-050115-
NORTH COAST-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............PARTLY CLOUDY. PATCHY FOG IN THE MORNING.
PATCHY DENSE FOG LATE IN THE AFTERNOON.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...70-78
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...71-81 PERCENT
RIDGES/UPR SLOPES....61-71 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY DENSE FOG THROUGH THE NIGHT. PATCHY
DRIZZLE AFTER MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-57
RIDGES/UPR SLOPES....52-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...83-98 PERCENT
RIDGES/UPR SLOPES....73-88 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............MOSTLY 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...72-82 PERCENT
RIDGES/UPR SLOPES....66-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN THROUGH THE NIGHT.
PATCHY FOG IN THE LATE EVENING AND
OVERNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-56
RIDGES/UPR SLOPES....52-59
* 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 IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ202-050115-
COASTAL MENDOCINO-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...64-72
RIDGES/UPR SLOPES....67-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....57-67 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE LATE
EVENING AND OVERNIGHT. PATCHY DRIZZLE IN
THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-57
RIDGES/UPR SLOPES....49-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...88-100 PERCENT
RIDGES/UPR SLOPES....82-97 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...64-72
RIDGES/UPR SLOPES....67-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 PERCENT
RIDGES/UPR SLOPES....63-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........1800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG IN THE LATE EVENING AND
OVERNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....49-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...85-100 PERCENT
RIDGES/UPR SLOPES....78-93 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.
CAZ203-204-050115-
UPPER SMITH-LOWER MIDDLE KLAMATH-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY. AREAS
OF SMOKE THROUGH THE DAY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
* CHANCE LIGHTNING.......0% INCREASING TO 20% IN THE AFTERNOON.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...87-95
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...37-45 PERCENT
RIDGES/UPR SLOPES....29-37 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........8100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. AREAS
OF SMOKE THROUGH THE NIGHT.
* CHANCE LIGHTNING.......20% DECREASING TO 0% AFTER MIDNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-61
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....0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY. AREAS OF SMOKE IN THE MORNING.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 MPH...SHIFTING TO THE
WEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY. SLIGHT CHANCE OF RAIN
THROUGH THE NIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-56
RIDGES/UPR SLOPES....55-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....58-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 5 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ211-212-050115-
HOOPA-VAN DUZEN/MAD RIVER-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...87-95
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...25-33 PERCENT
RIDGES/UPR SLOPES....26-34 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........6600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-58
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 THEN BECOMING PARTLY CLOUDY.
* 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...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........4300 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...81-96 PERCENT
RIDGES/UPR SLOPES....66-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 5 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ283-050115-
TRINITY-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...90-97
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...12-17 PERCENT
RIDGES/UPR SLOPES....19-27 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH...BECOMING 5 TO
9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........9600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-61
RIDGES/UPR SLOPES....54-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...54-68 PERCENT
RIDGES/UPR SLOPES....41-51 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 7 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.
* 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.
* MIXING HEIGHT..........7300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-58
RIDGES/UPR SLOPES....50-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...64-79 PERCENT
RIDGES/UPR SLOPES....52-62 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 5 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 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.
CAZ276-050115-
INTERIOR MENDOCINO-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...36-44 PERCENT
RIDGES/UPR SLOPES....39-49 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........3500 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....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....70-85 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST 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.
FRIDAY
* SKY/WEATHER............PARTLY CLOUDY.
* 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 9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........2900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...77-92 PERCENT
RIDGES/UPR SLOPES....69-84 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.
CAZ277-050115-
W MENDOCINO NF/E MENDOCINO UNIT-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-96
RIDGES/UPR SLOPES....79-87
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-24 PERCENT
RIDGES/UPR SLOPES....17-23 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........7600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-59
RIDGES/UPR SLOPES....56-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...65-80 PERCENT
RIDGES/UPR SLOPES....43-53 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE EAST AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY
* SKY/WEATHER............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...83-91
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...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.
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....55-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 9 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ264-050115-
LAKE COUNTY PORTION OF LAKE/NAPA/SONOMA RU-
1205 AM PDT THU SEP 4 2025
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 90
RIDGES/UPR SLOPES....80-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17 PERCENT
RIDGES/UPR SLOPES....19-27 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........5800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 53
RIDGES/UPR SLOPES....61-65
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...72 PERCENT
RIDGES/UPR SLOPES....46-56 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 6 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............SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 82
RIDGES/UPR SLOPES....75-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...30 PERCENT
RIDGES/UPR SLOPES....31-39 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........4800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 53
RIDGES/UPR SLOPES....57-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78 PERCENT
RIDGES/UPR SLOPES....52-62 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.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. PATCHY FOG IN
THE MORNING. PATCHY FOG. LOWS IN THE LOWER TO MID 50S. HIGHS
64 TO 71. WINDS GENERALLY LESS THAN 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. PATCHY FOG IN THE
MORNING. PATCHY FOG. LOWS IN THE MID TO UPPER 50S. HIGHS 64 TO
72. SOUTHWEST WINDS 5 MPH.
MONDAY
MOSTLY CLOUDY WITH RAIN LIKELY. PATCHY FOG. LOWS IN THE
MID TO UPPER 50S. HIGHS 63 TO 68. SOUTHWEST WINDS 5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
SATURDAY
MOSTLY CLEAR. LOWS 50 TO 58. HIGHS 77 TO 87. WEST
WINDS 5 MPH.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS 52 TO
60. HIGHS 74 TO 84. WEST WINDS 5 MPH.
MONDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 50 TO 58. HIGHS 70 TO 78. WEST WINDS 5 MPH.
6 TO 10 DAY OUTLOOK
TUESDAY SEPTEMBER 9 THROUGH SATURDAY SEPTEMBER 13, 2025...
FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
VISIT US AT WWW.WEATHER.GOV/EUREKA
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