028
FNUS56 KEKA 230714
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1214 AM PDT THU OCT 23 2025
DISCUSSION
THE MARINE LAYER HAS GREATLY DEEPENED, BRINGING
HIGHER MARINE INFLUENCE FARTHER INLAND. FARTHER INLAND,
CONDITIONS WILL TURN MUCH DRIER THURSDAY AS MINIMUM RH VALUES
DROP TO THE MID TO LOW 20S WITH SOME ISOLATED TEENS. CONFIDENCE
REMAINS HIGH FOR A MODERATE ATMOSPHERIC RIVER (AR) IMPACTING THE
REGION FRIDAY THROUGH THE WEEKEND. THIS WILL BRING HEAVY
RAINFALL, HIGH- ELEVATION SNOW AND STRONG SOUTHERLY WINDS.
CAZ201-240115-
NORTH COAST-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE...62-72.
* MIN HUMIDITY...49-64 PERCENT.
* MIXING HEIGHT...2600 FT AGL.
* SNOW LEVEL...ABOVE 4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 MPH IN THE AFTERNOON.
RIDGES...............VARIABLE 1 TO 3 MPH.
TONIGHT
* SKY/WEATHER...MOSTLY CLOUDY.
* MIN TEMPERATURE...44-52.
* MAX HUMIDITY...77-92 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......SOUTHEAST WINDS 5 MPH.
RIDGES...............SOUTHEAST WINDS 5 TO 8 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY. RAIN IN THE LATE MORNING AND
AFTERNOON.
* MAX TEMPERATURE...59-69.
* MIN HUMIDITY...61-76 PERCENT.
* MIXING HEIGHT...4800 FT AGL.
* SNOW LEVEL...ABOVE 4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......SOUTH WINDS 6 TO 11 MPH.
RIDGES...............SOUTH WINDS 6 TO 11 MPH.
CAZ202-240115-
COASTAL MENDOCINO-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE...61-70.
* MIN HUMIDITY...52-67 PERCENT.
* MIXING HEIGHT...1800 FT AGL.
* SNOW LEVEL...ABOVE 2200 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
TONIGHT
* SKY/WEATHER...MOSTLY CLOUDY.
* MIN TEMPERATURE...44-52.
* MAX HUMIDITY...85-100 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 2200 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTH WINDS 5 MPH.
RIDGES...............NORTH WINDS 5 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY.
* MAX TEMPERATURE...61-69.
* MIN HUMIDITY...64-79 PERCENT.
* MIXING HEIGHT...2700 FT AGL.
* SNOW LEVEL...ABOVE 2200 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5
TO 6 MPH IN THE AFTERNOON.
CAZ203-204-240115-
UPPER SMITH-LOWER MIDDLE KLAMATH-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...PARTLY CLOUDY.
* MAX TEMPERATURE...61-71.
* MIN HUMIDITY...31-41 PERCENT.
* MIXING HEIGHT...3400 FT AGL.
* SNOW LEVEL...5900 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 1 TO 3 MPH...BECOMING
SOUTHWEST 5 MPH IN THE AFTERNOON.
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5
MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER...MOSTLY CLOUDY.
* MIN TEMPERATURE...43-51.
* MAX HUMIDITY...64-79 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 6000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......SOUTH WINDS 5 TO 8 MPH.
RIDGES...............SOUTH WINDS 5 TO 9 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN IN THE LATE MORNING
AND AFTERNOON.
* MAX TEMPERATURE...55-65.
* MIN HUMIDITY...39-49 PERCENT.
* MIXING HEIGHT...5900 FT AGL.
* SNOW LEVEL...ABOVE 6000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......SOUTH WINDS 7 TO 12 MPH.
RIDGES...............SOUTH WINDS 7 TO 12 MPH.
CAZ211-212-240115-
HOOPA-VAN DUZEN/MAD RIVER-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE...63-73.
* MIN HUMIDITY...24-34 PERCENT.
* MIXING HEIGHT...3300 FT AGL.
* SNOW LEVEL...ABOVE 5800 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 MPH IN THE AFTERNOON.
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING WEST 5 MPH
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE...41-49.
* MAX HUMIDITY...61-76 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 5800 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES...............SOUTH WINDS 5 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY. CHANCE OF RAIN IN THE LATE MORNING
AND AFTERNOON.
* MAX TEMPERATURE...58-68.
* MIN HUMIDITY...37-47 PERCENT.
* MIXING HEIGHT...6000 FT AGL.
* SNOW LEVEL...ABOVE 5800 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......SOUTH WINDS 5 TO 10 MPH.
RIDGES...............SOUTH WINDS 5 TO 10 MPH.
CAZ283-240115-
TRINITY-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE...62-72.
* MIN HUMIDITY...22-30 PERCENT.
* MIXING HEIGHT...4100 FT AGL.
* SNOW LEVEL...7000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 1 TO 3 MPH...BECOMING
SOUTHWEST 5 MPH IN THE AFTERNOON.
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5
MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE...39-47.
* MAX HUMIDITY...51-61 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...7000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......SOUTHWEST WINDS 5 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 1
TO 3 MPH.
RIDGES...............SOUTHWEST WINDS 5 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY.
* MAX TEMPERATURE...56-66.
* MIN HUMIDITY...32-42 PERCENT.
* MIXING HEIGHT...6300 FT AGL.
* SNOW LEVEL...6700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......LIGHT WINDS 2 TO 4 MPH...BECOMING SOUTH 5
TO 7 MPH IN THE AFTERNOON.
RIDGES...............SOUTH WINDS 6 TO 11 MPH.
CAZ276-240115-
INTERIOR MENDOCINO-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE...66-76.
* MIN HUMIDITY...35-45 PERCENT.
* MIXING HEIGHT...3400 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE...41-50.
* MAX HUMIDITY...74-89 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY.
* MAX TEMPERATURE...63-73.
* MIN HUMIDITY...47-57 PERCENT.
* MIXING HEIGHT...4700 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......LIGHT WINDS 2 TO 4 MPH...BECOMING WEST 5
MPH IN THE AFTERNOON.
RIDGES...............NORTH WINDS 5 MPH...SHIFTING TO THE
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
CAZ277-240115-
W MENDOCINO NF/E MENDOCINO UNIT-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE...64-74.
* MIN HUMIDITY...25-33 PERCENT.
* MIXING HEIGHT...4300 FT AGL.
* SNOW LEVEL...ABOVE 7100 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 MPH IN THE AFTERNOON.
RIDGES...............VARIABLE 2 TO 4 MPH...BECOMING WEST 5 MPH
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE...41-50.
* MAX HUMIDITY...52-62 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 7100 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES...............WEST WINDS 5 MPH.
FRIDAY
* SKY/WEATHER...MOSTLY CLOUDY.
* MAX TEMPERATURE...59-69.
* MIN HUMIDITY...30-40 PERCENT.
* MIXING HEIGHT...5500 FT AGL.
* SNOW LEVEL...6900 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES...............SOUTHWEST WINDS 5 TO 9 MPH.
CAZ264-240115-
LAKE COUNTY PORTION OF LAKE/NAPA/SONOMA RU-
1214 AM PDT THU OCT 23 2025
TODAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...69-77.
* MIN HUMIDITY...32-42 PERCENT.
* MIXING HEIGHT...3900 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY.
* MIN TEMPERATURE...45-53.
* MAX HUMIDITY...62-77 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 9 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH.
FRIDAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE...65-74.
* MIN HUMIDITY...32-42 PERCENT.
* MIXING HEIGHT...3700 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 6 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE WEST 5 TO 10 MPH IN THE AFTERNOON.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
SATURDAY
SHOWERS AND ISOLATED THUNDERSTORMS. LOWS 48 TO 56.
HIGHS 55 TO 63. SOUTH WINDS 10 MPH.
SUNDAY
SHOWERS AND ISOLATED THUNDERSTORMS. LOWS 44 TO 52.
HIGHS 54 TO 62. SOUTH WINDS 5 MPH.
MONDAY
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS 45 TO 53. HIGHS
56 TO 65. EAST WINDS 5 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 44 TO 52.
HIGHS 60 TO 68.
WEDNESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS 47 TO
55. HIGHS 61 TO 69.
..NORTHWEST CALIFORNIA INTERIOR
SATURDAY
RAIN. LOWS 46 TO 54. HIGHS 53 TO 64. SOUTHWEST WINDS
10 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 40 TO 48. HIGHS
51 TO 62. SOUTHWEST WINDS 5 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS 41 TO 50. HIGHS
57 TO 69. SOUTHWEST WINDS 5 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS 42 TO
52. HIGHS 65 TO 75.
WEDNESDAY
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS 66 TO 76.
6 TO 10 DAY OUTLOOK
TUESDAY OCTOBER 28 THROUGH SATURDAY NOVEMBER 1, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
VISIT US AT WWW.WEATHER.GOV/EUREKA
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