Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
811
FNUS56 KEKA 180849
FWFEKA
Fire Weather Planning Forecast for Northwest California
National Weather Service Eureka CA
1249 AM PST Tue Nov 18 2025
.DISCUSSION...A brief period of cooler and drier air will last
Tuesday and into Wednesday. Interior Valley fog is likely early
Tuesday morning with more of a likelihood for frosty conditions
Wednesday morning. Another weather system will bring rain and some
gusty southerly winds late Wednesday and into Thursday. Dry and
cool weather is forecast to return late week and into the weekend.
CAZ201-190230-
North Coast-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...50-59.
* Min Humidity...67-82 percent.
* MIXING HEIGHT...2500 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 to 9 mph.
RIDGES...............North winds 5 to 10 mph.
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...38-46.
* Max Humidity...82-97 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
RIDGES...............Northeast winds 6 to 11 mph.
.WEDNESDAY...
* Sky/Weather...Partly cloudy then becoming mostly cloudy.
* Max Temperature...52-61.
* Min Humidity...68-83 percent.
* MIXING HEIGHT...4300 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Southeast winds 6 to 11 mph.
RIDGES...............Southeast winds 6 to 11 mph.
$$
CAZ202-190230-
Coastal Mendocino-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...54-62.
* Min Humidity...72-86 percent.
* MIXING HEIGHT...2000 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Partly cloudy. Patchy fog early in the morning.
* Min Temperature...40-48.
* Max Humidity...88-100 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
RIDGES...............North winds 5 to 8 mph.
.WEDNESDAY...
* Sky/Weather...Partly cloudy then becoming mostly cloudy. Patchy
fog early in the morning.
* Max Temperature...54-62.
* Min Humidity...74-86 percent.
* MIXING HEIGHT...3400 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 5 mph...becoming
south 5 to 8 mph in the afternoon.
RIDGES...............Variable 2 to 4 mph...becoming south 5 to
8 mph in the afternoon.
$$
CAZ203-204-190230-
Upper Smith-Lower Middle Klamath-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...48-58.
* Min Humidity...65-78 percent.
* MIXING HEIGHT...3500 ft AGL.
* SNOW LEVEL...5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northeast winds 5 to 7 mph...shifting to
the northwest 5 to 8 mph in the afternoon.
RIDGES...............Northeast winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...34-42.
* Max Humidity...73-88 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...5200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northeast winds 5 to 8 mph.
RIDGES...............Northeast winds 5 to 9 mph.
.WEDNESDAY...
* Sky/Weather...Sunny then becoming partly cloudy then becoming
mostly cloudy.
* Max Temperature...49-59.
* Min Humidity...64-78 percent.
* MIXING HEIGHT...4900 ft AGL.
* SNOW LEVEL...5300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Southeast winds 5 to 9 mph.
RIDGES...............Southeast winds 6 to 11 mph.
$$
CAZ211-212-190230-
Hoopa-Van Duzen/Mad River-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...48-58.
* Min Humidity...58-73 percent.
* MIXING HEIGHT...3000 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............North winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...35-43.
* Max Humidity...82-97 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 to 7 mph...shifting to the
east 5 mph after midnight.
RIDGES...............North winds 5 to 7 mph...shifting to the
east after midnight.
.WEDNESDAY...
* Sky/Weather...Partly cloudy then becoming mostly cloudy.
* Max Temperature...49-59.
* Min Humidity...65-80 percent.
* MIXING HEIGHT...5300 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 5 mph...becoming
southeast 5 to 9 mph in the afternoon.
RIDGES...............Southeast winds 6 to 11 mph.
$$
CAZ283-190230-
Trinity-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...46-56.
* Min Humidity...64-78 percent.
* MIXING HEIGHT...3300 ft AGL.
* SNOW LEVEL...6600 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 1 to 3 mph.
RIDGES...............North winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Partly cloudy.
* Min Temperature...32-40.
* Max Humidity...83-98 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...6500 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............North winds 5 to 8 mph.
.WEDNESDAY...
* Sky/Weather...Mostly cloudy. Patchy fog late in the morning.
* Max Temperature...42-52.
* Min Humidity...70-85 percent.
* MIXING HEIGHT...4900 ft AGL.
* SNOW LEVEL...6300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Light winds 2 to 4 mph...becoming east 5
to 7 mph in the afternoon.
RIDGES...............Southeast winds 5 to 9 mph.
$$
CAZ276-190230-
Interior Mendocino-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...52-62.
* Min Humidity...67-79 percent.
* MIXING HEIGHT...2800 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
northwest 5 mph in the afternoon.
RIDGES...............Northwest winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Partly cloudy. Patchy fog early in the morning.
* Min Temperature...38-46.
* Max Humidity...87-100 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............North winds 5 to 8 mph.
.WEDNESDAY...
* Sky/Weather...Partly cloudy then becoming mostly cloudy.
* Max Temperature...51-60.
* Min Humidity...71-84 percent.
* MIXING HEIGHT...4400 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
south 5 to 7 mph in the afternoon.
RIDGES...............Variable 2 to 5 mph...becoming south 5 to
8 mph in the afternoon.
$$
CAZ277-190230-
W Mendocino NF/E Mendocino Unit-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...49-59.
* Min Humidity...63-77 percent.
* MIXING HEIGHT...3500 ft AGL.
* SNOW LEVEL...6100 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
west 5 mph in the afternoon.
RIDGES...............North winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...35-43.
* Max Humidity...85-100 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...6600 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............North winds 5 mph.
.WEDNESDAY...
* Sky/Weather...Partly cloudy then becoming mostly cloudy.
* Max Temperature...46-56.
* Min Humidity...71-86 percent.
* MIXING HEIGHT...4900 ft AGL.
* SNOW LEVEL...6400 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
south 5 to 7 mph in the afternoon.
RIDGES...............Variable 2 to 5 mph...becoming south 5 to
8 mph in the afternoon.
$$
CAZ264-190230-
Lake County Portion of Lake/Napa/Sonoma RU-
1249 AM PST Tue Nov 18 2025
.TODAY...
* Sky/Weather...Sunny.
* Max Temperature...53-62.
* Min Humidity...61-76 percent.
* MIXING HEIGHT...3300 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.TONIGHT...
* Sky/Weather...Mostly clear then becoming mostly cloudy. Patchy
fog early in the morning.
* Min Temperature...38-46.
* Max Humidity...91-100 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph...shifting to
the northeast 5 to 6 mph after midnight.
RIDGES...............North winds 5 to 8 mph.
.WEDNESDAY...
* Sky/Weather...Mostly cloudy. Patchy fog early in the morning.
* Max Temperature...49-57.
* Min Humidity...76-88 percent.
* MIXING HEIGHT...3700 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......East winds 5 to 6 mph...shifting to the
south 5 to 8 mph in the afternoon.
RIDGES...............East winds 5 mph...shifting to the south 5
to 9 mph in the afternoon.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.THURSDAY...Rain. Lows 44 to 52. Highs 52 to 60. South winds
5 mph.
.FRIDAY...Partly cloudy. Slight chance of rain. Lows 40 to 48.
Highs 56 to 64. North winds 5 mph.
.SATURDAY...Partly cloudy. Lows 41 to 49. Highs 57 to 65. North
winds 5 mph.
.SUNDAY...Mostly cloudy with slight chance of rain. Lows 41 to
49. Highs 55 to 63.
.MONDAY...Patchy fog in the evening. Mostly cloudy with chance of
rain. Lows 42 to 50. Highs 53 to 61.
...Northwest California Interior...
.THURSDAY...Rain likely. Lows 39 to 47. Highs 48 to 58. South
winds 5 mph.
.FRIDAY...Mostly clear. Slight chance of rain. Lows 35 to 43.
Highs 57 to 66. North winds 5 mph.
.SATURDAY...Mostly clear. Lows 38 to 46. Highs 60 to 68. Winds
generally less than 5 mph.
.SUNDAY...Partly cloudy. Lows 38 to 46. Highs 58 to 67.
.MONDAY...Mostly cloudy with slight chance of rain. Lows 39 to
47. Highs 54 to 63.
.6 to 10 DAY OUTLOOK...Sunday November 23 THROUGH Thursday November 27, 2025...
FOR NW CALIF...NEAR NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
$$
visit us at www.weather.gov/eureka