Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
025
FNUS56 KEKA 220525
FWFEKA
Fire Weather Planning Forecast for Northwest California
National Weather Service Eureka CA
1025 PM PDT Wed May 21 2025
.DISCUSSION...Cooler temperatures and moist onshore flow expected
for the remainder of this week. Areas of Lake County will be
gusty again Thursday afternoon with min RHs 30 to 40%. Warmer
temperatures in the 70`s and low 80`s expected this weekend. Min
RH`s will still be less than 50% for eastern Mendocino, Lake and
Trinity Counties with good overnight recoveries. Potential for
light rainfall in northern Humboldt and Del Norte counties late
Sunday into Monday.
CAZ201-221330-
North Coast-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Partly cloudy. Slight chance of drizzle after
midnight. Patchy fog late in the night.
* Min Temperature...41-49.
* Max Humidity...81-96 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.THURSDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...58-68.
* Min Humidity...43-53 percent.
* MIXING HEIGHT...4200 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 9 mph.
RIDGES...............Northwest winds 5 to 9 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear then becoming mostly cloudy. Patchy
fog early in the morning.
* Min Temperature...40-48.
* Max Humidity...84-99 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......North winds 5 to 8 mph.
RIDGES...............North winds 5 to 8 mph.
.FRIDAY...
* Sky/Weather...Mostly cloudy then becoming partly cloudy then
becoming sunny. Patchy fog early in the morning.
* Max Temperature...58-68.
* Min Humidity...45-60 percent.
* MIXING HEIGHT...4100 ft AGL.
* SNOW LEVEL...Above 4300 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 5 mph...becoming
northwest 5 to 9 mph in the afternoon.
RIDGES...............Northwest winds 5 to 10 mph.
$$
CAZ202-221330-
Coastal Mendocino-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...41-49.
* Max Humidity...79-94 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.THURSDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...56-66.
* Min Humidity...48-63 percent.
* MIXING HEIGHT...2500 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 9 mph.
RIDGES...............Northwest winds 5 to 9 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...40-48.
* Max Humidity...84-99 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.FRIDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...56-66.
* Min Humidity...53-68 percent.
* MIXING HEIGHT...2900 ft AGL.
* SNOW LEVEL...Above 2200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 9 mph.
RIDGES...............Northwest winds 5 to 9 mph.
$$
CAZ203-204-221330-
Upper Smith-Lower Middle Klamath-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Partly cloudy. Slight chance of drizzle late in the
night.
* Min Temperature...39-47.
* Max Humidity...69-84 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 6000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Southwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............West winds 5 to 7 mph in the
evening...becoming variable 2 to 4 mph.
.THURSDAY...
* Sky/Weather...Sunny.
* Max Temperature...57-67.
* Min Humidity...39-49 percent.
* MIXING HEIGHT...6000 ft AGL.
* SNOW LEVEL...Above 6000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 8 mph.
RIDGES...............West winds 5 to 8 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...39-47.
* Max Humidity...75-89 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 6000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............Northwest winds 5 to 8 mph in the
evening...becoming variable 2 to 5 mph.
.FRIDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...62-72.
* Min Humidity...41-51 percent.
* MIXING HEIGHT...7600 ft AGL.
* SNOW LEVEL...Above 6000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
RIDGES...............Variable 2 to 5 mph...becoming northwest 5
to 8 mph in the afternoon.
$$
CAZ211-212-221330-
Hoopa-Van Duzen/Mad River-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...38-46.
* Max Humidity...67-82 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............Northwest winds 5 to 7 mph in the
evening...becoming variable 2 to 4 mph.
.THURSDAY...
* Sky/Weather...Sunny.
* Max Temperature...58-68.
* Min Humidity...37-47 percent.
* MIXING HEIGHT...5300 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...37-45.
* Max Humidity...80-95 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.FRIDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...60-70.
* Min Humidity...34-44 percent.
* MIXING HEIGHT...6200 ft AGL.
* SNOW LEVEL...Above 5800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
northwest 5 to 6 mph in the afternoon.
RIDGES...............Northwest winds 5 to 9 mph.
$$
CAZ283-221330-
Trinity-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...38-46.
* Max Humidity...53-63 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...7100 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 8 mph.
RIDGES...............West winds 5 to 8 mph.
.THURSDAY...
* Sky/Weather...Sunny.
* Max Temperature...62-72.
* Min Humidity...26-36 percent.
* MIXING HEIGHT...7500 ft AGL.
* SNOW LEVEL...6800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 9 mph.
RIDGES...............West winds 5 to 9 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...39-47.
* Max Humidity...68-83 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...6800 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.FRIDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...64-74.
* Min Humidity...25-35 percent.
* MIXING HEIGHT...9700 ft AGL.
* SNOW LEVEL...6700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 1 to 3 mph...becoming
southwest 5 mph in the afternoon.
RIDGES...............North winds 5 mph...shifting to the west 5
to 8 mph in the afternoon.
$$
CAZ276-221330-
Interior Mendocino-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...41-49.
* Max Humidity...68-83 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 8 mph.
.THURSDAY...
* Sky/Weather...Sunny.
* Max Temperature...63-73.
* Min Humidity...36-46 percent.
* MIXING HEIGHT...4700 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 10 mph.
RIDGES...............Northwest winds 5 to 10 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...39-47.
* Max Humidity...80-95 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 9 mph.
RIDGES...............Northwest winds 5 to 9 mph.
.FRIDAY...
* Sky/Weather...Partly cloudy then becoming sunny.
* Max Temperature...64-74.
* Min Humidity...40-50 percent.
* MIXING HEIGHT...5300 ft AGL.
* SNOW LEVEL...Above 4000 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 8 mph.
RIDGES...............Northwest winds 5 to 9 mph.
$$
CAZ277-221330-
W Mendocino NF/E Mendocino Unit-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...42-50.
* Max Humidity...54-69 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 7100 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
RIDGES...............Northwest winds 5 to 9 mph.
.THURSDAY...
* Sky/Weather...Sunny.
* Max Temperature...61-71.
* Min Humidity...31-41 percent.
* MIXING HEIGHT...6200 ft AGL.
* SNOW LEVEL...6700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 10 mph.
RIDGES...............West winds 5 to 10 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...40-48.
* Max Humidity...74-89 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...6400 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 5 to 10 mph.
RIDGES...............Northwest winds 5 to 10 mph.
.FRIDAY...
* Sky/Weather...Sunny.
* Max Temperature...65-75.
* Min Humidity...33-43 percent.
* MIXING HEIGHT...7300 ft AGL.
* SNOW LEVEL...6200 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
RIDGES...............North winds 5 mph...shifting to the west 5
to 8 mph in the afternoon.
$$
CAZ264-221330-
Lake County Portion of Lake/Napa/Sonoma RU-
1025 PM PDT Wed May 21 2025
.TONIGHT...
* Sky/Weather...Clear.
* Min Temperature...48-56.
* Max Humidity...50-60 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......Northwest winds 6 to 11 mph.
RIDGES...............Northwest winds 7 to 12 mph.
.THURSDAY...
* Sky/Weather...Sunny.
* Max Temperature...68-78.
* Min Humidity...26-34 percent.
* MIXING HEIGHT...5600 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 7 to 12 mph.
RIDGES...............West winds 8 to 13 mph.
.THURSDAY NIGHT...
* Sky/Weather...Mostly clear.
* Min Temperature...43-51.
* Max Humidity...68-83 percent.
* MIXING HEIGHT...0 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 6 to 11 mph.
RIDGES...............Northwest winds 7 to 12 mph.
.FRIDAY...
* Sky/Weather...Sunny.
* Max Temperature...69-79.
* Min Humidity...29-39 percent.
* MIXING HEIGHT...6900 ft AGL.
* SNOW LEVEL...Above 4700 feet.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......West winds 5 to 9 mph.
RIDGES...............West winds 5 to 9 mph.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.SATURDAY...Partly cloudy. Patchy fog. Lows 43 to 51. Highs 57 to
65. Northwest winds 5 mph.
.SUNDAY...Partly cloudy. Patchy fog. Lows 43 to 51. Highs 57 to
65. Northwest winds 5 mph.
.MEMORIAL DAY...Mostly cloudy with slight chance of showers.
Patchy fog. Lows 44 to 52. Highs 58 to 66. Northwest winds 5 mph.
.TUESDAY...Mostly cloudy. Lows 45 to 53. Highs 60 to 69.
.WEDNESDAY...Mostly cloudy. Lows 46 to 54. Highs 59 to 67.
...Northwest California Interior...
.SATURDAY...Mostly clear. Lows 44 to 52. Highs 73 to 86.
Northwest winds 5 mph.
.SUNDAY...Mostly clear. Lows 45 to 53. Highs 71 to 84. West winds
5 mph.
.MEMORIAL DAY...Partly cloudy. Lows 44 to 52. Highs 67 to 79.
West winds 5 mph.
.TUESDAY...Partly cloudy. Lows 45 to 53. Highs 75 to 85.
.WEDNESDAY...Mostly clear. Lows 49 to 57. Highs 74 to 84.
.6 to 10 DAY OUTLOOK...Tuesday May 27 THROUGH Saturday May 31, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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