Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
870
FNUS56 KEKA 152012
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
112 PM PDT Tue Jul 15 2025
...ISOLATED DRY LIGHTNING AND GUSTY OUTFLOW WINDS POSSIBLE (10%
CHANCE) NORTHERN TRINITY COUNTY THIS AFTERNOON AND EVENING ZONE
283...
...BREEZY WINDS WEDNESDAY AFTERNOON IN LAKE COUNTY ZONE 264...
.DISCUSSION...Temperatures continue to trend downward this week,
but still conditions remain warm and dry. Overnight RHs generally
improve through the week as the marine layer deepens. There is a
10% chance for dry thunderstorms with gusty outflow winds over
northern Trinity County mountains this afternoon and evening.
Southerly winds will become breezy in Lake and Southern Mendocino
County Wednesday afternoon with a weak shortwave trough along the
coast.
CAZ201-161330-
North Coast-
112 PM PDT Tue Jul 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy dense fog in the
late evening and early morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-56
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....68-83 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 in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...71-79
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...72-82 percent
Ridges/upr slopes....66-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........2000 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog after midnight.
* Min Temperature.......
Valleys/lwr slopes...51-56
Ridges/upr slopes....51-58
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....73-88 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 in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny. Patchy fog early in
the morning.
* Max Temperature.......
Valleys/lwr slopes...68-76
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...70-85 percent
Ridges/upr slopes....66-81 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 6 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6
mph in the afternoon.
* Mixing Height..........2100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ202-161330-
Coastal Mendocino-
112 PM PDT Tue Jul 15 2025
.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight. Slight chance
of rain after midnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....48-54
* Max Humidity.......
Valleys/lwr slopes...89-100 percent
Ridges/upr slopes....82-97 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 mph in the evening...becoming
light winds 2 to 4 mph.
Ridges/upr slopes....Variable 1 to 3 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
then becoming sunny then becoming partly
cloudy. Patchy fog early in the morning.
Slight chance of rain in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-69
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....59-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........1800 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy.
Slight chance of rain in the late evening
and overnight. Patchy fog after midnight.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....48-54
* Max Humidity.......
Valleys/lwr slopes...86-100 percent
Ridges/upr slopes....80-95 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph in the
evening...becoming light winds 2 to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Mostly cloudy then becoming sunny. Patchy
fog in the morning. Slight chance of rain
in the morning.
* Max Temperature.......
Valleys/lwr slopes...63-71
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...72-87 percent
Ridges/upr slopes....61-71 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....Variable 2 to 4 mph...becoming southwest 5
to 6 mph in the afternoon.
* Mixing Height..........1900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ203-204-161330-
Upper Smith-Lower Middle Klamath-
112 PM PDT Tue Jul 15 2025
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...58-65
Ridges/upr slopes....63-66
* Max Humidity.......
Valleys/lwr slopes...56-71 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....North winds 5 to 6 mph...shifting to the
east after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...88-96
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...39-49 percent
Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 6 mph...shifting to
the southwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 to 6 mph...shifting to
the west 5 to 8 mph in the afternoon.
* Mixing Height..........5100 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...59-64
Ridges/upr slopes....60-64
* Max Humidity.......
Valleys/lwr slopes...63-78 percent
Ridges/upr slopes....54-64 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....47-57 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
southwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 7
mph in the afternoon.
* Mixing Height..........5200 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ211-212-161330-
Hoopa-Van Duzen/Mad River-
112 PM PDT Tue Jul 15 2025
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-62
Ridges/upr slopes....58-66
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....Southwest winds 5 to 6 mph...shifting to
the southeast after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...33-43 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....West winds 5 to 9 mph.
* Mixing Height..........4200 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....55-63
* Max Humidity.......
Valleys/lwr slopes...74-89 percent
Ridges/upr slopes....61-76 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
northeast after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...36-46 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
west 5 to 8 mph in the afternoon.
Ridges/upr slopes....East winds 5 to 6 mph...shifting to the
west in the afternoon.
* Mixing Height..........4900 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ283-161330-
Trinity-
112 PM PDT Tue Jul 15 2025
...ISOLATED DRY LIGHTNING AND GUSTY OUTFLOW WINDS POSSIBLE (10%
CHANCE) NORTHERN TRINITY COUNTY THIS AFTERNOON AND EVENING...
.TONIGHT...
* Sky/Weather............Clear. Slight chance of showers and
thunderstorms early in the evening.
* Chance Lightning.......10%.
* Min Temperature.......
Valleys/lwr slopes...57-65
Ridges/upr slopes....58-66
* Max Humidity.......
Valleys/lwr slopes...53-63 percent
Ridges/upr slopes....49-59 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 6 mph...shifting to
the east 5 mph after midnight.
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.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-96
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...17-23 percent
Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
Valleys/lwr slopes...East winds 5 to 8 mph.
Ridges/upr slopes....Southeast winds 5 to 7 mph...shifting to
the south 5 to 8 mph in the afternoon.
* Mixing Height..........6800 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...57-62
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...55-67 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 7 mph...shifting to
the east 5 mph after midnight.
Ridges/upr slopes....South winds 5 to 7 mph...shifting to the
east 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...89-95
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....28-36 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southeast winds 5 to 7 mph.
Ridges/upr slopes....Southeast winds 5 to 8 mph.
* Mixing Height..........8000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ276-161330-
Interior Mendocino-
112 PM PDT Tue Jul 15 2025
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-59
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....71-86 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....West winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 10 mph.
Ridges/upr slopes....Southwest winds 5 to 10 mph.
* Mixing Height..........2800 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Min Temperature.......
Valleys/lwr slopes...51-58
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...78-93 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....West winds 5 to 6 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny then becoming partly cloudy then
becoming sunny. Patchy fog early in the
morning.
* Max Temperature.......
Valleys/lwr slopes...79-87
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...45-55 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming west 5 to 6
mph in the afternoon.
* Mixing Height..........3600 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ277-161330-
W Mendocino NF/E Mendocino Unit-
112 PM PDT Tue Jul 15 2025
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-63
Ridges/upr slopes....60-67
* Max Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....West winds 5 to 7 mph...shifting to the
east 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-94
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...32-40 percent
Ridges/upr slopes....32-40 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 9 mph.
Ridges/upr slopes....Southwest winds 5 to 9 mph.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....57-64
* Max Humidity.......
Valleys/lwr slopes...71-86 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
east after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....77-85
* Min Humidity.......
Valleys/lwr slopes...29-37 percent
Ridges/upr slopes....29-37 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....East winds 5 to 6 mph...shifting to the
south 5 to 7 mph in the afternoon.
* Mixing Height..........6000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ264-161330-
Lake County Portion of Lake/Napa/Sonoma RU-
112 PM PDT Tue Jul 15 2025
...BREEZY WINDS WEDNESDAY AFTERNOON IN LAKE COUNTY...
.TONIGHT...
* Sky/Weather............Clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 56
Ridges/upr slopes....61-66
* Max Humidity.......
Valleys/lwr slopes...77 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 86
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...30 percent
Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
Valleys/lwr slopes...South winds 5 to 7 mph.
Ridges/upr slopes....South winds 5 to 9 mph.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...around 54
Ridges/upr slopes....59-63
* Max Humidity.......
Valleys/lwr slopes...78 percent
Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 mph decreasing to 5 mph
after midnight.
Ridges/upr slopes....Southwest winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.THURSDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...around 85
Ridges/upr slopes....78-83
* Min Humidity.......
Valleys/lwr slopes...26 percent
Ridges/upr slopes....34-42 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
south 5 mph in the afternoon.
Ridges/upr slopes....East winds 5 to 8 mph...shifting to the
south in the afternoon.
* Mixing Height..........5000 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.FRIDAY...Patchy fog. Mostly cloudy with slight chance of rain.
Lows in the lower to mid 50s. Highs 60 to 68. Winds generally
less than 5 mph.
.SATURDAY...Mostly cloudy. Patchy fog. Lows in the lower to mid
50s. Highs 62 to 69. Northwest winds 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
62 to 69. Northwest winds 5 mph.
...Northwest California Interior...
.FRIDAY...Mostly clear. Lows 53 to 61. Highs 82 to 94. Southwest
winds 5 mph.
.SATURDAY...Mostly clear. Lows 54 to 62. Highs 84 to 95. West
winds 5 mph.
.SUNDAY...Clear. Lows 55 to 63. Highs 83 to 94. Northwest winds
5 mph.
.6 to 10 DAY OUTLOOK...Monday July 21 THROUGH Friday July 25, 2025...
FOR NW CALIF...BELOW NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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