Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
057
FNUS56 KEKA 040720
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1220 AM PDT Mon Aug 4 2025
...CHANCE OF DRY/WINDY CONDITIONS MOSTLY FOR ZONES 283, 277, AND 264...
.DISCUSSION...A cold front passing over head slowly today will
likely induce stronger westerly to northwesterly winds for our
typically dry and windy areas; Lake, interior Mendocino and
eastern Trinity. This coming week, winds will transition to being
terrain driven. Temperatures are expected to warm through the
week with triple digits inland possible Friday through Sunday
CAZ201-050115-
North Coast-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...66-74
Ridges/upr slopes....61-69
* Min Humidity.......
Valleys/lwr slopes...69-79 percent
Ridges/upr slopes....67-77 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........2900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy. Patchy fog early in the
morning.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-52
Ridges/upr slopes....48-53
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....73-88 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...70-78
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...65-75 percent
Ridges/upr slopes....59-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........2400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...51-55
Ridges/upr slopes....51-57
* Max Humidity.......
Valleys/lwr slopes...81-96 percent
Ridges/upr slopes....70-85 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ202-050115-
Coastal Mendocino-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...61-69
Ridges/upr slopes....64-72
* Min Humidity.......
Valleys/lwr slopes...66-81 percent
Ridges/upr slopes....56-66 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........1900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....46-53
* Max Humidity.......
Valleys/lwr slopes...80-95 percent
Ridges/upr slopes....72-87 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...65-73
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 11 mph.
Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...51-55
Ridges/upr slopes....50-57
* Max Humidity.......
Valleys/lwr slopes...77-92 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ203-204-050115-
Upper Smith-Lower Middle Klamath-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....61-69
* 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....North winds 5 to 6 mph...shifting to the
west 5 to 9 mph in the afternoon.
* Mixing Height..........4300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...50-53
Ridges/upr slopes....51-54
* Max Humidity.......
Valleys/lwr slopes...72-87 percent
Ridges/upr slopes....55-69 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 9 mph in the
evening...becoming downslope/downvalley 2
to 5 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
the northeast 5 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...36-46 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
southwest 5 to 9 mph in the afternoon.
Ridges/upr slopes....North winds 5 mph...shifting to the west 5
to 8 mph in the afternoon.
* Mixing Height..........4900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...53-56
Ridges/upr slopes....55-58
* Max Humidity.......
Valleys/lwr slopes...64-79 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 8 mph...shifting to
the east 5 mph after midnight.
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.
$$
CAZ211-212-050115-
Hoopa-Van Duzen/Mad River-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...75-83
Ridges/upr slopes....66-74
* Min Humidity.......
Valleys/lwr slopes...33-41 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........4000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 50
Ridges/upr slopes....45-53
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....59-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....North winds 6 to 13 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...81-89
Ridges/upr slopes....72-80
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....39-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........4700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...52-55
Ridges/upr slopes....49-56
* Max Humidity.......
Valleys/lwr slopes...69-84 percent
Ridges/upr slopes....55-70 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 10 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ283-050115-
Trinity-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...82-88
Ridges/upr slopes....67-75
* Min Humidity.......
Valleys/lwr slopes...18-23 percent
Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 12 mph.
Ridges/upr slopes....West winds 5 to 12 mph.
* Mixing Height..........6700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-55
Ridges/upr slopes....48-55
* Max Humidity.......
Valleys/lwr slopes...59-70 percent
Ridges/upr slopes....50-60 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph decreasing to 5
mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...87-92
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...20-25 percent
Ridges/upr slopes....27-35 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....Variable 2 to 4 mph...becoming west 5 to 7
mph in the afternoon.
* Mixing Height..........7300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...54-59
Ridges/upr slopes....51-57
* Max Humidity.......
Valleys/lwr slopes...54-64 percent
Ridges/upr slopes....46-56 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 11 mph...shifting to the
southwest 5 to 7 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ276-050115-
Interior Mendocino-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...73-81
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...36-46 percent
Ridges/upr slopes....41-51 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 9 to 16 mph.
Ridges/upr slopes....Northwest winds 9 to 16 mph.
* Mixing Height..........3400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-56
Ridges/upr slopes....49-57
* Max Humidity.......
Valleys/lwr slopes...68-83 percent
Ridges/upr slopes....63-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 8 to 15 mph.
Ridges/upr slopes....Northwest winds 8 to 15 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...80-88
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...35-45 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 13 mph.
Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........4600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ277-050115-
W Mendocino NF/E Mendocino Unit-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...78-86
Ridges/upr slopes....69-77
* Min Humidity.......
Valleys/lwr slopes...22-28 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....West winds 5 to 12 mph.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...48-56
Ridges/upr slopes....52-60
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....47-57 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
the northeast 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...86-94
Ridges/upr slopes....74-82
* Min Humidity.......
Valleys/lwr slopes...23-29 percent
Ridges/upr slopes....24-32 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 10 mph.
Ridges/upr slopes....West winds 5 to 10 mph.
* Mixing Height..........6900 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....56-64
* Max Humidity.......
Valleys/lwr slopes...55-70 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 10 mph.
Ridges/upr slopes....North winds 5 to 10 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ264-050115-
Lake County Portion of Lake/Napa/Sonoma RU-
1220 AM PDT Mon Aug 4 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 77
Ridges/upr slopes....72-76
* Min Humidity.......
Valleys/lwr slopes...24 percent
Ridges/upr slopes....26-34 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 9 to 12 mph.
Ridges/upr slopes....Northwest winds 7 to 12 mph.
* Mixing Height..........5700 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 53
Ridges/upr slopes....57-64
* Max Humidity.......
Valleys/lwr slopes...61 percent
Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 6 to 12 mph.
Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...around 85
Ridges/upr slopes....78-83
* Min Humidity.......
Valleys/lwr slopes...22 percent
Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........6500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TUESDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...around 57
Ridges/upr slopes....64-67
* Max Humidity.......
Valleys/lwr slopes...55 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 10 mph.
Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.WEDNESDAY...Mostly cloudy with slight chance of rain. Patchy fog
after midnight. Lows in the mid to upper 50s. Highs 64 to 70.
Northwest winds 5 mph.
.THURSDAY...Mostly cloudy. Patchy fog in the morning. Lows in the
lower to mid 50s. Highs 63 to 71. Northwest winds 5 mph.
.FRIDAY...Partly cloudy. Lows 54 to 59. Highs 66 to 76. North
winds 5 mph.
...Northwest California Interior...
.WEDNESDAY...Mostly clear. Lows 57 to 65. Highs 81 to 94.
Northwest winds 5 mph.
.THURSDAY...Mostly clear. Lows 60 to 68. Highs 84 to 95.
Northwest winds 5 mph.
.FRIDAY...Mostly clear. Lows 61 to 69. Highs 89 to 100. North
winds 5 mph.
.6 to 10 DAY OUTLOOK...Saturday August 9 THROUGH Wednesday August 13, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
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