Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6
593
FNUS56 KEKA 060714
FWFEKA

FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1214 AM PDT Wed Aug 6 2025

...GUSTY WEST TO NORTHWEST WINDS AND LOW HUMIDITY FOR ZONES 283,
277 AND 264 EACH AFTERNOON AND EVENING THROUGH THURSDAY...

.DISCUSSION...Seasonable temperatures and low humidity are forecast
through Thursday. Gusty afternoon breezes are forecast again today.
Another dry trough is forecast to enhance afternoon breezes Wednesday
into Thursday. Dry offshore flow is expected for the higher terrain
and ridges of Del Norte and Humboldt counties Friday morning through
Sunday morning. These easterly to northeasterly winds could gust to
30 mph or more over exposed terrain. Triple digit heat and lower
RH`s are forecast to return Friday and persist during the weekend
and into early next week.


CAZ201-070115-
North Coast-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...71-79
    Ridges/upr slopes....66-74
* Min Humidity.......
    Valleys/lwr slopes...72-82 percent
    Ridges/upr slopes....65-80 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 12 mph.
    Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........2700 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Mostly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...54-58
    Ridges/upr slopes....54-58
* Max Humidity.......
    Valleys/lwr slopes...86-100 percent
    Ridges/upr slopes....79-94 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.

.THURSDAY...
* Sky/Weather............Partly cloudy.
* Max Temperature.......
    Valleys/lwr slopes...73-81
    Ridges/upr slopes....69-77
* Min Humidity.......
    Valleys/lwr slopes...71-81 percent
    Ridges/upr slopes....65-80 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 6 to 13 mph.
    Ridges/upr slopes....Northwest winds 8 to 15 mph.
* Mixing Height..........2600 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
    Valleys/lwr slopes...52-57
    Ridges/upr slopes....52-58
* Max Humidity.......
    Valleys/lwr slopes...72-87 percent
    Ridges/upr slopes....60-75 percent
* 20-Foot Winds...
    Valleys/lwr slopes...North winds 7 to 14 mph.
    Ridges/upr slopes....North winds 7 to 14 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ202-070115-
Coastal Mendocino-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy then
                         becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...68-76
    Ridges/upr slopes....73-81
* Min Humidity.......
    Valleys/lwr slopes...63-78 percent
    Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 12 mph.
    Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........1600 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...54-57
    Ridges/upr slopes....52-59
* Max Humidity.......
    Valleys/lwr slopes...82-97 percent
    Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 12 mph.
    Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
    Valleys/lwr slopes...67-75
    Ridges/upr slopes....72-80
* Min Humidity.......
    Valleys/lwr slopes...70-85 percent
    Ridges/upr slopes....58-68 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 11 mph.
    Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........1700 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
    Valleys/lwr slopes...53-56
    Ridges/upr slopes....54-59
* Max Humidity.......
    Valleys/lwr slopes...78-93 percent
    Ridges/upr slopes....70-85 percent
* 20-Foot Winds...
    Valleys/lwr slopes...North winds 5 to 10 mph.
    Ridges/upr slopes....North winds 5 to 10 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ203-204-070115-
Upper Smith-Lower Middle Klamath-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Mostly cloudy then becoming partly cloudy
                         then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...79-87
    Ridges/upr slopes....65-73
* Min Humidity.......
    Valleys/lwr slopes...45-55 percent
    Ridges/upr slopes....43-53 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
                         northwest 5 to 9 mph in the afternoon.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
                         then becoming partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...54-57
    Ridges/upr slopes....54-57
* Max Humidity.......
    Valleys/lwr slopes...78-93 percent
    Ridges/upr slopes....64-79 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 north 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY...
* Sky/Weather............Sunny then becoming partly cloudy.
* Max Temperature.......
    Valleys/lwr slopes...85-93
    Ridges/upr slopes....71-79
* Min Humidity.......
    Valleys/lwr slopes...26-34 percent
    Ridges/upr slopes....32-40 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northeast winds 5 to 7 mph...shifting to
                         the west 5 to 8 mph in the afternoon.
    Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........5900 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
    Valleys/lwr slopes...54-57
    Ridges/upr slopes....55-58
* Max Humidity.......
    Valleys/lwr slopes...52-62 percent
    Ridges/upr slopes....40-50 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northeast winds 7 to 14 mph.
    Ridges/upr slopes....Northeast winds 7 to 14 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ211-212-070115-
Hoopa-Van Duzen/Mad River-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...80-88
    Ridges/upr slopes....70-78
* Min Humidity.......
    Valleys/lwr slopes...35-45 percent
    Ridges/upr slopes....41-51 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 6 to 13 mph.
    Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........4300 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy then becoming mostly cloudy
                         then becoming partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...54-57
    Ridges/upr slopes....49-56
* Max Humidity.......
    Valleys/lwr slopes...81-96 percent
    Ridges/upr slopes....71-86 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.

.THURSDAY...
* Sky/Weather............Sunny then becoming partly cloudy then
                         becoming sunny.
* Max Temperature.......
    Valleys/lwr slopes...84-92
    Ridges/upr slopes....75-83
* Min Humidity.......
    Valleys/lwr slopes...33-43 percent
    Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 6 to 13 mph.
    Ridges/upr slopes....Northwest winds 6 to 13 mph.
* Mixing Height..........5500 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
    Valleys/lwr slopes...55-60
    Ridges/upr slopes....54-61
* Max Humidity.......
    Valleys/lwr slopes...59-74 percent
    Ridges/upr slopes....53-63 percent
* 20-Foot Winds...
    Valleys/lwr slopes...North winds 6 to 13 mph.
    Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
                         the northeast 5 to 7 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ283-070115-
Trinity-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...86-91
    Ridges/upr slopes....70-78
* Min Humidity.......
    Valleys/lwr slopes...21-26 percent
    Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
    Valleys/lwr slopes...West winds 5 to 11 mph.
    Ridges/upr slopes....West winds 5 to 11 mph.
* Mixing Height..........6900 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...54-58
    Ridges/upr slopes....50-57
* Max Humidity.......
    Valleys/lwr slopes...69-80 percent
    Ridges/upr slopes....58-73 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Southwest winds 5 to 11 mph.
    Ridges/upr slopes....Northwest winds 5 to 9 mph decreasing to 5
                         to 7 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY...
* Sky/Weather............Sunny then becoming partly cloudy.
* Max Temperature.......
    Valleys/lwr slopes...89-95
    Ridges/upr slopes....74-82
* Min Humidity.......
    Valleys/lwr slopes...20-25 percent
    Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 8 mph.
    Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........8100 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Partly cloudy.
* Min Temperature.......
    Valleys/lwr slopes...57-61
    Ridges/upr slopes....52-60
* Max Humidity.......
    Valleys/lwr slopes...47-57 percent
    Ridges/upr slopes....41-51 percent
* 20-Foot Winds...
    Valleys/lwr slopes...North winds 5 to 9 mph.
    Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ276-070115-
Interior Mendocino-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...82-90
    Ridges/upr slopes....77-85
* Min Humidity.......
    Valleys/lwr slopes...35-45 percent
    Ridges/upr slopes....38-48 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 7 to 14 mph.
    Ridges/upr slopes....Northwest winds 7 to 14 mph.
* Mixing Height..........4100 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...53-60
    Ridges/upr slopes....54-62
* Max Humidity.......
    Valleys/lwr slopes...72-87 percent
    Ridges/upr slopes....67-82 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 7 to 14 mph.
    Ridges/upr slopes....Northwest winds 7 to 14 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
    Valleys/lwr slopes...83-91
    Ridges/upr slopes....79-87
* Min Humidity.......
    Valleys/lwr slopes...39-49 percent
    Ridges/upr slopes....41-51 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 11 mph.
    Ridges/upr slopes....Northwest winds 5 to 11 mph.
* Mixing Height..........5100 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
    Valleys/lwr slopes...58-66
    Ridges/upr slopes....58-66
* Max Humidity.......
    Valleys/lwr slopes...60-75 percent
    Ridges/upr slopes....57-72 percent
* 20-Foot Winds...
    Valleys/lwr slopes...North winds 5 to 11 mph.
    Ridges/upr slopes....North winds 5 to 11 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ277-070115-
W Mendocino NF/E Mendocino Unit-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy then
                         becoming sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...85-93
    Ridges/upr slopes....75-83
* Min Humidity.......
    Valleys/lwr slopes...22-29 percent
    Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 12 mph.
    Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........6500 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...52-60
    Ridges/upr slopes....56-64
* Max Humidity.......
    Valleys/lwr slopes...65-80 percent
    Ridges/upr slopes....50-60 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.

.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
    Valleys/lwr slopes...88-96
    Ridges/upr slopes....77-85
* Min Humidity.......
    Valleys/lwr slopes...25-32 percent
    Ridges/upr slopes....27-35 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 10 mph.
    Ridges/upr slopes....West winds 5 to 10 mph.
* Mixing Height..........7800 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
    Valleys/lwr slopes...57-65
    Ridges/upr slopes....61-69
* Max Humidity.......
    Valleys/lwr slopes...53-68 percent
    Ridges/upr slopes....42-52 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 11 mph...shifting to
                         the northeast 5 to 7 mph after midnight.
    Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to
                         the northeast 5 to 7 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$

CAZ264-070115-
Lake County Portion of Lake/Napa/Sonoma RU-
1214 AM PDT Wed Aug 6 2025

.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
    Valleys/lwr slopes...around 87
    Ridges/upr slopes....81-84
* Min Humidity.......
    Valleys/lwr slopes...22 percent
    Ridges/upr slopes....23-31 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 6 to 12 mph.
    Ridges/upr slopes....Northwest winds 5 to 12 mph.
* Mixing Height..........7100 ft AGL.
* Chc of Wetting Rain....0 percent.

.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
    Valleys/lwr slopes...around 57
    Ridges/upr slopes....63-67
* Max Humidity.......
    Valleys/lwr slopes...64 percent
    Ridges/upr slopes....43-53 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.

.THURSDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
    Valleys/lwr slopes...around 88
    Ridges/upr slopes....82-86
* Min Humidity.......
    Valleys/lwr slopes...24 percent
    Ridges/upr slopes....26-34 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 9 mph.
    Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........7300 ft AGL.
* Chc of Wetting Rain....0 percent.

.THURSDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
    Valleys/lwr slopes...around 63
    Ridges/upr slopes....70-73
* Max Humidity.......
    Valleys/lwr slopes...50 percent
    Ridges/upr slopes....35-45 percent
* 20-Foot Winds...
    Valleys/lwr slopes...Northwest winds 5 to 9 mph.
    Ridges/upr slopes....Northwest winds 5 to 9 mph...shifting to
                         the north 5 to 10 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.


$$


.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...

...Northwest California Coast...
.FRIDAY...Mostly clear. Lows in the mid to upper 50s. Highs 67 to
77. North winds 5 mph.
.SATURDAY...Partly cloudy. Lows 53 to 58. Highs 67 to 78.
Northwest winds 5 mph.
.SUNDAY...Mostly cloudy. Lows 53 to 58. Highs 66 to 74. Winds
generally less than 5 mph.

...Northwest California Interior...
.FRIDAY...Mostly clear. Lows 62 to 70. Highs 91 to 101. North
winds 5 mph.
.SATURDAY...Mostly clear. Lows 60 to 68. Highs 90 to 101. West
winds 5 mph.
.SUNDAY...Mostly clear. Lows 60 to 68. Highs 89 to 102. Southwest
winds 5 mph.

.6 to 10 DAY OUTLOOK...Monday August 11 THROUGH Friday August 15, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.

$$

visit us at www.weather.gov/eureka