Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
540
FNUS56 KEKA 300752
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE Eureka CA
1252 AM PDT Sat Aug 30 2025
...ELEVATED FIRE WEATHER THREAT DUE TO LOW RH AND BREEZY WEST
WINDS IN 277, 283 and 264 THIS WEEKEND IN THE AFTERNOON AND
EVENING...
.DISCUSSION...Dry weather will continue through early next week,
with low daytime RH in areas well away from the coast. Winds will
generally be diurnally and terrain driven. Over the weekend a
a period of enhance afternoon winds with gusts to 25 mph is
expected. Next week a warming and drying trend is expected with high
temperatures are expected to peak in the upper 90s to near 105
across the interior valleys Tuesday and Wednesday. There is also a
slight chance of afternoon and evening thunderstorms Tuesday and
Wednesday mainly in northern Trinity county.
CAZ201-310200-
North Coast-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
dense fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...74-82
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...64-74 percent
Ridges/upr slopes....54-64 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Partly cloudy.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...49-55
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...75-90 percent
Ridges/upr slopes....63-78 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...72-80
Ridges/upr slopes....68-76
* Min Humidity.......
Valleys/lwr slopes...61-71 percent
Ridges/upr slopes....51-61 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 mph...shifting to the
northwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 7 mph...shifting to
the northwest 5 to 8 mph in the afternoon.
* Mixing Height..........2500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...50-55
Ridges/upr slopes....51-58
* Max Humidity.......
Valleys/lwr slopes...79-94 percent
Ridges/upr slopes....69-84 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 9 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ202-310200-
Coastal Mendocino-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny. Patchy fog early in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...70-78
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...61-71 percent
Ridges/upr slopes....45-55 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Variable 2 to 4 mph...becoming northwest 5
to 6 mph in the afternoon.
* Mixing Height..........1400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...51-57
Ridges/upr slopes....50-58
* Max Humidity.......
Valleys/lwr slopes...73-88 percent
Ridges/upr slopes....63-78 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....North winds 5 to 7 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...69-77
Ridges/upr slopes....73-81
* Min Humidity.......
Valleys/lwr slopes...57-67 percent
Ridges/upr slopes....43-53 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
northwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....Northwest winds 5 to 7 mph.
* Mixing Height..........1500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear. Patchy fog early in the
morning.
* Min Temperature.......
Valleys/lwr slopes...51-54
Ridges/upr slopes....48-56
* Max Humidity.......
Valleys/lwr slopes...83-98 percent
Ridges/upr slopes....75-90 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........100 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ203-204-310200-
Upper Smith-Lower Middle Klamath-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny then becoming partly cloudy. Areas
of smoke in the morning.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....71-79
* Min Humidity.......
Valleys/lwr slopes...29-37 percent
Ridges/upr slopes....27-35 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....Southeast winds 5 to 6 mph...shifting to
the west in the afternoon.
* Mixing Height..........5100 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Areas of smoke in the late
evening and overnight.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...54-57
Ridges/upr slopes....56-59
* Max Humidity.......
Valleys/lwr slopes...56-71 percent
Ridges/upr slopes....40-50 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....Northwest winds 5 to 6 mph...shifting to
the northeast 5 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....70-78
* Min Humidity.......
Valleys/lwr slopes...30-38 percent
Ridges/upr slopes....29-37 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....Northeast winds 5 mph...shifting to the
west 5 to 6 mph in the afternoon.
* Mixing Height..........4300 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Clear.
* Min Temperature.......
Valleys/lwr slopes...55-58
Ridges/upr slopes....around 60
* Max Humidity.......
Valleys/lwr slopes...60-75 percent
Ridges/upr slopes....48-58 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 8 mph...shifting to the
northeast 5 mph after midnight.
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.
$$
CAZ211-212-310200-
Hoopa-Van Duzen/Mad River-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...87-95
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...22-30 percent
Ridges/upr slopes....26-34 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
northwest 5 to 8 mph in the afternoon.
Ridges/upr slopes....East winds 5 mph...shifting to the west 5
to 6 mph in the afternoon.
* Mixing Height..........5300 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-57
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...59-74 percent
Ridges/upr slopes....44-54 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny.
* Max Temperature.......
Valleys/lwr slopes...84-92
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....29-37 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....Northeast winds 5 mph...shifting to the
west 5 to 6 mph in the afternoon.
* Mixing Height..........4400 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...53-58
Ridges/upr slopes....51-59
* Max Humidity.......
Valleys/lwr slopes...65-80 percent
Ridges/upr slopes....54-64 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 7 mph...shifting to
the northeast 5 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to
the northeast 5 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ283-310200-
Trinity-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny. Patchy smoke late in the afternoon.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...91-97
Ridges/upr slopes....76-84
* Min Humidity.......
Valleys/lwr slopes...13-16 percent
Ridges/upr slopes....15-22 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
south 5 to 6 mph in the afternoon.
Ridges/upr slopes....Southeast winds 5 mph...shifting to the
south 5 to 6 mph in the afternoon.
* Mixing Height..........9200 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear. Patchy smoke.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...55-60
Ridges/upr slopes....54-61
* Max Humidity.......
Valleys/lwr slopes...47-57 percent
Ridges/upr slopes....35-45 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny. Patchy
smoke in the morning.
* Max Temperature.......
Valleys/lwr slopes...92-97
Ridges/upr slopes....75-83
* Min Humidity.......
Valleys/lwr slopes...12-15 percent
Ridges/upr slopes....13-19 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
south 5 mph in the afternoon.
Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to
the south in the afternoon.
* Mixing Height..........7700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...55-61
Ridges/upr slopes....54-61
* Max Humidity.......
Valleys/lwr slopes...46-56 percent
Ridges/upr slopes....37-47 percent
* 20-Foot Winds...
Valleys/lwr slopes...Southwest winds 5 mph...shifting to the
northwest after midnight.
Ridges/upr slopes....West winds 5 to 6 mph...shifting to the
north 5 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ276-310200-
Interior Mendocino-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...85-93
Ridges/upr slopes....81-89
* Min Humidity.......
Valleys/lwr slopes...27-35 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming
west 5 to 8 mph in the afternoon.
Ridges/upr slopes....North winds 5 mph...shifting to the west 5
to 8 mph in the afternoon.
* Mixing Height..........5600 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....54-62
* Max Humidity.......
Valleys/lwr slopes...54-69 percent
Ridges/upr slopes....52-62 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...83-91
Ridges/upr slopes....79-87
* Min Humidity.......
Valleys/lwr slopes...28-36 percent
Ridges/upr slopes....30-38 percent
* 20-Foot Winds...
Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming
west 5 to 7 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 6 mph...shifting to the
west 5 to 7 mph in the afternoon.
* Mixing Height..........3800 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....53-61
* Max Humidity.......
Valleys/lwr slopes...62-77 percent
Ridges/upr slopes....59-74 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 8 mph.
Ridges/upr slopes....North winds 5 to 8 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ277-310200-
W Mendocino NF/E Mendocino Unit-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...89-97
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...15-20 percent
Ridges/upr slopes....15-20 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....Southeast winds 5 mph...shifting to the
southwest 5 to 8 mph in the afternoon.
* Mixing Height..........8000 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...52-60
Ridges/upr slopes....57-65
* Max Humidity.......
Valleys/lwr slopes...48-58 percent
Ridges/upr slopes....31-41 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 8 mph...shifting to the
northeast 5 to 6 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Partly cloudy then becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...88-96
Ridges/upr slopes....78-86
* Min Humidity.......
Valleys/lwr slopes...13-20 percent
Ridges/upr slopes....13-18 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....Northeast winds 5 mph...shifting to the
southwest 5 to 7 mph in the afternoon.
* Mixing Height..........6500 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...53-61
Ridges/upr slopes....59-66
* Max Humidity.......
Valleys/lwr slopes...51-61 percent
Ridges/upr slopes....36-46 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 5 to 7 mph in the
evening...becoming downslope/downvalley 2
to 4 mph.
Ridges/upr slopes....West winds 5 to 8 mph...shifting to the
north 5 mph after midnight.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
CAZ264-310200-
Lake County Portion of Lake/Napa/Sonoma RU-
1252 AM PDT Sat Aug 30 2025
.TODAY...
* Sky/Weather............Sunny.
* Chance Lightning.......0%.
* Max Temperature.......
Valleys/lwr slopes...around 90
Ridges/upr slopes....84-87
* Min Humidity.......
Valleys/lwr slopes...14 percent
Ridges/upr slopes....14-20 percent
* 20-Foot Winds...
Valleys/lwr slopes...North winds 5 to 6 mph...shifting to the
west 5 to 8 mph in the afternoon.
Ridges/upr slopes....North winds 5 to 7 mph...shifting to the
west 5 to 10 mph in the afternoon.
* Mixing Height..........9400 ft AGL.
* Chc of Wetting Rain....0 percent.
.TONIGHT...
* Sky/Weather............Mostly clear.
* Chance Lightning.......0%.
* Min Temperature.......
Valleys/lwr slopes...around 57
Ridges/upr slopes....65-69
* Max Humidity.......
Valleys/lwr slopes...42 percent
Ridges/upr slopes....29-37 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 9 mph.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY...
* Sky/Weather............Sunny then becoming partly cloudy then
becoming sunny.
* Max Temperature.......
Valleys/lwr slopes...around 88
Ridges/upr slopes....83-86
* Min Humidity.......
Valleys/lwr slopes...13 percent
Ridges/upr slopes....15-20 percent
* 20-Foot Winds...
Valleys/lwr slopes...Northwest winds 5 to 8 mph.
Ridges/upr slopes....Northwest winds 5 to 8 mph...shifting to
the west 5 to 7 mph in the afternoon.
* Mixing Height..........6700 ft AGL.
* Chc of Wetting Rain....0 percent.
.SUNDAY NIGHT...
* Sky/Weather............Mostly clear.
* Min Temperature.......
Valleys/lwr slopes...around 57
Ridges/upr slopes....64-69
* Max Humidity.......
Valleys/lwr slopes...48 percent
Ridges/upr slopes....31-41 percent
* 20-Foot Winds...
Valleys/lwr slopes...West winds 6 to 9 mph...shifting to the
north 6 mph after midnight.
Ridges/upr slopes....Northwest winds 5 to 9 mph.
* Mixing Height..........0 ft AGL.
* Chc of Wetting Rain....0 percent.
$$
.EXTENDED FORECAST FOR DAYS 3 THROUGH 5...
...Northwest California Coast...
.LABOR DAY...Partly cloudy. Patchy fog in the morning. Lows in
the lower to mid 50s. Highs 64 to 72. North winds 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower to mid 50s. Highs
66 to 74. North winds 5 mph.
.WEDNESDAY...Mostly cloudy. Patchy fog after midnight. Lows in
the lower to mid 50s. Highs 65 to 74. Winds generally less than
5 mph.
...Northwest California Interior...
.LABOR DAY...Clear. Lows 60 to 68. Highs 88 to 99. Northwest
winds 5 mph.
.TUESDAY...Mostly clear. Lows 60 to 68. Highs 90 to 100. West
winds 5 mph.
.WEDNESDAY...Mostly clear. Lows 58 to 66. Highs 89 to 99.
Southwest winds 5 mph.
.6 to 10 DAY OUTLOOK...Thursday September 4 THROUGH Monday September 8, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
$$
visit us at www.weather.gov/eureka