


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
777 FNUS56 KEKA 251837 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1137 AM PDT Wed Jun 25 2025 .DISCUSSION...Warm and dry conditions continue this week. Afternoon RH`s remains low, into the teens or 20s, while overnight recoveries remain good in the valleys and moderate to good in the higher terrain. Afternoon northwesterly breezes are expected in the interior valleys today through Friday, with gusts up to 20-25 mph possible in the valleys and gusts to 30-35 mph possible in the highest terrain. Late this week into the weekend, a ridge starts to build while an upper-level low develops off the coast. Hotter temperatures are forecast this weekend with highs between the mid 90s to 103. There is considerable uncertainty with southerly moisture transport into the area this weekend. Dry and high based thunderstorms will be possible (10% chance) this weekend over interior mountains, primarily the Trinity Alps and Yolla Bolly mountains. Hot weather is expected to continue on Monday and Tuesday next week. Possible thunderstorms (20% chance) continues on Monday and Tuesday for the Klamath Mountains. CAZ201-261315- North Coast- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy dense fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....around 50 * Max Humidity....... Valleys/lwr slopes...87-100 percent Ridges/upr slopes....79-94 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 12 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. Slight chance of drizzle early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...65-73 Ridges/upr slopes....59-67 * Min Humidity....... Valleys/lwr slopes...73-83 percent Ridges/upr slopes....68-83 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 12 mph. Ridges/upr slopes....Northwest winds 7 to 14 mph. * Mixing Height..........2300 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Partly cloudy. * Min Temperature....... Valleys/lwr slopes...around 50 Ridges/upr slopes....47-52 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....70-85 percent * 20-Foot Winds... Valleys/lwr slopes...North winds 5 to 12 mph. Ridges/upr slopes....North winds 7 to 14 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Max Temperature....... Valleys/lwr slopes...71-79 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...66-76 percent Ridges/upr slopes....65-75 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 14 mph. Ridges/upr slopes....Northwest winds 9 to 16 mph. * Mixing Height..........2300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ202-261315- Coastal Mendocino- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-52 Ridges/upr slopes....47-54 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....74-89 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 12 mph. Ridges/upr slopes....Northwest winds 5 to 12 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Partly cloudy then becoming sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...62-70 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...69-84 percent Ridges/upr slopes....59-69 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 14 mph. Ridges/upr slopes....Northwest winds 7 to 14 mph. * Mixing Height..........1600 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...49-53 Ridges/upr slopes....48-56 * Max Humidity....... Valleys/lwr slopes...73-88 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 6 to 13 mph. Ridges/upr slopes....Northwest winds 6 to 13 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...66-74 Ridges/upr slopes....73-81 * Min Humidity....... Valleys/lwr slopes...62-77 percent Ridges/upr slopes....51-61 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........1500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ203-204-261315- Upper Smith-Lower Middle Klamath- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-53 Ridges/upr slopes....around 50 * Max Humidity....... Valleys/lwr slopes...76-91 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 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. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...73-81 Ridges/upr slopes....61-69 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....52-62 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 9 mph. Ridges/upr slopes....Northwest winds 5 to 6 mph...shifting to the west 5 to 8 mph in the afternoon. * Mixing Height..........3900 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....50-53 * Max Humidity....... Valleys/lwr slopes...67-82 percent Ridges/upr slopes....55-70 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 8 mph...shifting to the north 5 to 6 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...82-90 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...39-49 percent Ridges/upr slopes....43-53 percent * 20-Foot Winds... Valleys/lwr slopes...Northeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. Ridges/upr slopes....Northeast winds 5 to 6 mph...shifting to the northwest 5 to 8 mph in the afternoon. * Mixing Height..........5300 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ211-212-261315- Hoopa-Van Duzen/Mad River- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-52 Ridges/upr slopes....46-52 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...74-82 Ridges/upr slopes....67-75 * Min Humidity....... Valleys/lwr slopes...38-48 percent Ridges/upr slopes....51-61 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 6 to 13 mph. Ridges/upr slopes....Northwest winds 6 to 13 mph. * Mixing Height..........3400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...70-85 percent Ridges/upr slopes....54-69 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....North winds 5 to 10 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...36-46 percent Ridges/upr slopes....44-54 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 14 mph. Ridges/upr slopes....Northwest winds 7 to 14 mph. * Mixing Height..........4500 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ283-261315- Trinity- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-54 Ridges/upr slopes....47-53 * Max Humidity....... Valleys/lwr slopes...59-69 percent Ridges/upr slopes....51-61 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 12 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph decreasing to 5 to 8 mph after midnight. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...84-90 Ridges/upr slopes....68-76 * Min Humidity....... Valleys/lwr slopes...19-24 percent Ridges/upr slopes....35-43 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 6 to 13 mph. Ridges/upr slopes....West winds 6 to 13 mph. * Mixing Height..........6000 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...52-56 Ridges/upr slopes....49-56 * Max Humidity....... Valleys/lwr slopes...54-63 percent Ridges/upr slopes....45-55 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...90-96 Ridges/upr slopes....74-82 * Min Humidity....... Valleys/lwr slopes...18-24 percent Ridges/upr slopes....32-40 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....Northwest winds 5 to 9 mph. * Mixing Height..........7600 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ276-261315- Interior Mendocino- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-56 Ridges/upr slopes....49-57 * Max Humidity....... Valleys/lwr slopes...70-85 percent Ridges/upr slopes....66-81 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 6 to 13 mph. Ridges/upr slopes....Northwest winds 6 to 13 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...43-53 percent Ridges/upr slopes....46-56 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 14 mph. Ridges/upr slopes....Northwest winds 7 to 14 mph. * Mixing Height..........2900 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...50-58 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...60-75 percent Ridges/upr slopes....57-72 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 14 mph. Ridges/upr slopes....Northwest winds 7 to 14 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...84-92 Ridges/upr slopes....79-87 * Min Humidity....... Valleys/lwr slopes...36-46 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........4400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ277-261315- W Mendocino NF/E Mendocino Unit- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...49-56 Ridges/upr slopes....52-60 * Max Humidity....... Valleys/lwr slopes...64-79 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 11 mph. Ridges/upr slopes....Northwest winds 5 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...81-89 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...29-37 percent Ridges/upr slopes....32-40 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 12 mph. Ridges/upr slopes....Northwest winds 5 to 12 mph. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....56-64 * Max Humidity....... Valleys/lwr slopes...57-72 percent Ridges/upr slopes....44-54 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. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...88-96 Ridges/upr slopes....78-86 * Min Humidity....... Valleys/lwr slopes...26-33 percent Ridges/upr slopes....28-36 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 10 mph. Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height..........7400 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ264-261315- Lake County Portion of Lake/Napa/Sonoma RU- 1137 AM PDT Wed Jun 25 2025 .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 53 Ridges/upr slopes....59-63 * Max Humidity....... Valleys/lwr slopes...68 percent Ridges/upr slopes....40-50 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 11 mph. Ridges/upr slopes....Northwest winds 6 to 11 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 81 Ridges/upr slopes....75-79 * Min Humidity....... Valleys/lwr slopes...32 percent Ridges/upr slopes....34-42 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 7 to 12 mph. Ridges/upr slopes....Northwest winds 6 to 12 mph. * Mixing Height..........6400 ft AGL. * Chc of Wetting Rain....0 percent. .THURSDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...around 55 Ridges/upr slopes....61-67 * Max Humidity....... Valleys/lwr slopes...62 percent Ridges/upr slopes....37-47 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 6 to 13 mph. Ridges/upr slopes....Northwest winds 6 to 13 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .FRIDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...around 89 Ridges/upr slopes....84-87 * Min Humidity....... Valleys/lwr slopes...25 percent Ridges/upr slopes....26-34 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........7800 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .SATURDAY...Mostly clear. Lows in the lower to mid 50s. Highs 64 to 73. North winds 5 mph. .SUNDAY...Mostly clear. Patchy fog in the morning. Lows in the lower to mid 50s. Highs 63 to 73. Northwest winds 5 mph. .MONDAY...Partly cloudy. Patchy fog. Lows in the lower to mid 50s. Highs 62 to 70. Northwest winds 5 mph. ...Northwest California Interior... .SATURDAY...Clear. Lows 58 to 66. Highs 88 to 99. Northwest winds 5 mph. .SUNDAY...Clear. Lows 59 to 67. Highs 89 to 101. West winds 5 mph. .MONDAY...Mostly clear. Lows 58 to 66. Highs 85 to 98. West winds 5 mph. .6 to 10 DAY OUTLOOK...Tuesday July 1 THROUGH Saturday July 5, 2025... FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka