


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
516 FNUS56 KEKA 260735 FWFEKA FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA NATIONAL WEATHER SERVICE Eureka CA 1235 AM PDT Sat Jul 26 2025 .DISCUSSION...Thunderstorm chances decrease this weekend as the upper low moves to the east. Isolated thunderstorms could still occur in the afternoon to evening hours in the Trinity Horn region both Saturday and Sunday with chances significantly less on Sunday. Outside of isolated thunderstorms, winds are generally expected to be fairly light and terrain driven. Interior Temperatures are generally expected to be around or slightly below seasonal normals with highs in the 80s to low 90s. Dry afternoon RHs in the 20s are possible in the eastern portions of the area, but good overnight recoveries are likely. CAZ201-270130- North Coast- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. Patchy fog early in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...68-76 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....68-83 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest 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. Patchy fog after midnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...48-53 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...86-100 percent Ridges/upr slopes....77-92 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 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. Patchy fog early in the morning. * Max Temperature....... Valleys/lwr slopes...69-77 Ridges/upr slopes....63-71 * Min Humidity....... Valleys/lwr slopes...72-82 percent Ridges/upr slopes....65-80 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........2400 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog after midnight. * Min Temperature....... Valleys/lwr slopes...48-52 Ridges/upr slopes....49-54 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....74-89 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. $$ CAZ202-270130- Coastal Mendocino- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy. Patchy fog in the morning. Isolated showers early in the afternoon. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....64-72 * Min Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....63-78 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 mph in the afternoon. * Mixing Height..........1900 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Partly cloudy then becoming mostly cloudy. Patchy fog in the late evening and overnight. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....47-53 * Max Humidity....... Valleys/lwr slopes...90-100 percent Ridges/upr slopes....82-97 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph in the evening...becoming light winds 2 to 4 mph. Ridges/upr slopes....Northwest winds 5 mph. * Mixing Height..........100 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Mostly cloudy then becoming partly cloudy then becoming sunny. Patchy fog in the morning. * Max Temperature....... Valleys/lwr slopes...61-69 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...74-89 percent Ridges/upr slopes....64-74 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........1700 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Mostly clear. Patchy fog in the late evening and overnight. * Min Temperature....... Valleys/lwr slopes...50-53 Ridges/upr slopes....48-54 * Max Humidity....... Valleys/lwr slopes...84-99 percent Ridges/upr slopes....80-95 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. $$ CAZ203-204-270130- Upper Smith-Lower Middle Klamath- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....66-74 * Min Humidity....... Valleys/lwr slopes...48-58 percent Ridges/upr slopes....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest winds 5 to 8 mph. Ridges/upr slopes....Southwest winds 5 to 8 mph. * Mixing Height..........4300 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-54 Ridges/upr slopes....52-55 * Max Humidity....... Valleys/lwr slopes...75-90 percent Ridges/upr slopes....56-71 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....Northwest 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. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...78-86 Ridges/upr slopes....65-73 * Min Humidity....... Valleys/lwr slopes...47-57 percent Ridges/upr slopes....46-56 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 west 5 to 6 mph in the afternoon. * Mixing Height..........5000 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...51-55 Ridges/upr slopes....53-56 * Max Humidity....... Valleys/lwr slopes...71-86 percent Ridges/upr slopes....56-71 percent * 20-Foot Winds... Valleys/lwr slopes...Southwest 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. $$ CAZ211-212-270130- Hoopa-Van Duzen/Mad River- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............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....48-58 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....North winds 5 mph...shifting to the west 5 to 6 mph in the afternoon. * Mixing Height..........4100 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-54 Ridges/upr slopes....49-55 * Max Humidity....... Valleys/lwr slopes...80-95 percent Ridges/upr slopes....64-79 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....Northwest 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. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...79-87 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...34-44 percent Ridges/upr slopes....46-56 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming northwest 5 to 7 mph in the afternoon. Ridges/upr slopes....Variable 2 to 4 mph...becoming 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...51-55 Ridges/upr slopes....49-56 * Max Humidity....... Valleys/lwr slopes...78-93 percent Ridges/upr slopes....64-79 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....Northwest 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. $$ CAZ283-270130- Trinity- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Sunny. Isolated showers in the afternoon. * Chance Lightning.......0% increasing to 20% in the afternoon. * Max Temperature....... Valleys/lwr slopes...83-90 Ridges/upr slopes....69-77 * Min Humidity....... Valleys/lwr slopes...28-36 percent Ridges/upr slopes....40-50 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 4 mph...becoming southeast 5 to 6 mph in the afternoon. Ridges/upr slopes....South winds 5 to 8 mph. * Mixing Height..........7500 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...54-58 Ridges/upr slopes....50-57 * Max Humidity....... Valleys/lwr slopes...67-80 percent Ridges/upr slopes....56-71 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. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...85-91 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...28-35 percent Ridges/upr slopes....38-48 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 1 to 3 mph. Ridges/upr slopes....Variable 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. * Mixing Height..........7800 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...55-59 Ridges/upr slopes....51-58 * Max Humidity....... Valleys/lwr slopes...64-77 percent Ridges/upr slopes....55-70 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. $$ CAZ276-270130- Interior Mendocino- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Partly cloudy then becoming sunny. Patchy fog in the morning. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...75-83 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...52-62 percent Ridges/upr slopes....54-64 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........3200 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. Patchy fog early in the morning. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...50-57 Ridges/upr slopes....50-58 * Max Humidity....... Valleys/lwr slopes...79-94 percent Ridges/upr slopes....72-87 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. Ridges/upr slopes....Northwest winds 5 to 7 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. Patchy fog early in the morning. * Max Temperature....... Valleys/lwr slopes...76-84 Ridges/upr slopes....72-80 * Min Humidity....... Valleys/lwr slopes...46-56 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...Upslope/upvalley 2 to 5 mph...becoming west 5 to 9 mph in the afternoon. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........3700 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Clear. * Min Temperature....... Valleys/lwr slopes...51-57 Ridges/upr slopes....51-59 * Max Humidity....... Valleys/lwr slopes...75-90 percent Ridges/upr slopes....69-84 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ277-270130- W Mendocino NF/E Mendocino Unit- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......10%. * Max Temperature....... Valleys/lwr slopes...80-88 Ridges/upr slopes....70-78 * Min Humidity....... Valleys/lwr slopes...36-46 percent Ridges/upr slopes....45-55 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 7 mph. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........5800 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....54-61 * Max Humidity....... Valleys/lwr slopes...75-90 percent Ridges/upr slopes....59-74 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....Northwest 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. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...82-90 Ridges/upr slopes....71-79 * Min Humidity....... Valleys/lwr slopes...32-41 percent Ridges/upr slopes....39-49 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 southwest 5 to 6 mph in the afternoon. * Mixing Height..........6600 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...51-59 Ridges/upr slopes....55-62 * Max Humidity....... Valleys/lwr slopes...72-87 percent Ridges/upr slopes....55-65 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 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. $$ CAZ264-270130- Lake County Portion of Lake/Napa/Sonoma RU- 1235 AM PDT Sat Jul 26 2025 .TODAY... * Sky/Weather............Sunny. * Chance Lightning.......0%. * Max Temperature....... Valleys/lwr slopes...around 80 Ridges/upr slopes....73-78 * Min Humidity....... Valleys/lwr slopes...39 percent Ridges/upr slopes....41-51 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 6 mph...shifting to the southwest 5 to 7 mph in the afternoon. Ridges/upr slopes....West winds 5 to 8 mph. * Mixing Height..........5400 ft AGL. * Chc of Wetting Rain....0 percent. .TONIGHT... * Sky/Weather............Mostly clear. * Chance Lightning.......0%. * Min Temperature....... Valleys/lwr slopes...around 53 Ridges/upr slopes....60-63 * Max Humidity....... Valleys/lwr slopes...80 percent Ridges/upr slopes....56-67 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY... * Sky/Weather............Sunny. * Max Temperature....... Valleys/lwr slopes...around 82 Ridges/upr slopes....75-80 * Min Humidity....... Valleys/lwr slopes...34 percent Ridges/upr slopes....35-45 percent * 20-Foot Winds... Valleys/lwr slopes...Northwest winds 5 to 7 mph. Ridges/upr slopes....Northwest winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. * Mixing Height..........6000 ft AGL. * Chc of Wetting Rain....0 percent. .SUNDAY NIGHT... * Sky/Weather............Mostly clear. * Min Temperature....... Valleys/lwr slopes...around 54 Ridges/upr slopes....61-64 * Max Humidity....... Valleys/lwr slopes...73 percent Ridges/upr slopes....49-59 percent * 20-Foot Winds... Valleys/lwr slopes...West winds 5 to 8 mph. Ridges/upr slopes....Northwest winds 5 to 8 mph. * Mixing Height..........0 ft AGL. * Chc of Wetting Rain....0 percent. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .MONDAY...Partly cloudy. Patchy fog in the morning. Patchy fog after midnight. Lows in the lower 50s. Highs 61 to 67. Northwest winds 5 mph. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Lows in the lower to mid 50s. Highs 61 to 68. Northwest winds 5 mph. .WEDNESDAY...Mostly cloudy. Lows in the lower to mid 50s. Highs 60 to 67. Northwest winds 5 mph. ...Northwest California Interior... .MONDAY...Clear. Lows 54 to 62. Highs 81 to 92. Northwest winds 5 mph. .TUESDAY...Mostly clear. Lows 56 to 64. Highs 83 to 94. Northwest winds 5 mph. .WEDNESDAY...Mostly clear. Lows 55 to 63. Highs 82 to 93. Northwest winds 5 mph. .6 to 10 DAY OUTLOOK...Thursday July 31 THROUGH Monday August 4, 2025... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka