141 FNUS56 KEKA 012213 FWFEKA Fire Weather Planning Forecast for Northwest California National Weather Service Eureka CA 313 PM PDT Mon Apr 1 2024 .DISCUSSION...Above normal temperatures and drier RH's are expected today under a modest offshore flow. Warming aloft and strong subsidence will increase tonight and Tuesday as the ridge axis aloft over the Pacific NW shifts southeast across NW California. A weak front will approach late on Tuesday, bringing cooling, blustery westerly to northwest winds and a few showers on Wednesday. Temperatures will plummet on Thursday as a cold upper trough moves across the ares. Snow levels are forecast to plunge to 1500 to 2500 feet on Thursday with chance for a few inches of snow by Thursday evening. Precipitation chances will decrease on Friday while temperatures remain chilly; 10 to 20 degrees below early April normals. CAZ201-021315- North Coast- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Mostly clear. * Min Temperature...44-52. * Max Humidity...80-95 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 4300 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......North winds 5 mph...shifting to the east after midnight. RIDGES...............North winds 5 to 8 mph...shifting to the east 5 mph after midnight. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...61-71. * Min Humidity...52-67 percent. * MIXING HEIGHT...2600 ft AGL. * SNOW LEVEL...Above 4300 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Southeast winds 5 mph...shifting to the west in the afternoon. RIDGES...............Southeast winds 5 mph...shifting to the west 5 to 7 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Partly cloudy then becoming mostly cloudy. * Min Temperature...40-48. * Max Humidity...88-100 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 4300 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 5 to 9 mph. RIDGES...............Northwest winds 5 to 10 mph. .WEDNESDAY... * Sky/Weather...Mostly cloudy. Chance of showers through the day. * Max Temperature...44-54. * Min Humidity...67-82 percent. * MIXING HEIGHT...3900 ft AGL. * SNOW LEVEL...3000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 7 to 12 mph. RIDGES...............Northwest winds 7 to 12 mph. $$ CAZ202-021315- Coastal Mendocino- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Mostly clear. * Min Temperature...44-52. * Max Humidity...77-92 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 2200 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 5 mph...shifting to the east after midnight. RIDGES...............North winds 5 mph...shifting to the east after midnight. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...59-68. * Min Humidity...58-73 percent. * MIXING HEIGHT...1600 ft AGL. * SNOW LEVEL...Above 2200 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming southwest 5 to 6 mph in the afternoon. RIDGES...............East winds 5 mph...shifting to the southwest 5 to 6 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Partly cloudy then becoming mostly cloudy. * Min Temperature...44-52. * Max Humidity...92-100 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 2200 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 5 to 8 mph. RIDGES...............Northwest winds 5 to 8 mph. .WEDNESDAY... * Sky/Weather...Mostly cloudy. * Max Temperature...51-59. * Min Humidity...69-79 percent. * MIXING HEIGHT...3300 ft AGL. * SNOW LEVEL...Above 2200 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 7 to 12 mph. RIDGES...............Northwest winds 7 to 12 mph. $$ CAZ203-204-021315- Upper Smith-Lower Middle Klamath- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Clear. * Min Temperature...43-51. * Max Humidity...59-74 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 6000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northeast winds 5 to 8 mph. RIDGES...............Northeast winds 5 to 8 mph. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...64-74. * Min Humidity...43-53 percent. * MIXING HEIGHT...3900 ft AGL. * SNOW LEVEL...Above 6000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......East winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. RIDGES...............East winds 5 to 7 mph...shifting to the southwest 5 to 8 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Partly cloudy then becoming mostly cloudy. * Min Temperature...36-44. * Max Humidity...79-94 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 6000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Southwest winds 5 to 8 mph in the evening...becoming downslope/downvalley 2 to 5 mph. RIDGES...............West winds 5 to 10 mph. .WEDNESDAY... * Sky/Weather...Mostly cloudy. Chance of showers in the morning, then rain likely in the afternoon. Snow showers likely late in the afternoon. * Max Temperature...41-51. * Min Humidity...71-86 percent. * MIXING HEIGHT...3200 ft AGL. * SNOW LEVEL...3300 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 5 to 9 mph. RIDGES...............West winds 5 to 10 mph. $$ CAZ211-212-021315- Hoopa-Van Duzen/Mad River- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Clear. * Min Temperature...43-51. * Max Humidity...72-87 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 5800 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 5 mph...shifting to the east after midnight. RIDGES...............North winds 5 to 8 mph...shifting to the east after midnight. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...65-75. * Min Humidity...38-48 percent. * MIXING HEIGHT...4100 ft AGL. * SNOW LEVEL...Above 5800 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Southeast winds 5 mph...shifting to the west in the afternoon. RIDGES...............East winds 5 to 7 mph...shifting to the southwest in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Mostly clear then becoming mostly cloudy. * Min Temperature...37-45. * Max Humidity...83-98 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 5800 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. RIDGES...............West winds 5 to 8 mph. .WEDNESDAY... * Sky/Weather...Mostly cloudy. Chance of showers through the day. * Max Temperature...43-53. * Min Humidity...59-74 percent. * MIXING HEIGHT...3300 ft AGL. * SNOW LEVEL...3700 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Light winds 2 to 5 mph...becoming northwest 5 to 8 mph in the afternoon. RIDGES...............Northwest winds 6 to 11 mph. $$ CAZ283-021315- Trinity- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Clear. * Min Temperature...38-46. * Max Humidity...67-82 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 8000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Downslope/downvalley 1 to 3 mph. RIDGES...............Northeast winds 5 to 8 mph. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...63-73. * Min Humidity...35-45 percent. * MIXING HEIGHT...5300 ft AGL. * SNOW LEVEL...Above 8000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Upslope/upvalley 1 to 3 mph. RIDGES...............East winds 5 mph...shifting to the south 5 to 7 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Mostly clear. * Min Temperature...36-44. * Max Humidity...79-94 percent. * MIXING HEIGHT...300 ft AGL. * SNOW LEVEL...7800 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Southwest winds 5 to 8 mph. RIDGES...............Southwest winds 5 to 8 mph. .WEDNESDAY... * Sky/Weather...Mostly cloudy. Chance of showers through the day. Chance of snow showers late in the afternoon. * Max Temperature...44-54. * Min Humidity...57-72 percent. * MIXING HEIGHT...4000 ft AGL. * SNOW LEVEL...4700 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 5 to 10 mph. RIDGES...............West winds 6 to 11 mph. $$ CAZ276-021315- Interior Mendocino- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Clear. * Min Temperature...44-52. * Max Humidity...71-86 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 4000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 5 mph in the evening...becoming downslope/downvalley 2 to 4 mph. RIDGES...............North winds 5 mph...shifting to the northeast after midnight. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...67-77. * Min Humidity...41-51 percent. * MIXING HEIGHT...3800 ft AGL. * SNOW LEVEL...Above 4000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming southwest 5 mph in the afternoon. RIDGES...............East winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Mostly clear. * Min Temperature...41-49. * Max Humidity...84-99 percent. * MIXING HEIGHT...300 ft AGL. * SNOW LEVEL...Above 4000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. RIDGES...............West winds 5 to 7 mph in the evening...becoming variable 2 to 4 mph. .WEDNESDAY... * Sky/Weather...Mostly cloudy. * Max Temperature...51-60. * Min Humidity...57-72 percent. * MIXING HEIGHT...3400 ft AGL. * SNOW LEVEL...Above 4000 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northwest winds 6 to 11 mph. RIDGES...............Northwest winds 6 to 11 mph. $$ CAZ277-021315- W Mendocino NF/E Mendocino Unit- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Clear. * Min Temperature...43-51. * Max Humidity...64-79 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 7100 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Downslope/downvalley 1 to 3 mph. RIDGES...............North winds 5 to 9 mph...shifting to the northeast after midnight. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...64-74. * Min Humidity...37-46 percent. * MIXING HEIGHT...4400 ft AGL. * SNOW LEVEL...Above 7100 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Upslope/upvalley 2 to 4 mph...becoming southwest 5 mph in the afternoon. RIDGES...............Northeast winds 5 mph...shifting to the southwest 5 to 7 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Mostly clear. * Min Temperature...38-46. * Max Humidity...77-92 percent. * MIXING HEIGHT...300 ft AGL. * SNOW LEVEL...Above 7100 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 5 to 6 mph in the evening...becoming downslope/downvalley 2 to 4 mph. RIDGES...............West winds 5 to 8 mph in the evening...becoming variable 2 to 5 mph. .WEDNESDAY... * Sky/Weather...Partly cloudy then becoming mostly cloudy. * Max Temperature...49-59. * Min Humidity...53-63 percent. * MIXING HEIGHT...4300 ft AGL. * SNOW LEVEL...5600 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Light winds 2 to 5 mph...becoming west 5 to 8 mph in the afternoon. RIDGES...............West winds 6 to 11 mph. $$ CAZ264-021315- Lake County Portion of Lake/Napa/Sonoma RU- 313 PM PDT Mon Apr 1 2024 .TONIGHT... * Sky/Weather...Clear. * Min Temperature...45-53. * Max Humidity...61-76 percent. * MIXING HEIGHT...400 ft AGL. * SNOW LEVEL...Above 4700 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......North winds 5 to 8 mph. RIDGES...............Northwest winds 5 to 8 mph...shifting to the northeast 5 to 10 mph after midnight. .TUESDAY... * Sky/Weather...Sunny. * Max Temperature...67-76. * Min Humidity...39-46 percent. * MIXING HEIGHT...4100 ft AGL. * SNOW LEVEL...Above 4700 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......Northeast winds 5 to 6 mph...shifting to the southwest in the afternoon. RIDGES...............Northeast winds 5 to 9 mph...shifting to the south 5 to 8 mph in the afternoon. .TUESDAY NIGHT... * Sky/Weather...Mostly clear. * Min Temperature...43-51. * Max Humidity...75-90 percent. * MIXING HEIGHT...300 ft AGL. * SNOW LEVEL...Above 4700 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 6 to 9 mph...shifting to the northwest 5 to 7 mph after midnight. RIDGES...............West winds 5 to 9 mph. .WEDNESDAY... * Sky/Weather...Partly cloudy then becoming mostly cloudy. * Max Temperature...56-66. * Min Humidity...47-57 percent. * MIXING HEIGHT...4400 ft AGL. * SNOW LEVEL...Above 4700 feet. * 20-FOOT WINDS... VALLEYS/SLOPES.......West winds 6 to 11 mph. RIDGES...............West winds 7 to 12 mph. $$ .EXTENDED FORECAST FOR DAYS 3 THROUGH 5... ...Northwest California Coast... .THURSDAY...Mostly cloudy with showers likely. Lows 34 to 42. Highs 46 to 54. Northwest winds 10 mph. .FRIDAY...Mostly cloudy with chance of showers. Lows 34 to 42. Highs 49 to 57. North winds 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows 36 to 44. Highs 49 to 57. Northwest winds 10 mph. .SUNDAY...Mostly cloudy with chance of showers. Lows 37 to 45. Highs 50 to 58. .MONDAY...Partly cloudy with slight chance of showers. Lows 37 to 45. Highs 55 to 63. ...Northwest California Interior... .THURSDAY...Mostly cloudy with chance of showers and snow showers. Lows 30 to 38. Highs 44 to 53. Northwest winds 10 mph. .FRIDAY...Mostly cloudy with chance of showers and snow showers. Lows 29 to 37. Highs 47 to 56. Northwest winds 10 mph. .SATURDAY...Partly cloudy with slight chance of showers. Lows 29 to 37. Highs 48 to 58. Northwest winds 10 mph. .SUNDAY...Mostly cloudy with chance of showers. Lows 33 to 41. Highs 50 to 59. .MONDAY...Mostly clear. Slight chance of showers. Lows 32 to 40. Highs 59 to 68. .6 to 10 DAY OUTLOOK...Sunday April 7 THROUGH Thursday April 11, 2024... FOR NW CALIF...BELOW NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION. $$ visit us at www.weather.gov/eureka