185
FNUS56 KEKA 200543
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1043 PM PDT MON MAY 19 2025
DISCUSSION
WARMER AND DRIER WEATHER EXPECTED THROUGH MID-WEEK.
MIN-RH VALUES IN THE 20 TO 30% RANGE EXPECTED IN EASTERN PORTIONS OF
TRINITY, MENDOCINO AND LAKE COUNTY WITH TERRAIN-DRIVEN WINDS. COOLER
TEMPERATURES AND MOIST ONSHORE FLOW EXPECTED LATE THIS WEEK.
CAZ201-201315-
NORTH COAST-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN EARLY IN THE
EVENING.
* MIN TEMPERATURE...42-50.
* MAX HUMIDITY...86-99 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH.
TUESDAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE...56-66.
* MIN HUMIDITY...40-50 PERCENT.
* MIXING HEIGHT...3600 FT AGL.
* SNOW LEVEL...4100 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 6 TO 11 MPH.
RIDGES...............NORTHWEST WINDS 7 TO 12 MPH.
TUESDAY NIGHT
* SKY/WEATHER...PARTLY CLOUDY.
* MIN TEMPERATURE...40-48.
* MAX HUMIDITY...81-96 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTH WINDS 6 TO 11 MPH.
RIDGES...............NORTH WINDS 6 TO 11 MPH.
WEDNESDAY
* SKY/WEATHER...PARTLY CLOUDY THEN BECOMING SUNNY THEN BECOMING
PARTLY CLOUDY.
* MAX TEMPERATURE...62-72.
* MIN HUMIDITY...33-43 PERCENT.
* MIXING HEIGHT...3800 FT AGL.
* SNOW LEVEL...ABOVE 4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH.
CAZ202-201315-
COASTAL MENDOCINO-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY.
* MIN TEMPERATURE...41-49.
* MAX HUMIDITY...83-98 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 2200 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 6 TO 11 MPH.
RIDGES...............NORTHWEST WINDS 6 TO 11 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...57-67.
* MIN HUMIDITY...42-52 PERCENT.
* MIXING HEIGHT...2400 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.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...40-48.
* MAX HUMIDITY...77-92 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 2200 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 6 TO 11 MPH.
RIDGES...............NORTHWEST WINDS 6 TO 11 MPH.
WEDNESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...62-72.
* MIN HUMIDITY...39-49 PERCENT.
* MIXING HEIGHT...2400 FT AGL.
* SNOW LEVEL...ABOVE 2200 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 9 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH.
CAZ203-204-201315-
UPPER SMITH-LOWER MIDDLE KLAMATH-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN EARLY IN THE
EVENING.
* MIN TEMPERATURE...36-44.
* MAX HUMIDITY...81-93 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...4400 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......WEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES...............WEST WINDS 5 TO 8 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...59-69.
* MIN HUMIDITY...37-47 PERCENT.
* MIXING HEIGHT...5800 FT AGL.
* SNOW LEVEL...4300 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 MPH IN THE AFTERNOON.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...40-48.
* MAX HUMIDITY...65-80 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...5700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......WEST WINDS 5 MPH...SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER...SUNNY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE...65-75.
* MIN HUMIDITY...30-40 PERCENT.
* MIXING HEIGHT...7700 FT AGL.
* SNOW LEVEL...5800 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHEAST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES...............NORTHEAST WINDS 5 TO 8 MPH...SHIFTING TO
THE NORTHWEST IN THE AFTERNOON.
CAZ211-212-201315-
HOOPA-VAN DUZEN/MAD RIVER-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN EARLY IN THE
EVENING.
* MIN TEMPERATURE...37-45.
* MAX HUMIDITY...80-95 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...4600 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 9 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...58-68.
* MIN HUMIDITY...22-32 PERCENT.
* MIXING HEIGHT...4000 FT AGL.
* SNOW LEVEL...4600 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 10 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...38-46.
* MAX HUMIDITY...71-86 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 5800 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTH WINDS 5 TO 9 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH...SHIFTING TO
THE NORTH 5 TO 7 MPH AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...65-75.
* MIN HUMIDITY...24-34 PERCENT.
* MIXING HEIGHT...5900 FT AGL.
* SNOW LEVEL...ABOVE 5800 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
NORTHWEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES...............NORTH WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 9 MPH IN THE AFTERNOON.
CAZ283-201315-
TRINITY-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...35-43.
* MAX HUMIDITY...59-74 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...4900 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......WEST WINDS 6 TO 11 MPH.
RIDGES...............WEST WINDS 6 TO 11 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...63-73.
* MIN HUMIDITY...19-27 PERCENT.
* MIXING HEIGHT...6300 FT AGL.
* SNOW LEVEL...4900 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......WEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...39-47.
* MAX HUMIDITY...54-69 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...7100 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...69-79.
* MIN HUMIDITY...17-25 PERCENT.
* MIXING HEIGHT...9500 FT AGL.
* SNOW LEVEL...7000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES...............NORTH WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
CAZ276-201315-
INTERIOR MENDOCINO-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...40-48.
* MAX HUMIDITY...77-92 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 10 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...68-78.
* MIN HUMIDITY...29-39 PERCENT.
* MIXING HEIGHT...3400 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 10 MPH.
RIDGES...............NORTHWEST WINDS 6 TO 11 MPH.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...41-49.
* MAX HUMIDITY...68-83 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 9 MPH.
RIDGES...............NORTH WINDS 5 TO 9 MPH.
WEDNESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...73-83.
* MIN HUMIDITY...26-36 PERCENT.
* MIXING HEIGHT...5300 FT AGL.
* SNOW LEVEL...ABOVE 4000 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 9 MPH.
CAZ277-201315-
W MENDOCINO NF/E MENDOCINO UNIT-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...CLEAR.
* MIN TEMPERATURE...40-48.
* MAX HUMIDITY...58-73 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...5400 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 6 TO 11 MPH.
RIDGES...............NORTHWEST WINDS 6 TO 11 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...68-78.
* MIN HUMIDITY...19-27 PERCENT.
* MIXING HEIGHT...5300 FT AGL.
* SNOW LEVEL...5400 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 8 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...44-54.
* MAX HUMIDITY...53-63 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 7100 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTH 5 MPH AFTER MIDNIGHT.
RIDGES...............NORTHWEST WINDS 5 TO 8 MPH.
WEDNESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...72-82.
* MIN HUMIDITY...20-28 PERCENT.
* MIXING HEIGHT...7100 FT AGL.
* SNOW LEVEL...ABOVE 7100 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTH WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 7 MPH IN THE AFTERNOON.
RIDGES...............NORTH WINDS 5 TO 7 MPH...SHIFTING TO THE
WEST 5 TO 9 MPH IN THE AFTERNOON.
CAZ264-201315-
LAKE COUNTY PORTION OF LAKE/NAPA/SONOMA RU-
1043 PM PDT MON MAY 19 2025
TONIGHT
* SKY/WEATHER...CLEAR.
* MIN TEMPERATURE...46-54.
* MAX HUMIDITY...54-64 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 8 TO 13 MPH.
RIDGES...............NORTHWEST WINDS 8 TO 13 MPH.
TUESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...74-84.
* MIN HUMIDITY...18-26 PERCENT.
* MIXING HEIGHT...5900 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 10 MPH.
RIDGES...............NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
* SKY/WEATHER...MOSTLY CLEAR.
* MIN TEMPERATURE...48-56.
* MAX HUMIDITY...52-62 PERCENT.
* MIXING HEIGHT...0 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTHWEST WINDS 5 TO 9 MPH.
RIDGES...............NORTHWEST WINDS 6 TO 11 MPH.
WEDNESDAY
* SKY/WEATHER...SUNNY.
* MAX TEMPERATURE...78-88.
* MIN HUMIDITY...18-26 PERCENT.
* MIXING HEIGHT...6600 FT AGL.
* SNOW LEVEL...ABOVE 4700 FEET.
* 20-FOOT WINDS...
VALLEYS/SLOPES.......NORTH WINDS 5 TO 7 MPH...SHIFTING TO THE
WEST 6 TO 9 MPH IN THE AFTERNOON.
RIDGES...............NORTHWEST WINDS 5 TO 10 MPH.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
THURSDAY
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 43 TO
51. HIGHS 56 TO 64. NORTHWEST WINDS 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS 42 TO 50. HIGHS 56 TO 64. NORTHWEST
WINDS 5 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 42 TO 50. HIGHS 58 TO 66. NORTH
WINDS 5 MPH.
SUNDAY
PARTLY CLOUDY. PATCHY FOG. LOWS 42 TO 50. HIGHS 59 TO
67.
MEMORIAL DAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. PATCHY
FOG IN THE MORNING. LOWS 44 TO 52. HIGHS 59 TO 67.
..NORTHWEST CALIFORNIA INTERIOR
THURSDAY
MOSTLY CLEAR. LOWS 44 TO 54. HIGHS 67 TO 80.
NORTHWEST WINDS 5 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 41 TO 49. HIGHS 66 TO 79. NORTHWEST
WINDS 5 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 43 TO 51. HIGHS 72 TO 85.
NORTHWEST WINDS 5 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 46 TO 54. HIGHS 76 TO 86.
MEMORIAL DAY
PARTLY CLOUDY. LOWS 47 TO 55. HIGHS 72 TO 82.
6 TO 10 DAY OUTLOOK...SUNDAY MAY 25 THROUGH THURSDAY MAY 29, 2025
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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