928
FNUS56 KEKA 152039
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
139 PM PDT FRI AUG 15 2025
...GUSTY NORTHWEST WINDS AND DRY CONDITIONS ARE GENERATING
ENHANCED FIRE DANGER ACROSS THE INTERIOR THIS AFTERNOON AND
EVENING...
...SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE THIS WEEKEND IN
TRINITY COUNTY...
DISCUSSION
GUSTY NORTHWEST WINDS BUILDING ACROSS THE INTERIOR
HAS CONTINUED TO PULL IN SUBSTANTIAL MARINE INFLUENCE, COOLING
DOWN HIGHS INTO THE UPPER 80S AND MINIMUM RH AROUND 30 PERCENT.
GUSTS UP TO 30 MPH HAVE ALREADY BEEN OBSERVED EARLY THIS AFTERNOON
WITH SOME ISOLATED GUSTS OVER 40 MPH POSSIBLE THIS EVENING. A
WEAK COLD FRONT WILL PASS THE AREA OVERNIGHT, BRINING MIDLEVEL
CLOUDS AND INCREASED MOISTURE. RH RECOVERY WILL BE VERY HIGH THE
NEXT SEVERAL NIGHTS AT ALL ELEVATIONS WITH VERY LIGHT RAIN ALONG
THE NORTHERN COAST EARLY SATURDAY MORNING. CONDITIONS THIS WEEKEND
WILL BE COOLER, CALMER, AND OR MOIST WITH POTENTIAL FOR SHOWERS
AND SOME THUNDERSTORMS IN TRINITY COUNTY.
CAZ201-161445-
NORTH COAST-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY DENSE FOG THROUGH
THE NIGHT. SLIGHT CHANCE OF SHOWERS IN THE
LATE EVENING AND EARLY MORNING. CHANCE OF
SHOWERS LATE IN THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 60
RIDGES/UPR SLOPES....57-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...90-100 PERCENT
RIDGES/UPR SLOPES....83-98 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
CHANCE OF SHOWERS EARLY IN THE MORNING.
SLIGHT CHANCE OF SHOWERS IN THE LATE
MORNING AND AFTERNOON.
* CHANCE LIGHTNING.......10%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...68-76
RIDGES/UPR SLOPES....63-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...82-97 PERCENT
RIDGES/UPR SLOPES....81-96 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2100 FT AGL.
* CHC OF WETTING RAIN....20 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-55
RIDGES/UPR SLOPES....52-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...87-100 PERCENT
RIDGES/UPR SLOPES....79-94 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............MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...66-74
RIDGES/UPR SLOPES....61-69
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...74-89 PERCENT
RIDGES/UPR SLOPES....72-87 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ202-161445-
COASTAL MENDOCINO-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-59
RIDGES/UPR SLOPES....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...86-100 PERCENT
RIDGES/UPR SLOPES....83-98 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 14 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 14 MPH.
* MIXING HEIGHT..........100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN
THE LATE MORNING AND AFTERNOON.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...65-73
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...84-99 PERCENT
RIDGES/UPR SLOPES....69-84 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........1700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....50-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...86-100 PERCENT
RIDGES/UPR SLOPES....81-96 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG EARLY IN THE MORNING.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...61-69
RIDGES/UPR SLOPES....64-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...79-94 PERCENT
RIDGES/UPR SLOPES....65-80 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ203-204-161445-
UPPER SMITH-LOWER MIDDLE KLAMATH-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS LATE IN THE
EVENING. CHANCE OF SHOWERS AFTER MIDNIGHT.
* CHANCE LIGHTNING.......10%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 60
RIDGES/UPR SLOPES....55-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...85-100 PERCENT
RIDGES/UPR SLOPES....76-91 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 9 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 5 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE LIGHTNING.......20%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...71-79
RIDGES/UPR SLOPES....58-66
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....67-80 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 6
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2600 FT AGL.
* CHC OF WETTING RAIN....20 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-57
RIDGES/UPR SLOPES....54-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-96 PERCENT
RIDGES/UPR SLOPES....70-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS THROUGH THE DAY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...72-80
RIDGES/UPR SLOPES....60-68
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...63-73 PERCENT
RIDGES/UPR SLOPES....56-71 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....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 6
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ211-212-161445-
HOOPA-VAN DUZEN/MAD RIVER-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
CHANCE OF SHOWERS LATE IN THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-60
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...87-100 PERCENT
RIDGES/UPR SLOPES....79-94 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.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY. CHANCE OF SHOWERS THROUGH
THE DAY.
* CHANCE LIGHTNING.......10%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-82
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...54-69 PERCENT
RIDGES/UPR SLOPES....65-80 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 11 MPH.
* MIXING HEIGHT..........3300 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-58
RIDGES/UPR SLOPES....50-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...84-99 PERCENT
RIDGES/UPR SLOPES....77-92 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............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS THROUGH THE DAY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-81
RIDGES/UPR SLOPES....64-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...50-60 PERCENT
RIDGES/UPR SLOPES....59-69 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....NORTH WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ283-161445-
TRINITY-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS LATE IN THE
NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-60
RIDGES/UPR SLOPES....52-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...76-91 PERCENT
RIDGES/UPR SLOPES....68-83 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 8 TO 15 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 12 MPH DECREASING TO
5 TO 9 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
EARLY IN THE MORNING. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
LATE MORNING AND AFTERNOON.
* CHANCE LIGHTNING.......20%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-87
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...39-49 PERCENT
RIDGES/UPR SLOPES....60-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........4700 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-61
RIDGES/UPR SLOPES....51-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-95 PERCENT
RIDGES/UPR SLOPES....74-89 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....10 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...79-84
RIDGES/UPR SLOPES....63-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...36-45 PERCENT
RIDGES/UPR SLOPES....55-65 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHEAST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 MPH...SHIFTING TO THE
SOUTH 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CHC OF WETTING RAIN....20 PERCENT.
CAZ276-161445-
INTERIOR MENDOCINO-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-62
RIDGES/UPR SLOPES....54-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...83-98 PERCENT
RIDGES/UPR SLOPES....79-94 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 19 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 19 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN
THE LATE MORNING AND AFTERNOON.
* CHANCE LIGHTNING.......10%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...76-84
RIDGES/UPR SLOPES....70-78
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...61-71 PERCENT
RIDGES/UPR SLOPES....58-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 7 TO 14 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 14 MPH.
* MIXING HEIGHT..........3200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-59
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...82-97 PERCENT
RIDGES/UPR SLOPES....78-93 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.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...71-79
RIDGES/UPR SLOPES....67-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...59-69 PERCENT
RIDGES/UPR SLOPES....60-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........3400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ277-161445-
W MENDOCINO NF/E MENDOCINO UNIT-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-59
RIDGES/UPR SLOPES....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...81-96 PERCENT
RIDGES/UPR SLOPES....68-83 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 16 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 9 TO 16 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS IN THE LATE MORNING AND AFTERNOON.
* CHANCE LIGHTNING.......20%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...77-85
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...46-56 PERCENT
RIDGES/UPR SLOPES....52-62 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........4800 FT AGL.
* CHC OF WETTING RAIN....10 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS THROUGH THE
NIGHT.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-59
RIDGES/UPR SLOPES....54-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...82-97 PERCENT
RIDGES/UPR SLOPES....74-89 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 10 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...75-83
RIDGES/UPR SLOPES....65-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44-53 PERCENT
RIDGES/UPR SLOPES....56-66 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5
TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ264-161445-
LAKE COUNTY PORTION OF LAKE/NAPA/SONOMA RU-
139 PM PDT FRI AUG 15 2025
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 57
RIDGES/UPR SLOPES....62-65
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...86 PERCENT
RIDGES/UPR SLOPES....60-75 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 11 TO 18 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 18 MPH.
* MIXING HEIGHT..........0 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......10%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 79
RIDGES/UPR SLOPES....72-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...50 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 9 TO 13 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 7 TO 13 MPH.
* MIXING HEIGHT..........5900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 56
RIDGES/UPR SLOPES....60-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...88 PERCENT
RIDGES/UPR SLOPES....66-77 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST 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.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 75
RIDGES/UPR SLOPES....69-73
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44 PERCENT
RIDGES/UPR SLOPES....46-56 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
MONDAY
MOSTLY CLOUDY. PATCHY FOG. LOWS IN THE LOWER 50S. HIGHS
61 TO 68. NORTHWEST WINDS 5 MPH.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE LOWER 50S.
HIGHS 63 TO 69. NORTH WINDS 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 50S. HIGHS
65 TO 72. NORTH WINDS 5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
MONDAY
MOSTLY CLEAR. LOWS 49 TO 57. HIGHS 75 TO 85. WEST WINDS
5 MPH.
TUESDAY
CLEAR. LOWS 50 TO 58. HIGHS 80 TO 90. NORTHWEST WINDS
5 MPH.
WEDNESDAY
CLEAR. LOWS 54 TO 62. HIGHS 86 TO 96. NORTHWEST
WINDS 5 MPH.
6 TO 10 DAY OUTLOOK
THURSDAY AUGUST 21 THROUGH MONDAY AUGUST 25, 2025...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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