608
FNUS56 KEKA 160744
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1244 AM PDT SUN AUG 16 2026
DISCUSSION
A TROUGHING PATTERN CONTINUES TO BRING A DEEP
MARINE LAYER WITH MARINE STRATUS REACHING FARTHER INLAND. SLIGHTLY
BELOW NORMAL TEMPERATURES CONTINUE FOR THE NEXT WEEK WITH HIGH
80S TO MID 90S FORECAST FOR MOST INTERIOR VALLEYS. AFTERNOON
RELATIVE HUMIDITIES ARE FORECAST TO BE IN THE HIGH TEENS TO THE
20S. OVERNIGHT RECOVERIES ARE FORECAST TO BE GOOD TO EXCELLENT IN
THE LOWER ELEVATIONS AND MODERATE TO LOCALLY POOR IN THE HIGHER
ELEVATIONS. WINDS REMAIN RELATIVELY LIGHT AND TERRAIN DRIVEN, WITH
TYPICAL BREEZES IN THE AFTERNOONS.
CAZ401-170115-
COASTAL DEL NORTE-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...65-73
RIDGES/UPR SLOPES....66-71
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...69-81 PERCENT
RIDGES/UPR SLOPES....72-82 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING WEST 5
TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 6
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........1600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG LATE IN THE
EVENING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-55
RIDGES/UPR SLOPES....51-55
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...91-100 PERCENT
RIDGES/UPR SLOPES....90-100 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....SOUTHWEST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* MIXING HEIGHT..........500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...62-68
RIDGES/UPR SLOPES....62-68
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...71-84 PERCENT
RIDGES/UPR SLOPES....72-82 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHWEST 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..........1400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-54
RIDGES/UPR SLOPES....49-53
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...94-100 PERCENT
RIDGES/UPR SLOPES....93-100 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE EVENING...BECOMING
LIGHT WINDS 1 TO 3 MPH.
RIDGES/UPR SLOPES....VARIABLE 1 TO 3 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ402-170115-
INTERIOR DEL NORTE INCLUDING THE SMITH RIVER VALLEY-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...75-83
RIDGES/UPR SLOPES....74-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...64-74 PERCENT
RIDGES/UPR SLOPES....59-69 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
* MIXING HEIGHT..........3800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-61
RIDGES/UPR SLOPES....57-65
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...72-87 PERCENT
RIDGES/UPR SLOPES....59-74 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH...SHIFTING TO THE NORTH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...72-80
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...66-76 PERCENT
RIDGES/UPR SLOPES....61-71 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING WEST 5
TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....54-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...76-91 PERCENT
RIDGES/UPR SLOPES....65-80 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE EVENING...BECOMING
DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ403-170115-
NORTHEASTERN INTERIOR HUMBOLDT AND SOUTHWESTERN SISKIYOU
INCLUDING ORLEANS-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY. PATCHY SMOKE.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...88-96
RIDGES/UPR SLOPES....74-82
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...21-29 PERCENT
RIDGES/UPR SLOPES....31-39 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....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE UNTIL EARLY
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...58-64
RIDGES/UPR SLOPES....61-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...59-74 PERCENT
RIDGES/UPR SLOPES....45-55 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 5 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...87-95
RIDGES/UPR SLOPES....74-82
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...20-28 PERCENT
RIDGES/UPR SLOPES....29-37 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 5 MPH...BECOMING
SOUTHWEST 5 TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........9200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-62
RIDGES/UPR SLOPES....59-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...62-77 PERCENT
RIDGES/UPR SLOPES....48-58 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 5 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ404-170115-
NORTHERN COASTAL HUMBOLDT-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...65-72
RIDGES/UPR SLOPES....AROUND 65
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...72-87 PERCENT
RIDGES/UPR SLOPES....79 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........1500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY DENSE FOG IN THE
LATE EVENING AND OVERNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....AROUND 52
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...90-100 PERCENT
RIDGES/UPR SLOPES....92 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............CLOUDY THEN BECOMING PARTLY CLOUDY. PATCHY
FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...61-68
RIDGES/UPR SLOPES....AROUND 60
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....78 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 5 MPH...BECOMING WEST 5
TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH...BECOMING NORTHWEST 5
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........1500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE LATE
EVENING AND EARLY MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-55
RIDGES/UPR SLOPES....AROUND 51
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...93-100 PERCENT
RIDGES/UPR SLOPES....95 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....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ405-170115-
NORTHWESTERN INTERIOR HUMBOLDT INCLUDING THE BALD HILLS-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AND SMOKE IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-82
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...64-74 PERCENT
RIDGES/UPR SLOPES....59-69 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........2600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-61
RIDGES/UPR SLOPES....55-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...75-90 PERCENT
RIDGES/UPR SLOPES....62-77 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 MPH...SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY
SMOKE EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...71-79
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...63-73 PERCENT
RIDGES/UPR SLOPES....58-68 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING WEST 5
TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
* MIXING HEIGHT..........2400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-58
RIDGES/UPR SLOPES....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79-94 PERCENT
RIDGES/UPR SLOPES....66-81 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE EVENING...BECOMING
DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 MPH IN THE EVENING...BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ406-170115-
EASTERN INTERIOR HUMBOLDT INCLUDING WILLOW CREEK AND HOOPA-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
AREAS OF SMOKE.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...82-89
RIDGES/UPR SLOPES....75-82
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...30-38 PERCENT
RIDGES/UPR SLOPES....32-40 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 MPH...SHIFTING TO THE
NORTHWEST 5 TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH...SHIFTING TO
THE WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. AREAS OF SMOKE.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 60
RIDGES/UPR SLOPES....61-65
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...57-72 PERCENT
RIDGES/UPR SLOPES....43-53 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE SOUTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY
SMOKE.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...84-92
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...29-37 PERCENT
RIDGES/UPR SLOPES....32-40 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 5 MPH...BECOMING WEST 5
TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.
AREAS OF SMOKE EARLY IN THE EVENING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-59
RIDGES/UPR SLOPES....59-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...64-79 PERCENT
RIDGES/UPR SLOPES....46-56 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 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ407-170115-
SOUTHWESTERN HUMBOLDT INCLUDING THE KING RANGE AND THE EEL RIVER
VALLEY-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...79-87
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....61-71 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........3300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-59
RIDGES/UPR SLOPES....56-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...72-87 PERCENT
RIDGES/UPR SLOPES....61-76 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-82
RIDGES/UPR SLOPES....64-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...46-56 PERCENT
RIDGES/UPR SLOPES....63-73 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 7 MPH.
* MIXING HEIGHT..........2500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-57
RIDGES/UPR SLOPES....52-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...80-95 PERCENT
RIDGES/UPR SLOPES....70-85 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ408-170115-
SOUTHEASTERN INTERIOR HUMBOLDT INCLUDING KNEELAND AND ALDERPOINT-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...78-86
RIDGES/UPR SLOPES....73-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...54-64 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..........4500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-60
RIDGES/UPR SLOPES....56-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...70-85 PERCENT
RIDGES/UPR SLOPES....57-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY
SMOKE EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-81
RIDGES/UPR SLOPES....67-75
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...52-62 PERCENT
RIDGES/UPR SLOPES....62-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 5 MPH...BECOMING WEST 5
TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-57
RIDGES/UPR SLOPES....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...78-93 PERCENT
RIDGES/UPR SLOPES....63-78 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....WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ409-170115-
NORTHWESTERN TRINITY INCLUDING SALYER AND BIG BAR-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY. PATCHY
SMOKE.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...86-91
RIDGES/UPR SLOPES....75-83
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...19-27 PERCENT
RIDGES/UPR SLOPES....20-28 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
NORTHWEST 5 TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-61
RIDGES/UPR SLOPES....58-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-68 PERCENT
RIDGES/UPR SLOPES....39-49 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH...SHIFTING TO
THE EAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE EAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY
SMOKE.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...85-93
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...18-26 PERCENT
RIDGES/UPR SLOPES....20-28 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 5 MPH...BECOMING WEST 5
TO 10 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTH 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY. PATCHY SMOKE EARLY IN THE
EVENING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-60
RIDGES/UPR SLOPES....58-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...58-73 PERCENT
RIDGES/UPR SLOPES....41-51 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ410-170115-
NORTHEASTERN TRINITY INCLUDING TRINITY LAKE-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...86-89
RIDGES/UPR SLOPES....73-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...13-20 PERCENT
RIDGES/UPR SLOPES....20-28 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....SOUTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........7200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-63
RIDGES/UPR SLOPES....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...47-56 PERCENT
RIDGES/UPR SLOPES....35-45 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...82-90
RIDGES/UPR SLOPES....69-77
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...15-22 PERCENT
RIDGES/UPR SLOPES....21-29 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING
SOUTHEAST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........8800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-62
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-63 PERCENT
RIDGES/UPR SLOPES....41-51 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ411-170115-
EASTERN TRINITY INCLUDING WEAVERVILLE AND HAYFORK-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...86-91
RIDGES/UPR SLOPES....79-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...14-21 PERCENT
RIDGES/UPR SLOPES....18-26 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
EAST 5 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........7600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY SMOKE IN THE LATE
EVENING AND OVERNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-61
RIDGES/UPR SLOPES....58-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-63 PERCENT
RIDGES/UPR SLOPES....42-52 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY SMOKE.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...85-92
RIDGES/UPR SLOPES....74-82
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...15-22 PERCENT
RIDGES/UPR SLOPES....19-27 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
SOUTHEAST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........9300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-60
RIDGES/UPR SLOPES....57-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...54-69 PERCENT
RIDGES/UPR SLOPES....46-56 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....SOUTHWEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ412-170115-
SOUTHERN TRINITY INCLUDING RUTH LAKE AND THE YOLLA BOLLYS-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...83-89
RIDGES/UPR SLOPES....76-84
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...26-34 PERCENT
RIDGES/UPR SLOPES....24-32 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-60
RIDGES/UPR SLOPES....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...62-77 PERCENT
RIDGES/UPR SLOPES....58-73 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 9 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 5 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...80-87
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...27-35 PERCENT
RIDGES/UPR SLOPES....25-33 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....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-58
RIDGES/UPR SLOPES....51-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....60-75 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 7 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ413-170115-
COASTAL MENDOCINO-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY. AREAS OF FOG IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...67-75
RIDGES/UPR SLOPES....66-74
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....62-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 6
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........1400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE LATE
EVENING AND OVERNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-54
RIDGES/UPR SLOPES....50-56
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...91-100 PERCENT
RIDGES/UPR SLOPES....83-98 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY
FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...61-69
RIDGES/UPR SLOPES....62-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...72-87 PERCENT
RIDGES/UPR SLOPES....63-78 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
WEST 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 7
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........1100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...48-52
RIDGES/UPR SLOPES....48-54
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...91-100 PERCENT
RIDGES/UPR SLOPES....84-99 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.
CAZ414-170115-
NORTHERN INTERIOR MENDOCINO INCLUDING LEGGETT AND WILLITS-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....78-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...33-41 PERCENT
RIDGES/UPR SLOPES....37-47 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-60
RIDGES/UPR SLOPES....55-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...68-83 PERCENT
RIDGES/UPR SLOPES....62-77 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...80-88
RIDGES/UPR SLOPES....73-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...35-43 PERCENT
RIDGES/UPR SLOPES....42-52 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
SOUTHWEST 5 TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5
TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-58
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....65-80 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...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ415-170115-
NORTHEASTERN INTERIOR MENDOCINO INCLUDING COVELO-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...84-92
RIDGES/UPR SLOPES....78-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...22-27 PERCENT
RIDGES/UPR SLOPES....23-31 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........7000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-61
RIDGES/UPR SLOPES....58-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...59-74 PERCENT
RIDGES/UPR SLOPES....47-57 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 9 MPH...SHIFTING TO THE
EAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE EAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...82-90
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...23-28 PERCENT
RIDGES/UPR SLOPES....24-32 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-61
RIDGES/UPR SLOPES....57-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...60-75 PERCENT
RIDGES/UPR SLOPES....47-57 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ416-170115-
SOUTHEASTERN INTERIOR MENDOCINO INCLUDING UKIAH AND POTTER VALLEY-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...86-92
RIDGES/UPR SLOPES....83-89
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...25-33 PERCENT
RIDGES/UPR SLOPES....31-39 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........6600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-62
RIDGES/UPR SLOPES....59-65
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 PERCENT
RIDGES/UPR SLOPES....49-59 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 5 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...81-89
RIDGES/UPR SLOPES....73-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...29-37 PERCENT
RIDGES/UPR SLOPES....34-42 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
SOUTHWEST 5 TO 11 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH...BECOMING SOUTHWEST 5
TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-61
RIDGES/UPR SLOPES....58-66
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....53-63 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTHWEST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ417-170115-
SOUTHWESTERN INTERIOR MENDOCINO INCLUDING BOONVILLE-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...77-85
RIDGES/UPR SLOPES....75-83
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....46-56 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........3800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-60
RIDGES/UPR SLOPES....54-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....64-79 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...74-82
RIDGES/UPR SLOPES....70-78
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...48-58 PERCENT
RIDGES/UPR SLOPES....51-61 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 TO 7
MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-57
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...79-94 PERCENT
RIDGES/UPR SLOPES....69-84 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ418-170115-
NORTHERN LAKE INCLUDING GRAVELLY VALLEY-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 90
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...18-25 PERCENT
RIDGES/UPR SLOPES....25-33 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 8 MPH...SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* MIXING HEIGHT..........6900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-63
RIDGES/UPR SLOPES....59-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...55-65 PERCENT
RIDGES/UPR SLOPES....43-53 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...86-91
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-24 PERCENT
RIDGES/UPR SLOPES....23-31 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....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTH 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-62
RIDGES/UPR SLOPES....59-66
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...54-64 PERCENT
RIDGES/UPR SLOPES....43-53 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 7 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ419-170115-
EASTERN LAKE INCLUDING CLEARLAKE AND MIDDLETOWN-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...88-92
RIDGES/UPR SLOPES....AROUND 90
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...22-30 PERCENT
RIDGES/UPR SLOPES....22-30 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTH 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 8 MPH...SHIFTING TO
THE SOUTH IN THE AFTERNOON.
* MIXING HEIGHT..........6900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-62
RIDGES/UPR SLOPES....60-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...62-77 PERCENT
RIDGES/UPR SLOPES....52-62 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...86-90
RIDGES/UPR SLOPES....80-84
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...22-30 PERCENT
RIDGES/UPR SLOPES....20-26 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
SOUTH 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 5 MPH...SHIFTING TO THE SOUTH 5
TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-61
RIDGES/UPR SLOPES....59-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...61-76 PERCENT
RIDGES/UPR SLOPES....51-61 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 8 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ420-170115-
SOUTHERN LAKE INCLUDING COBB AND KONOCTI-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 90
RIDGES/UPR SLOPES....83-87
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...29-37 PERCENT
RIDGES/UPR SLOPES....31-39 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTH 5 TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTH 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-64
RIDGES/UPR SLOPES....63-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...55-70 PERCENT
RIDGES/UPR SLOPES....51-58 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...83-88
RIDGES/UPR SLOPES....75-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...30-38 PERCENT
RIDGES/UPR SLOPES....33-41 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH...BECOMING
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH...BECOMING SOUTHWEST 5
TO 9 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........5100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-63
RIDGES/UPR SLOPES....63-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...55-65 PERCENT
RIDGES/UPR SLOPES....46-56 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....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ421-170115-
WESTERN LAKE INCLUDING LAKEPORT-
1244 AM PDT SUN AUG 16 2026
TODAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...84-90
RIDGES/UPR SLOPES....85-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...25-33 PERCENT
RIDGES/UPR SLOPES....25-31 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........6800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-62
RIDGES/UPR SLOPES....60-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...58-73 PERCENT
RIDGES/UPR SLOPES....44-54 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...82-87
RIDGES/UPR SLOPES....76-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...26-34 PERCENT
RIDGES/UPR SLOPES....25-33 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH...BECOMING SOUTHWEST 5
TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-61
RIDGES/UPR SLOPES....59-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...57-72 PERCENT
RIDGES/UPR SLOPES....47-57 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
TUESDAY
MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING. PATCHY FOG
IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE
LOWER TO MID 50S. HIGHS 61 TO 69. NORTHWEST WINDS 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING. PATCHY
FOG AFTER MIDNIGHT. LOWS 50 TO 55. HIGHS 61 TO 68. NORTHWEST
WINDS 5 MPH.
THURSDAY
MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING. AREAS OF
FOG AFTER MIDNIGHT. LOWS IN THE LOWER TO MID 50S. HIGHS 60 TO 66.
NORTHWEST WINDS 5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
TUESDAY
PARTLY CLOUDY. LOWS 55 TO 63. HIGHS 83 TO 95.
NORTHWEST WINDS 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 55 TO 63. HIGHS 82 TO 94.
NORTHWEST WINDS 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 53 TO 61. HIGHS 80 TO 92. WEST
WINDS 5 MPH.
6 TO 10 DAY OUTLOOK
FRIDAY AUGUST 21 THROUGH TUESDAY AUGUST 25, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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