847
FNUS56 KEKA 180732
FWFEKA
FIRE WEATHER PLANNING FORECAST FOR NORTHWEST CALIFORNIA
NATIONAL WEATHER SERVICE EUREKA CA
1232 AM PDT SAT JUL 18 2026
DISCUSSION
WARMER THAN NORMAL TEMPERATURES RETURN TODAY AND
WILL PERSIST INTO THE EARLY PART OF THE WEEK. WINDS WILL GENERALLY
BE TERRAIN DRIVEN WITH TYPICAL AFTERNOON WEST TO NORTHWEST BREEZES.
THERE IS A LOW POTENTIAL FOR THUNDERSTORMS RETURNING AS EARLY AS
SUNDAY AND CONTINUING THROUGH WEDNESDAY AS TROPICAL MOISTURE
MOVES INTO THE REGION.
CAZ401-190130-
COASTAL DEL NORTE-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY. PATCHY FOG IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...63-71
RIDGES/UPR SLOPES....64-70
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...64-79 PERCENT
RIDGES/UPR SLOPES....68-78 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING WEST 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT..........1300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...50-53
RIDGES/UPR SLOPES....50-53
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...91-100 PERCENT
RIDGES/UPR SLOPES....89-99 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....VARIABLE 1 TO 3 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...64-71
RIDGES/UPR SLOPES....66-72
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...65-80 PERCENT
RIDGES/UPR SLOPES....67-77 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 WEST 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT..........1200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT. PATCHY FOG IN THE LATE
EVENING AND OVERNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...53-56
RIDGES/UPR SLOPES....53-57
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...90-100 PERCENT
RIDGES/UPR SLOPES....87-97 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 1 TO 3 MPH.
RIDGES/UPR SLOPES....VARIABLE 1 TO 3 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ402-190130-
INTERIOR DEL NORTE INCLUDING THE SMITH RIVER VALLEY-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...75-83
RIDGES/UPR SLOPES....72-80
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...61-71 PERCENT
RIDGES/UPR SLOPES....56-66 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........3400 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....55-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...70-85 PERCENT
RIDGES/UPR SLOPES....57-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...78-86
RIDGES/UPR SLOPES....75-83
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...60-70 PERCENT
RIDGES/UPR SLOPES....54-64 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 7 MPH...SHIFTING TO
THE WEST 5 TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-64
RIDGES/UPR SLOPES....61-69
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....55-70 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH...SHIFTING TO THE EAST
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
EAST AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ403-190130-
NORTHEASTERN INTERIOR HUMBOLDT AND SOUTHWESTERN SISKIYOU
INCLUDING ORLEANS-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...93-101
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...15-23 PERCENT
RIDGES/UPR SLOPES....24-32 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........6200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-63
RIDGES/UPR SLOPES....61-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-63 PERCENT
RIDGES/UPR SLOPES....39-49 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE EAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...95-103
RIDGES/UPR SLOPES....79-87
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...14-22 PERCENT
RIDGES/UPR SLOPES....22-30 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 MPH...SHIFTING TO THE
WEST 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..........7500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...62-70
RIDGES/UPR SLOPES....67-71
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...54-64 PERCENT
RIDGES/UPR SLOPES....40-50 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 5 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
EAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ404-190130-
NORTHERN COASTAL HUMBOLDT-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY FOG UNTIL LATE AFTERNOON.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...63-69
RIDGES/UPR SLOPES....AROUND 62
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...70-85 PERCENT
RIDGES/UPR SLOPES....76 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........1300 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...51-54
RIDGES/UPR SLOPES....AROUND 50
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...90-100 PERCENT
RIDGES/UPR SLOPES....92 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..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...64-72
RIDGES/UPR SLOPES....AROUND 65
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...68-83 PERCENT
RIDGES/UPR SLOPES....71 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 2 TO 4 MPH...BECOMING
NORTHWEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING NORTHWEST 5
TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........1200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT. PATCHY FOG EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...54-57
RIDGES/UPR SLOPES....AROUND 53
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...88-98 PERCENT
RIDGES/UPR SLOPES....85 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 7 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ405-190130-
NORTHWESTERN INTERIOR HUMBOLDT INCLUDING THE BALD HILLS-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY. PATCHY FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...73-81
RIDGES/UPR SLOPES....70-78
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...61-71 PERCENT
RIDGES/UPR SLOPES....56-66 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........1500 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....53-61
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...73-88 PERCENT
RIDGES/UPR SLOPES....59-74 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE EVENING...BECOMING
DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 MPH...SHIFTING TO THE
EAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...77-85
RIDGES/UPR SLOPES....74-82
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...58-68 PERCENT
RIDGES/UPR SLOPES....52-62 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....NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
* MIXING HEIGHT..........2500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-64
RIDGES/UPR SLOPES....59-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...70-85 PERCENT
RIDGES/UPR SLOPES....59-74 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 1 TO 3 MPH.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING SOUTHEAST 5
MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ406-190130-
EASTERN INTERIOR HUMBOLDT INCLUDING WILLOW CREEK AND HOOPA-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-97
RIDGES/UPR SLOPES....76-84
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...27-35 PERCENT
RIDGES/UPR SLOPES....32-40 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 9 MPH...SHIFTING TO
THE WEST 5 TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 60
RIDGES/UPR SLOPES....60-64
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...54-64 PERCENT
RIDGES/UPR SLOPES....40-50 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 7 MPH...SHIFTING TO
THE SOUTHEAST 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..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...93-101
RIDGES/UPR SLOPES....78-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...23-31 PERCENT
RIDGES/UPR SLOPES....25-33 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....SOUTHEAST WINDS 5 TO 7 MPH...SHIFTING TO
THE WEST IN THE AFTERNOON.
* MIXING HEIGHT..........5700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...61-65
RIDGES/UPR SLOPES....67-72
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-68 PERCENT
RIDGES/UPR SLOPES....39-49 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
EAST AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
EAST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ407-190130-
SOUTHWESTERN HUMBOLDT INCLUDING THE KING RANGE AND THE EEL RIVER
VALLEY-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING SUNNY. PATCHY
FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...79-87
RIDGES/UPR SLOPES....69-77
* 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..........2400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-56
RIDGES/UPR SLOPES....52-59
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...75-90 PERCENT
RIDGES/UPR SLOPES....67-82 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...83-91
RIDGES/UPR SLOPES....73-81
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...42-52 PERCENT
RIDGES/UPR SLOPES....57-67 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING NORTHWEST 5
TO 6 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-63
RIDGES/UPR SLOPES....60-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...67-82 PERCENT
RIDGES/UPR SLOPES....57-72 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ408-190130-
SOUTHEASTERN INTERIOR HUMBOLDT INCLUDING KNEELAND AND ALDERPOINT-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...79-87
RIDGES/UPR SLOPES....71-79
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...55-65 PERCENT
RIDGES/UPR SLOPES....64-74 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........3000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-58
RIDGES/UPR SLOPES....54-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...71-86 PERCENT
RIDGES/UPR SLOPES....58-73 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 EAST AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...82-90
RIDGES/UPR SLOPES....74-82
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...48-58 PERCENT
RIDGES/UPR SLOPES....57-67 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT..........4300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-65
RIDGES/UPR SLOPES....61-69
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 PERCENT
RIDGES/UPR SLOPES....54-64 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
EAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ409-190130-
NORTHWESTERN TRINITY INCLUDING SALYER AND BIG BAR-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...92-100
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-22 PERCENT
RIDGES/UPR SLOPES....12-20 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHWEST 5 TO 9 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........7800 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...58-62
RIDGES/UPR SLOPES....58-63
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...46-56 PERCENT
RIDGES/UPR SLOPES....32-42 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE EAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...94-102
RIDGES/UPR SLOPES....78-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...15-20 PERCENT
RIDGES/UPR SLOPES....14-22 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTH 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...63-68
RIDGES/UPR SLOPES....64-70
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...48-58 PERCENT
RIDGES/UPR SLOPES....36-46 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
EAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTHEAST 5 TO 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ410-190130-
NORTHEASTERN TRINITY INCLUDING TRINITY LAKE-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...87-95
RIDGES/UPR SLOPES....75-83
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...10-14 PERCENT
RIDGES/UPR SLOPES....13-18 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTHEAST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........6700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............CLEAR. PATCHY SMOKE AFTER MIDNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...59-63
RIDGES/UPR SLOPES....54-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...41-48 PERCENT
RIDGES/UPR SLOPES....29-37 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING DOWNSLOPE/DOWNVALLEY 2
TO 4 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING MOSTLY CLOUDY. PATCHY
SMOKE IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...88-96
RIDGES/UPR SLOPES....76-84
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...12-16 PERCENT
RIDGES/UPR SLOPES....14-22 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..........8100 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...63-69
RIDGES/UPR SLOPES....59-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...52-62 PERCENT
RIDGES/UPR SLOPES....42-52 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTH 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ411-190130-
EASTERN TRINITY INCLUDING WEAVERVILLE AND HAYFORK-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...91-98
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...11-16 PERCENT
RIDGES/UPR SLOPES....12-20 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........7700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-62
RIDGES/UPR SLOPES....59-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...45-55 PERCENT
RIDGES/UPR SLOPES....35-45 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...SHIFTING TO THE
NORTHEAST 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...92-99
RIDGES/UPR SLOPES....81-89
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...11-16 PERCENT
RIDGES/UPR SLOPES....14-22 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
SOUTHEAST 5 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........8300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...61-68
RIDGES/UPR SLOPES....65-69
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...52-62 PERCENT
RIDGES/UPR SLOPES....40-50 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 MPH IN THE
EVENING...BECOMING LIGHT WINDS 1 TO 3 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ412-190130-
SOUTHERN TRINITY INCLUDING RUTH LAKE AND THE YOLLA BOLLYS-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...88-96
RIDGES/UPR SLOPES....79-87
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...18-26 PERCENT
RIDGES/UPR SLOPES....18-26 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........6600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-61
RIDGES/UPR SLOPES....54-62
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...52-62 PERCENT
RIDGES/UPR SLOPES....50-60 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 7 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-97
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-24 PERCENT
RIDGES/UPR SLOPES....17-25 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...NORTH WINDS 5 MPH...SHIFTING TO THE WEST 5
TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 5 TO 6 MPH...SHIFTING TO THE
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........7000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...61-68
RIDGES/UPR SLOPES....60-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...49-59 PERCENT
RIDGES/UPR SLOPES....46-56 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 AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ413-190130-
COASTAL MENDOCINO-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING SUNNY. PATCHY FOG IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...64-72
RIDGES/UPR SLOPES....66-74
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...66-81 PERCENT
RIDGES/UPR SLOPES....57-67 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........1300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY DENSE FOG.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...AROUND 50
RIDGES/UPR SLOPES....49-53
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...84-99 PERCENT
RIDGES/UPR SLOPES....78-93 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
THEN BECOMING MOSTLY CLOUDY. PATCHY FOG
EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...66-74
RIDGES/UPR SLOPES....68-76
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...63-78 PERCENT
RIDGES/UPR SLOPES....55-65 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 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..........1200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............CLOUDY. SLIGHT CHANCE OF SHOWERS THROUGH
THE NIGHT. PATCHY FOG EARLY IN THE
MORNING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...52-56
RIDGES/UPR SLOPES....52-58
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...80-95 PERCENT
RIDGES/UPR SLOPES....74-89 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...LIGHT WINDS 1 TO 3 MPH.
RIDGES/UPR SLOPES....VARIABLE 1 TO 3 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ414-190130-
NORTHERN INTERIOR MENDOCINO INCLUDING LEGGETT AND WILLITS-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...85-93
RIDGES/UPR SLOPES....78-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...26-34 PERCENT
RIDGES/UPR SLOPES....33-41 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........3600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
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...54-69 PERCENT
RIDGES/UPR SLOPES....54-69 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 6 MPH...SHIFTING TO
THE NORTH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...88-96
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...24-32 PERCENT
RIDGES/UPR SLOPES....32-40 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....SOUTHEAST WINDS 5 MPH...SHIFTING TO THE
SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-65
RIDGES/UPR SLOPES....59-67
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...55-65 PERCENT
RIDGES/UPR SLOPES....53-68 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE EVENING...BECOMING
LIGHT WINDS 2 TO 4 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 MPH...SHIFTING TO THE EAST
AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ415-190130-
NORTHEASTERN INTERIOR MENDOCINO INCLUDING COVELO-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-97
RIDGES/UPR SLOPES....78-86
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...16-21 PERCENT
RIDGES/UPR SLOPES....17-24 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........6400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-64
RIDGES/UPR SLOPES....59-66
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...47-57 PERCENT
RIDGES/UPR SLOPES....36-46 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 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..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...90-98
RIDGES/UPR SLOPES....79-87
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...16-21 PERCENT
RIDGES/UPR SLOPES....17-25 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 MPH...SHIFTING TO THE
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 7 MPH...SHIFTING TO
THE SOUTHWEST IN THE AFTERNOON.
* MIXING HEIGHT..........6600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...61-69
RIDGES/UPR SLOPES....66-72
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...46-56 PERCENT
RIDGES/UPR SLOPES....35-45 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 6 MPH...SHIFTING TO THE
NORTHEAST 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ416-190130-
SOUTHEASTERN INTERIOR MENDOCINO INCLUDING UKIAH AND POTTER VALLEY-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...87-95
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...20-28 PERCENT
RIDGES/UPR SLOPES....22-30 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........4600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...55-62
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...NORTHWEST WINDS 5 TO 9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5 TO 9 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-97
RIDGES/UPR SLOPES....82-90
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...18-26 PERCENT
RIDGES/UPR SLOPES....22-30 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 5 MPH...BECOMING SOUTHWEST 5
TO 8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........4900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...61-69
RIDGES/UPR SLOPES....66-73
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...51-61 PERCENT
RIDGES/UPR SLOPES....41-51 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.
CAZ417-190130-
SOUTHWESTERN INTERIOR MENDOCINO INCLUDING BOONVILLE-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY. PATCHY FOG EARLY IN THE MORNING.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...78-86
RIDGES/UPR SLOPES....75-83
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...42-52 PERCENT
RIDGES/UPR SLOPES....45-55 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........2200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...51-58
RIDGES/UPR SLOPES....52-60
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...64-79 PERCENT
RIDGES/UPR SLOPES....59-74 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 8 MPH.
* MIXING HEIGHT..........300 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...80-88
RIDGES/UPR SLOPES....77-85
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...38-48 PERCENT
RIDGES/UPR SLOPES....40-50 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
WEST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 5
TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........2700 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-65
RIDGES/UPR SLOPES....60-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...60-75 PERCENT
RIDGES/UPR SLOPES....54-69 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 MPH IN THE EVENING...BECOMING
LIGHT WINDS 1 TO 3 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 6 MPH IN THE
EVENING...BECOMING LIGHT WINDS 2 TO 4 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ418-190130-
NORTHERN LAKE INCLUDING GRAVELLY VALLEY-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...94-99
RIDGES/UPR SLOPES....79-87
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...12-17 PERCENT
RIDGES/UPR SLOPES....16-24 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 9 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...57-65
RIDGES/UPR SLOPES....61-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...45-55 PERCENT
RIDGES/UPR SLOPES....34-44 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTH 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH...SHIFTING TO THE
NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...95-100
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...13-18 PERCENT
RIDGES/UPR SLOPES....17-25 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 6 MPH...SHIFTING TO THE
SOUTH 5 TO 7 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6200 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...62-70
RIDGES/UPR SLOPES....67-74
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....32-42 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 7 MPH...SHIFTING TO THE
NORTHWEST 5 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 8 MPH...SHIFTING TO
THE NORTHWEST 5 TO 6 MPH AFTER MIDNIGHT.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ419-190130-
EASTERN LAKE INCLUDING CLEARLAKE AND MIDDLETOWN-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...91-96
RIDGES/UPR SLOPES....86-90
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...15-23 PERCENT
RIDGES/UPR SLOPES....15-22 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5500 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...56-64
RIDGES/UPR SLOPES....60-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...53-63 PERCENT
RIDGES/UPR SLOPES....43-53 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...92-97
RIDGES/UPR SLOPES....87-92
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...16-23 PERCENT
RIDGES/UPR SLOPES....16-23 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...EAST WINDS 5 MPH...SHIFTING TO THE
SOUTHEAST 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5 TO 7 MPH...SHIFTING TO
THE SOUTHEAST IN THE AFTERNOON.
* MIXING HEIGHT..........6400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN
THE LATE EVENING AND OVERNIGHT.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...61-69
RIDGES/UPR SLOPES....66-74
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...49-59 PERCENT
RIDGES/UPR SLOPES....40-47 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ420-190130-
SOUTHERN LAKE INCLUDING COBB AND KONOCTI-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-93
RIDGES/UPR SLOPES....80-88
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...21-29 PERCENT
RIDGES/UPR SLOPES....22-30 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5 TO 6 MPH...SHIFTING TO
THE SOUTH 5 TO 10 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..........4900 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-65
RIDGES/UPR SLOPES....62-68
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...49-59 PERCENT
RIDGES/UPR SLOPES....37-47 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 10 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY
THEN BECOMING PARTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...91-95
RIDGES/UPR SLOPES....81-89
* 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 10 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..........5600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...62-70
RIDGES/UPR SLOPES....68-74
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...44-54 PERCENT
RIDGES/UPR SLOPES....37-44 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 7 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 7 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
CAZ421-190130-
WESTERN LAKE INCLUDING LAKEPORT-
1232 AM PDT SAT JUL 18 2026
TODAY
* SKY/WEATHER............SUNNY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-96
RIDGES/UPR SLOPES....83-89
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...16-24 PERCENT
RIDGES/UPR SLOPES....17-24 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........5600 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
TONIGHT
* SKY/WEATHER............MOSTLY CLEAR.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...57-63
RIDGES/UPR SLOPES....61-69
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...48-58 PERCENT
RIDGES/UPR SLOPES....38-48 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY
* SKY/WEATHER............PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE LIGHTNING.......0%.
* MAX TEMPERATURE.......
VALLEYS/LWR SLOPES...89-96
RIDGES/UPR SLOPES....85-90
* MIN HUMIDITY.......
VALLEYS/LWR SLOPES...17-25 PERCENT
RIDGES/UPR SLOPES....17-23 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 4 MPH...BECOMING
SOUTH 5 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....VARIABLE 2 TO 5 MPH...BECOMING SOUTH 5 TO
8 MPH IN THE AFTERNOON.
* MIXING HEIGHT..........6000 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN
THE EVENING.
* CHANCE LIGHTNING.......0%.
* MIN TEMPERATURE.......
VALLEYS/LWR SLOPES...62-68
RIDGES/UPR SLOPES....68-76
* MAX HUMIDITY.......
VALLEYS/LWR SLOPES...47-57 PERCENT
RIDGES/UPR SLOPES....33-43 PERCENT
* 20-FOOT WINDS...
VALLEYS/LWR SLOPES...WEST WINDS 5 TO 8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT..........400 FT AGL.
* CHC OF WETTING RAIN....0 PERCENT.
EXTENDED FORECAST FOR DAYS 3 THROUGH 5
..NORTHWEST CALIFORNIA COAST
MONDAY
CLOUDY. PATCHY FOG IN THE MORNING. PATCHY FOG. LOWS IN
THE LOWER TO MID 50S. HIGHS 62 TO 70. WINDS GENERALLY LESS THAN
5 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. PATCHY FOG
IN THE MORNING. PATCHY FOG. LOWS IN THE LOWER TO MID 50S. HIGHS
63 TO 72. WINDS GENERALLY LESS THAN 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. PATCHY FOG
IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE
LOWER TO MID 50S. HIGHS 63 TO 71. WINDS GENERALLY LESS THAN
5 MPH.
..NORTHWEST CALIFORNIA INTERIOR
MONDAY
MOSTLY CLOUDY. LOWS 60 TO 68. HIGHS 84 TO 95. SOUTHWEST
WINDS 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 59 TO 67. HIGHS 85 TO 96. WEST
WINDS 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 56 TO 64. HIGHS 85 TO 96. WEST
WINDS 5 MPH.
6 TO 10 DAY OUTLOOK
THURSDAY JULY 23 THROUGH MONDAY JULY 27, 2026...
FOR NW CALIF...ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
VISIT US AT WWW.WEATHER.GOV/EUREKA
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page