664
FNUS55 KREV 222002
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
102 PM PDT THU OCT 22 2026
DISCUSSION
RAIN AND MOUNTAIN SNOW CHANCES CONTINUE THROUGH FRIDAY MORNING, WITH
THUNDERSTORMS POSSIBLE THIS AFTERNOON. ROADS MAY BECOME WET/MUDDY,
OR COATED IN SMALL HAIL TODAY, WITH LOCALIZED FLOODING POSSIBLE. A
FRONTAL PASSAGE WILL DELIVER INCREASED W/NW WINDS OVERNIGHT, BECOMING
GUSTY E/NE RIDGE WINDS FRIDAY NIGHT. COOL AND DRY WEATHER PREVAILS
INTO NEXT WEEK, WITH COLD NIGHTTIME TEMPERATURES.
NOTE: THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS.
NOTE: MIXING HEIGHTS ARE IN FEET ABOVE GROUND LEVEL OF THE VALLEY FLOORS.
NOTE: PLEASE SEE OPERATING PLAN FOR DETAILED ZONE DESCRIPTIONS
HTTPS://WWW.WEATHER.GOV/WRH/FIRE?WFO=REV
NVZ420-231445-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........CHANCE OF RAIN IN THE EVENING, THEN RAIN AFTER
MIDNIGHT.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...55%.
* MIN TEMPERATURE....
* VALLEYS..........28-38.
* MID SLOPE........33-42.
* 24 HR TREND......6 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........77-87%.
* MID SLOPE........65-75%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 45
MPH AFTER MIDNIGHT.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH. GUSTS TO 30 MPH
INCREASING TO 45 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1500-2000 FT AGL DECREASING TO 900-1400 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 15 TO 25 MPH.
* VENTILATION........GOOD.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF
RAIN IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........51-60.
* MID SLOPE........46-56.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........35-45%.
* 24 HR TREND......18% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 18 MPH WITH GUSTS TO 35 MPH
SHIFTING TO THE NORTH 8 TO 13 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 40 MPH
UNTIL LATE AFTERNOON.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 3300-4300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........21-31.
* MID SLOPE........27-36.
* MAX HUMIDITY.......
* VALLEYS..........67-77%.
* MID SLOPE........54-64%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 7 TO 12 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH
INCREASING TO 35 MPH IN THE MORNING.
* MIXING HEIGHT......1700-2700 FT AGL DECREASING TO 700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........49-59.
* MIN HUMIDITY.......
* VALLEYS..........25-35%.
* MID SLOPE........35-45%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 35 MPH UNTIL
LATE AFTERNOON.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 1800-2800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 22-32. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 59-69. LOWS 22-32. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 60-70. LOWS 24-34. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 58-68. LOWS 24-34. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 58-68. LOWS
25-35.
NVZ421-231445-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...15%.
* MIN TEMPERATURE....
* VALLEYS..........21-31.
* MID SLOPE........33-43.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........79-89%.
* MID SLOPE........67-77%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......1500-2000 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF RAIN AND SNOW IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........47-57.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........39-49%.
* MID SLOPE........42-52%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
MORNING.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 2600-3600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........16-26.
* MID SLOPE........28-38.
* MAX HUMIDITY.......
* VALLEYS..........74-84%.
* MID SLOPE........54-64%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH
INCREASING TO NORTHEAST 20 TO 30 MPH WITH
GUSTS TO 40 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1700-2200 FT AGL DECREASING TO 700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........32-42%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........EAST WINDS 20 TO 30 MPH SHIFTING TO THE
NORTHEAST 10 TO 15 MPH LATE IN THE AFTERNOON.
GUSTS TO 40 MPH UNTIL LATE AFTERNOON.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1800-2800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 19-29. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 59-69. LOWS 19-29. SLOPE WINDS.
MONDAY
CLEAR. HIGHS 60-70. LOWS 22-32. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 59-69. LOWS 22-32. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 57-67. LOWS
22-32.
CAZ272-231445-
GREATER LAKE TAHOE AND TRUCKEE AREA-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........CHANCE OF RAIN AND SNOW.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...40%.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........28-38.
* 24 HR TREND......4 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........91-100%.
* MID SLOPE........84-94%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH
INCREASING TO 9 TO 16 MPH WITH GUSTS TO 30 MPH
IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH.
* MIXING HEIGHT......1100-1600 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD.
FRIDAY
* SKY/WEATHER........SUNNY. RAIN LIKELY AND A CHANCE OF SNOW IN THE
MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...20%.
* MAX TEMPERATURE....
* VALLEYS..........46-51.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........39-49%.
* MID SLOPE........39-49%.
* 24 HR TREND......28% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTHEAST LATE IN THE AFTERNOON. GUSTS TO 30
MPH.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 3100-4100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........18-28.
* MID SLOPE........25-35.
* MAX HUMIDITY.......
* VALLEYS..........80-90%.
* MID SLOPE........61-71%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO 25 MPH
INCREASING TO EAST 12 TO 20 MPH WITH GUSTS TO
45 MPH IN THE LATE EVENING AND EARLY MORNING,
THEN DECREASING TO 9 TO 16 MPH WITH GUSTS TO
35 MPH IN THE MORNING.
* RIDGE TOP........NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH INCREASING TO EAST 20 TO 30 MPH WITH GUSTS
TO 60 MPH IN THE LATE EVENING AND OVERNIGHT.
* MIXING HEIGHT......1600-2100 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHEAST 10 TO 20 MPH.
* VENTILATION........GOOD DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........50-59.
* MID SLOPE........45-55.
* MIN HUMIDITY.......
* VALLEYS..........32-42%.
* MID SLOPE........33-43%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....EAST WINDS 9 TO 15 MPH WITH GUSTS TO 30 MPH
UNTIL LATE AFTERNOON BECOMING UPSLOPE 4 TO 8
MPH.
* RIDGE TOP........EAST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH
DECREASING TO 10 TO 15 MPH LATE IN THE
AFTERNOON.
* MIXING HEIGHT......700 FT AGL INCREASING TO 1700-2200 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS....EAST 10 TO 15 MPH.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 19-29. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 56-64. LOWS 19-29. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 55-61. LOWS 21-31. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 56-62. LOWS 21-31. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 53-61. LOWS
23-33.
NVZ423-231445-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AFTER
MIDNIGHT.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...55%.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........36-46.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........79-89%.
* MID SLOPE........62-72%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH INCREASING TO SOUTHWEST
15 TO 25 MPH WITH GUSTS TO 35 MPH AFTER
MIDNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45
MPH.
* MIXING HEIGHT......1300-1800 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
AFTER MIDNIGHT.
* VENTILATION........GOOD.
FRIDAY
* SKY/WEATHER........CLOUDY THEN BECOMING PARTLY CLOUDY. CHANCE OF
RAIN AND SNOW IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...20%.
* MAX TEMPERATURE....
* VALLEYS..........52-60.
* MID SLOPE........47-57.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........33-43%.
* MID SLOPE........35-45%.
* 24 HR TREND......20% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 12 TO 18 MPH WITH GUSTS TO 30 MPH
SHIFTING TO THE NORTHWEST 9 TO 15 MPH IN THE
LATE MORNING AND AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH
DECREASING TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT......1500-2500 FT AGL INCREASING TO 3200-4200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........18-28.
* MID SLOPE........27-37.
* MAX HUMIDITY.......
* VALLEYS..........70-80%.
* MID SLOPE........48-58%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1600-2600 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........56-62.
* MID SLOPE........50-60.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........33-43%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH
UNTIL LATE AFTERNOON.
* MIXING HEIGHT......200-500 FT AGL THEN 1800-2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 19-29. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 60-66. LOWS 19-29. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 62-68. LOWS 22-32. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 60-66. LOWS 22-32. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 60-67. LOWS
22-32.
NVZ429-231445-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN AFTER MIDNIGHT.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...55%.
* MIN TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........35-45.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........79-89%.
* MID SLOPE........68-78%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH,
THEN BECOMING WEST 9 TO 14 MPH WITH GUSTS TO
30 MPH AFTER MIDNIGHT.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH.
* MIXING HEIGHT......1400-1900 FT AGL DECREASING TO 900-1400 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........GOOD.
FRIDAY
* SKY/WEATHER........CLOUDY THEN BECOMING PARTLY CLOUDY. CHANCE OF
RAIN AND SNOW IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...25%.
* MAX TEMPERATURE....
* VALLEYS..........51-61.
* MID SLOPE........46-56.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........36-46%.
* MID SLOPE........41-51%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 15 MPH. GUSTS TO 30 MPH IN
THE MORNING.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH
DECREASING TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 3800-4800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........21-31.
* MID SLOPE........28-38.
* MAX HUMIDITY.......
* VALLEYS..........74-84%.
* MID SLOPE........58-68%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 15 MPH BECOMING DOWNSLOPE 2 TO
5 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1900-2900 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........48-58.
* MIN HUMIDITY.......
* VALLEYS..........32-42%.
* MID SLOPE........35-45%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 2100-3100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 20-30. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 59-69. LOWS 20-30. SLOPE WINDS.
MONDAY
CLEAR. HIGHS 61-71. LOWS 23-33. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 58-68. LOWS 23-33. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 58-68. LOWS
24-34.
CAZ270-278-NVZ458-231445-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........RAIN. CHANCE OF SNOW AFTER MIDNIGHT.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...60%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........31-41.
* 24 HR TREND......8 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........78-88%.
* MID SLOPE........69-79%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO NORTHWEST 19 TO 30 MPH WITH
GUSTS TO 45 MPH.
* RIDGE TOP........NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45
MPH.
* MIXING HEIGHT......1500-2000 FT AGL.
* TRANSPORT WINDS....WEST 20 TO 30 MPH.
* VENTILATION........GOOD.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........44-54.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........23-33%.
* MID SLOPE........30-40%.
* 24 HR TREND......29% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 18 MPH. GUSTS TO 30 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 45 MPH.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 2800-3800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 15 TO 25 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........16-26.
* MID SLOPE........23-33.
* MAX HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........52-62%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
* MIXING HEIGHT......1600-2600 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........50-60.
* MIN HUMIDITY.......
* VALLEYS..........25-35%.
* MID SLOPE........28-38%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST 5 TO 10
MPH WITH GUSTS TO 20 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........EAST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......200-500 FT AGL THEN 1600-2100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....EAST 10 TO 15 MPH.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 19-29. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 58-68. LOWS 19-29. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 57-67. LOWS 20-30. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY
CLEAR. HIGHS 55-65. LOWS 20-30. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 56-66. LOWS
21-31.
CAZ271-231445-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........RAIN IN THE EVENING, THEN CHANCE OF RAIN AFTER
MIDNIGHT.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...55%.
* MIN TEMPERATURE....
* VALLEYS..........21-31.
* MID SLOPE........30-40.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........85-95%.
* MID SLOPE........79-89%.
* 24 HR TREND......4% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH. GUSTS TO 25 MPH
INCREASING TO 40 MPH IN THE LATE EVENING AND
EARLY MORNING, THEN DECREASING TO 30 MPH LATE
IN THE NIGHT.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH
INCREASING TO 35 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1300-1800 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........FAIR.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF
RAIN IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...10%.
* MAX TEMPERATURE....
* VALLEYS..........47-57.
* MID SLOPE........44-54.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........26-36%.
* MID SLOPE........29-39%.
* 24 HR TREND......42% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 7 TO 12 MPH IN
THE LATE MORNING AND AFTERNOON. GUSTS TO 25
MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 2700-3700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........13-23.
* MID SLOPE........24-34.
* MAX HUMIDITY.......
* VALLEYS..........69-79%.
* MID SLOPE........52-62%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 8 TO 13 MPH WITH GUSTS TO 25
MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 20 MPH. GUSTS TO 25 MPH
INCREASING TO 45 MPH IN THE LATE EVENING AND
OVERNIGHT.
* MIXING HEIGHT......1600-2100 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........55-65.
* MID SLOPE........51-61.
* MIN HUMIDITY.......
* VALLEYS..........25-35%.
* MID SLOPE........27-37%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....EAST WINDS 7 TO 12 MPH. GUSTS TO 20 MPH IN THE
LATE MORNING AND AFTERNOON.
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 45 MPH IN THE
MORNING.
* MIXING HEIGHT......600 FT AGL INCREASING TO 1500-2500 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS....EAST 10 TO 15 MPH.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 15-25. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 59-69. LOWS 15-25. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 56-66. LOWS 16-26. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 56-66. LOWS 16-26. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 56-66. LOWS
17-27.
CAZ274-231445-
SOUTHERN MONO COUNTY-
102 PM PDT THU OCT 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF RAIN IN THE EVENING. CHANCE OF SNOW
.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...10%.
* MIN TEMPERATURE....
* VALLEYS..........18-28.
* MID SLOPE........25-35.
* 24 HR TREND......6 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........82-92%.
* MID SLOPE........70-80%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 7 TO 12 MPH. GUSTS TO 20 MPH UNTIL
EARLY MORNING.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1600-2100 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........45-55.
* MID SLOPE........40-50.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........42-52%.
* MID SLOPE........47-57%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 7 TO 12 MPH
WITH GUSTS TO 20 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 2600-3600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........17-27.
* MID SLOPE........23-33.
* MAX HUMIDITY.......
* VALLEYS..........79-89%.
* MID SLOPE........63-73%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH. GUSTS TO 30 MPH
DECREASING TO 20 MPH IN THE MORNING.
* RIDGE TOP........NORTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
* MIXING HEIGHT......1600-2100 FT AGL DECREASING TO 600-1100 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........45-55.
* MIN HUMIDITY.......
* VALLEYS..........30-40%.
* MID SLOPE........33-43%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH. GUSTS TO 35 MPH UNTIL
LATE AFTERNOON.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 2000-3000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 19-29. DOWNSLOPE 2 TO 5 MPH.
SUNDAY THROUGH TUESDAY
CLEAR. HIGHS 57-67. LOWS 19-29. SLOPE
WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 54-64. LOWS
23-33.
.8 TO 14 DAY OUTLOOK FOR (FRI OCT 30 THROUGH THU NOV 5)
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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