870
FNUS55 KREV 250818
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
118 AM PDT SUN OCT 25 2026
DISCUSSION
MOSTLY DRY WEATHER CONTINUES THROUGH WEDNESDAY. SOUTHWEST GUSTS OF
30-40 MPH, LOCALLY HIGHER, BRIEFLY OVERLAP WITH LOW HUMIDITY IN
ISOLATED AREAS ON MONDAY. HOWEVER, RECENT WETTING RAIN HAS HELPED
TEMPER FIRE WEATHER CONCERNS. A 15-40% CHANCE OF LIGHT RAIN AND
MOUNTAIN SNOW RETURN FOR AREAS NEAR THE OREGON BORDER ON MONDAY.
LIGHTER WINDS RETURN TUESDAY. A LATE-WEEK SYSTEM BRINGS COOLER
WEATHER AND CHANCES FOR RAIN AND MOUNTAIN SNOW.
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
NVZ420-260045-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........59-69.
* MID SLOPE........56-66.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........23-33%.
* MID SLOPE........28-38%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS. GUSTS TO 20 MPH LATE IN THE
AFTERNOON.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 2600-3600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........33-42.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........64-74%.
* MID SLOPE........50-60%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 8 TO 13 MPH
WITH GUSTS TO 20 MPH AFTER MIDNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 25 MPH
INCREASING TO 40 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1500-2000 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........58-68.
* MID SLOPE........54-64.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........21-31%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS TO 25 MPH
INCREASING TO 19 TO 30 MPH WITH GUSTS TO 40
MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 55
MPH.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 5500-6500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 30
MPH IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 21-31. WEST WINDS 13 TO 20 MPH BECOMING
DOWNSLOPE 2 TO 5 MPH.
TUESDAY
CLEAR. HIGHS 56-66. LOWS 21-31. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 57-67. LOWS 24-34. SLOPE WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 56-66. LOWS
24-34. SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
49-59. LOWS 22-32.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 45-55.
NVZ421-260045-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........59-69.
* MID SLOPE........54-64.
* 24 HR TREND......9 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........19-29%.
* 24 HR TREND......9% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 2900-3900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........34-44.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........39-49%.
* 24 HR TREND......12% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH. GUSTS TO 20 MPH
INCREASING TO 35 MPH IN THE LATE EVENING AND
OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
55 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1300-1800 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR DECREASING TO MARGINAL AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........58-68.
* MID SLOPE........51-61.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........13-23%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH WITH GUSTS TO 35 MPH
INCREASING TO SOUTHWEST 15 TO 25 MPH WITH
GUSTS TO 40 MPH.
* RIDGE TOP........SOUTHWEST WINDS 30 TO 45 MPH WITH GUSTS TO 70
MPH.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 4700-5700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 19-29. SOUTHWEST WINDS 10 TO 17 MPH
BECOMING DOWNSLOPE 2 TO 5 MPH.
TUESDAY
CLEAR. HIGHS 58-68. LOWS 19-29. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY. HIGHS 57-67. LOWS 22-32. SOUTHWEST WINDS
10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 55-65. LOWS 20-30.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF SNOW AND A SLIGHT CHANCE OF RAIN.
HIGHS 49-59. LOWS 17-27.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 43-53.
CAZ272-260045-
GREATER LAKE TAHOE AND TRUCKEE AREA-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........56-62.
* MID SLOPE........50-60.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........29-39%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH LATE
IN THE AFTERNOON. GUSTS TO 25 MPH LATE IN THE
AFTERNOON.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 2900-3900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........30-40.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........75-85%.
* MID SLOPE........59-69%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 35
MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH INCREASING TO 20 TO 35 MPH WITH GUSTS TO
60 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1400-1900 FT AGL DECREASING TO 700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........GOOD DECREASING TO FAIR AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........51-57.
* MID SLOPE........44-54.
* MIN HUMIDITY.......
* VALLEYS..........37-47%.
* MID SLOPE........33-43%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 12 TO 18 MPH INCREASING TO 15 TO
25 MPH IN THE LATE MORNING AND AFTERNOON.
GUSTS TO 40 MPH.
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 75
MPH.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 4200-4900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 30 TO 40 MPH.
* VENTILATION........EXCELLENT.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 18-28. SOUTHWEST WINDS 12 TO 17 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
TUESDAY
CLEAR. HIGHS 55-61. LOWS 18-28. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 53-59. LOWS 19-29. SOUTHWEST WINDS
10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 50-56.
LOWS 20-30. SOUTHWEST WINDS 10 TO 20 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 43-49. LOWS
18-28.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 39-45.
NVZ423-260045-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........60-66.
* MID SLOPE........55-65.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........30-40%.
* MID SLOPE........32-42%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 2100-3100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO FAIR IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........33-43.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........44-54%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH. GUSTS TO 30 MPH
INCREASING TO 35 MPH IN THE MORNING.
* MIXING HEIGHT......1100-1600 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........61-67.
* MID SLOPE........55-65.
* MIN HUMIDITY.......
* VALLEYS..........26-35%.
* MID SLOPE........27-37%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 15 TO 25 MPH
WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45
MPH.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 6700-7700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 30
MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 18-28. WEST WINDS 12 TO 18 MPH BECOMING
DOWNSLOPE 2 TO 5 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS 57-63. LOWS 18-28. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 58-64. LOWS 20-30. SLOPE WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 59-65. LOWS
21-31. SLOPE WINDS.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
53-61. LOWS 18-28.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
49-57.
NVZ429-260045-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........59-67.
* MID SLOPE........55-65.
* 24 HR TREND......7 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........26-36%.
* MID SLOPE........28-38%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 2000-3000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........26-36.
* MID SLOPE........33-43.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........50-60%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH.
* MIXING HEIGHT......1100-1600 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........61-71.
* MID SLOPE........57-67.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........17-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 14
MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 45
MPH.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 4800-5800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 23-33. WEST WINDS 9 TO 16 MPH BECOMING
DOWNSLOPE 2 TO 5 MPH.
TUESDAY
CLEAR. HIGHS 56-66. LOWS 23-33. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 58-66. LOWS 24-34. SLOPE WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 57-67. LOWS
25-35. SLOPE WINDS.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 52-62. LOWS
22-32.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
47-57.
CAZ270-278-NVZ458-260045-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........55-61.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........25-35%.
* MID SLOPE........29-39%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 2400-3400 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........31-41.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........76-86%.
* MID SLOPE........64-74%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTHWEST 7 TO 12
MPH AFTER MIDNIGHT. GUSTS TO 25 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH
INCREASING TO 45 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1400-1900 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF
SNOW IN THE MORNING. CHANCE OF RAIN IN THE
AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........27-37%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO 25 MPH
INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO
35 MPH IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH. GUSTS TO 50 MPH
DECREASING TO 35 MPH LATE IN THE AFTERNOON.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 5300-6300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH INCREASING TO WEST 20
TO 30 MPH IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 18-28. WEST WINDS 12 TO 18 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS 52-62. LOWS 18-28. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 53-63. LOWS 19-29. SLOPE WINDS.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
51-61. LOWS 18-28. SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND
SNOW. HIGHS 45-55. LOWS 16-26.
CAZ271-260045-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........54-64.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........29-39%.
* MID SLOPE........28-38%.
* 24 HR TREND......4% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 5 TO 10
MPH WITH GUSTS TO 20 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 3100-4100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........20-30.
* MID SLOPE........31-41.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........77-87%.
* MID SLOPE........63-73%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH. GUSTS TO 20 MPH
INCREASING TO 30 MPH IN THE LATE EVENING AND
OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
45 MPH IN THE MORNING.
* MIXING HEIGHT......1500-2000 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD DECREASING TO FAIR AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........47-57.
* MIN HUMIDITY.......
* VALLEYS..........29-39%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 35
MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 55
MPH.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 4600-5600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
* VENTILATION........EXCELLENT.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 13-23. WEST WINDS 9 TO 14 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
TUESDAY
CLEAR. HIGHS 54-64. LOWS 13-23. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 53-63. LOWS 14-24. SLOPE WINDS.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
49-59. LOWS 15-25. SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 43-53. LOWS
13-23.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 42-52.
CAZ274-260045-
SOUTHERN MONO COUNTY-
118 AM PDT SUN OCT 25 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........53-63.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........21-31%.
* 24 HR TREND......9% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 2400-3400 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........27-37.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........54-64%.
* MID SLOPE........49-59%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTHWEST 9 TO 14
MPH AFTER MIDNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 45
MPH.
* MIXING HEIGHT......1200-1700 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR.
MONDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........56-66.
* MID SLOPE........51-61.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........15-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 35 MPH
INCREASING TO 13 TO 20 MPH WITH GUSTS TO 35
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50
MPH.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 4100-5100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
MONDAY NIGHT
CLEAR. LOWS 21-31. SOUTHWEST WINDS 10 TO 17 MPH
BECOMING DOWNSLOPE 2 TO 5 MPH.
TUESDAY
CLEAR. HIGHS 58-68. LOWS 21-31. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY. HIGHS 55-65. LOWS 23-33. SOUTHWEST WINDS
10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 52-62. LOWS 21-31.
SOUTHWEST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
47-57. LOWS 17-27.
SATURDAY
PARTLY CLOUDY. CHANCE OF SNOW AND A SLIGHT CHANCE OF
RAIN. HIGHS 40-50.
.8 TO 14 DAY OUTLOOK FOR (SUN NOV 1 THROUGH FRI NOV 6)
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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