406
FNUS55 KREV 232024
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
124 PM PDT THU APR 23 2026
DISCUSSION
* 15-30% CHANCE OF SHOWERS AND THUNDERSTORMS FRIDAY AFTERNOON.
* WETTING RAINS AND MOUNTAIN SNOW FOR THE SIERRA AND AREAS SOUTH OF
HIGHWAY 50 LATE SATURDAY INTO SUNDAY.
* 10-20% CHANCE OF SHOWERS FOR AT LEAST THE FIRST HALF OF NEXT WEEK.
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
NVZ420-241430-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........28-38.
* MID SLOPE........32-41.
* 24 HR TREND......6 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........40-50%.
* 24 HR TREND......22% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3000-4000 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........62-72.
* MID SLOPE........57-67.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........15-25%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH LATE IN
THE AFTERNOON.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 6500-7500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING CLEAR. SLIGHT
CHANCE OF SHOWERS IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........32-42.
* MAX HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........55-65%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 16 MPH. GUSTS TO 25 MPH UNTIL
EARLY MORNING.
* RIDGE TOP........WEST WINDS 10 TO 16 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......3300-4300 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........59-69.
* MID SLOPE........55-65.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........21-31%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 16 MPH
WITH GUSTS TO 25 MPH.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 6200-7200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS
30-40. WEST WINDS 15 TO 25 MPH DECREASING TO 9 TO 16 MPH AFTER
MIDNIGHT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 52-62. LOWS 25-35.
WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. HIGHS 56-65. LOWS 25-35. WEST WINDS 10 TO
15 MPH.
TUESDAY
CLEAR. HIGHS 62-71. LOWS 28-38. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 64-74. LOWS 32-42.
THURSDAY
SUNNY. HIGHS 67-76.
NVZ421-241430-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........32-42.
* 24 HR TREND......8 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........35-45%.
* 24 HR TREND......17% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 8 TO 13 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3000-4000 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...10%.
* MAX TEMPERATURE....
* VALLEYS..........56-66.
* MID SLOPE........49-59.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........15-25%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH LATE
IN THE AFTERNOON.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 5200-6200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........33-43.
* MAX HUMIDITY.......
* VALLEYS..........65-75%.
* MID SLOPE........48-58%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN
THE EVENING.
* MIXING HEIGHT......2400-3400 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...25%.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........20-30%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH
WITH GUSTS TO 25 MPH IN THE AFTERNOON. UNCERTAIN FORECAST FOR NEXT WEEK WITH A GRADUAL WARMING TREND AND
VARIABLE CHANCES FOR SHOWERS
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 5100-6100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
SNOW SHOWERS LIKELY IN THE EVENING, THEN CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS 24-34. WEST WINDS 9 TO 16 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 49-59. LOWS 19-29.
WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. HIGHS 52-62.
LOWS 19-29. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 58-68.
LOWS 22-32. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. HIGHS
60-70. LOWS 27-37.
THURSDAY
SUNNY. HIGHS 61-71.
CAZ272-241430-
GREATER LAKE TAHOE AND TRUCKEE AREA-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........30-40.
* 24 HR TREND......9 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........76-86%.
* MID SLOPE........48-58%.
* 24 HR TREND......15% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2400-3400 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...10%.
* MAX TEMPERATURE....
* VALLEYS..........50-58.
* MID SLOPE........47-57.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........39-49%.
* MID SLOPE........29-39%.
* 24 HR TREND......12% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH WITH
GUSTS TO 25 MPH IN THE AFTERNOON.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 3700-4700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...10%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........25-34.
* MAX HUMIDITY.......
* VALLEYS..........82-92%.
* MID SLOPE........65-75%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......1600-2100 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...10%.
* MAX TEMPERATURE....
* VALLEYS..........47-55.
* MID SLOPE........43-53.
* MIN HUMIDITY.......
* VALLEYS..........41-51%.
* MID SLOPE........35-45%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 14
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 3900-4900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 25-35. WEST
WINDS 9 TO 14 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 39-47. LOWS 23-33.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. HIGHS 46-54.
LOWS 23-33. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 53-60.
LOWS 24-34. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 54-61. LOWS 29-39.
THURSDAY
SUNNY. HIGHS 57-65.
NVZ423-241430-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........30-40.
* MID SLOPE........33-42.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........46-56%.
* MID SLOPE........34-44%.
* 24 HR TREND......22% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS. GUSTS TO 20 MPH LATE IN THE NIGHT.
* MIXING HEIGHT......2900-3900 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........66-72.
* MID SLOPE........61-71.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........11-16%.
* MID SLOPE........12-19%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* MIXING HEIGHT......1500-2500 FT AGL INCREASING TO 6800-7800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........33-43.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........38-48%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......4300-5300 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........64-70.
* MID SLOPE........58-68.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........18-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 6500-7500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING,
THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS 34-44. WEST WINDS
9 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 56-61. LOWS 31-41. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
60-66. LOWS 31-41. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 64-69. LOWS 32-42. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 68-73. LOWS 36-46.
THURSDAY
SUNNY. HIGHS 72-78.
NVZ429-241430-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........33-43.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........46-56%.
* MID SLOPE........36-46%.
* 24 HR TREND......21% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS. GUSTS TO 20 MPH IN THE EVENING.
* MIXING HEIGHT......2700-3700 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........63-73.
* MID SLOPE........58-68.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........11-20%.
* MID SLOPE........11-21%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 7 TO 12 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 6600-7600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........33-43.
* MID SLOPE........35-45.
* MAX HUMIDITY.......
* VALLEYS..........58-68%.
* MID SLOPE........48-58%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* MIXING HEIGHT......4000-5000 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........61-71.
* MID SLOPE........56-66.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........17-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 6600-7600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLOUDY. CHANCE OF SHOWERS. LOWS 35-45. WEST WINDS
9 TO 17 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 56-65. LOWS 29-39.
WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. HIGHS 58-67. LOWS 29-39. NORTHWEST WINDS
10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 64-74.
LOWS 32-42. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 66-76. LOWS 36-46.
THURSDAY
SUNNY. HIGHS 67-77.
CAZ270-278-NVZ458-241430-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........30-40.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........56-66%.
* MID SLOPE........43-53%.
* 24 HR TREND......25% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3100-4100 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........62-72.
* MID SLOPE........56-66.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........14-24%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 15 MPH
WITH GUSTS TO 25 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 6900-7900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........31-41.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........55-65%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 16 MPH. GUSTS TO 25 MPH UNTIL
EARLY MORNING.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH.
* MIXING HEIGHT......4100-5100 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........58-68.
* MID SLOPE........53-63.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........25-35%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 17 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 5700-6700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 30-40. WEST
WINDS 13 TO 20 MPH DECREASING TO 7 TO 12 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 50-60. LOWS 28-38. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 54-64. LOWS 27-37. WEST WINDS 10 TO 15 MPH.
TUESDAY
CLEAR. HIGHS 61-71. LOWS 27-37. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
CLEAR. HIGHS 65-75. LOWS 31-41.
CAZ271-241430-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........26-36.
* MID SLOPE........28-38.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........71-81%.
* MID SLOPE........53-63%.
* 24 HR TREND......20% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3000-4000 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........58-68.
* MID SLOPE........56-66.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........19-29%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
* MIXING HEIGHT......1500-2500 FT AGL INCREASING TO 6200-7200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. SLIGHT
CHANCE OF SHOWERS IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........29-39.
* MAX HUMIDITY.......
* VALLEYS..........83-93%.
* MID SLOPE........73-83%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN
THE EVENING.
* MIXING HEIGHT......2500-3500 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF
SHOWERS.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........54-62.
* MID SLOPE........51-61.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........28-38%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 16 MPH
WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN
THE LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 5000-6000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 20 MPH IN
THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. CHANCE OF SHOWERS. LOWS 28-38. WEST WINDS 9 TO 16 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
SNOW SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.
HIGHS 44-54. LOWS 26-36. WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
HIGHS 50-60. LOWS 26-36. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 59-67. LOWS 26-36. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
CLEAR. HIGHS 62-72. LOWS 29-39.
CAZ274-241430-
SOUTHERN MONO COUNTY-
124 PM PDT THU APR 23 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........28-38.
* 24 HR TREND......8 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........58-68%.
* MID SLOPE........42-52%.
* 24 HR TREND......11% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3300-4300 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........51-61.
* MID SLOPE........48-58.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........19-29%.
* 24 HR TREND......10% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 8 TO 13
MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH
LATE IN THE AFTERNOON.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 4700-5700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........21-31.
* MID SLOPE........24-34.
* MAX HUMIDITY.......
* VALLEYS..........69-79%.
* MID SLOPE........53-63%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH UNTIL
EARLY MORNING.
* MIXING HEIGHT......2800-3800 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SHOWERS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...25%.
* MAX TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........21-31%.
* MID SLOPE........24-34%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 6 TO 11
MPH WITH GUSTS TO 20 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 5100-6100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
SHOWERS LIKELY IN THE EVENING, THEN SNOW SHOWERS
LIKELY AFTER MIDNIGHT. LOWS 23-33. WEST WINDS 9 TO 14 MPH UNTIL
EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 45-55. LOWS 18-28.
WEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. HIGHS 49-59.
LOWS 18-28. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 54-64.
LOWS 22-32. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 54-64.
LOWS 25-35.
THURSDAY
PARTLY CLOUDY. HIGHS 55-65.
.8 TO 14 DAY OUTLOOK FOR (FRI MAY 1 THROUGH THU MAY 7)
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
=
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