071
FNUS55 KREV 101118
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
418 AM PDT FRI APR 10 2026
DISCUSSION
AN INCOMING STORM BRINGS NOTABLY COOLER WEATHER TO THE REGION TODAY,
WITH INCREASING AFTERNOON THUNDERSTORMS AND HIGH ELEVATION SIERRA
SNOW. BY SATURDAY, WIDESPREAD GUSTY WINDS AND RAIN SHOWERS WILL
DEVELOP WITH LESSER ISOLATED THUNDERSTORM CHANCES, ALONGSIDE IMPACTFUL
SIERRA SNOWFALL THAT IS EXPECTED TO LAST THROUGH SUNDAY NIGHT.
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
NVZ420-110030-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS LIKELY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........53-63.
* 24 HR TREND......6 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........27-37%.
* MID SLOPE........31-41%.
* 24 HR TREND......11% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 16
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 16 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...50%.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 4200-5200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
EVENING, THEN CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........30-40.
* MID SLOPE........32-41.
* 24 HR TREND......4 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........64-74%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH. GUSTS TO 25 MPH IN
THE EVENING.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......2300-3300 FT AGL DECREASING TO 800-1300 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15
MPH AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........54-64.
* MID SLOPE........49-59.
* MIN HUMIDITY.......
* VALLEYS..........23-33%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 7 TO 12 MPH WITH GUSTS TO 20 MPH
INCREASING TO SOUTHWEST 10 TO 18 MPH WITH
GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40
MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 5400-6400 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
SATURDAY NIGHT
CLOUDY, SHOWERS. LOWS 27-37. SOUTHWEST WINDS 9 TO
17 MPH DECREASING TO 7 TO 12 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. HIGHS 46-56. LOWS 22-32.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 50-58. LOWS
22-32. WEST WINDS 10 TO 15 MPH.
TUESDAY
CLEAR. HIGHS 55-65. LOWS 22-32. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 60-70. LOWS 26-36.
THURSDAY
MOSTLY CLOUDY. HIGHS 57-67.
NVZ421-110030-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........50-60.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........17-27%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 15 TO 25
MPH WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH.
* CHC WETTING RAIN...25%.
* MIXING HEIGHT......2300-3300 FT AGL INCREASING TO 5800-6800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 30 MPH
IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. PATCHY SMOKE IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........31-41.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........70-80%.
* MID SLOPE........52-62%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 55
MPH.
* CHC WETTING RAIN...40%.
* MIXING HEIGHT......2900-3900 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH DECREASING TO 10 TO 15
MPH AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........45-55.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........18-28%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 15 TO 25
MPH WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45
MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 5400-6400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 20
TO 30 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. SHOWERS. LOWS 19-29. SOUTH WINDS
15 TO 25 MPH DECREASING TO 9 TO 14 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY. SNOW SHOWERS. HIGHS 41-51. LOWS 12-22.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 45-55. LOWS
12-22. WEST WINDS 10 TO 15 MPH.
TUESDAY
CLEAR. HIGHS 53-63. LOWS 14-24. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 57-67. LOWS
20-30.
CAZ272-110030-
GREATER LAKE TAHOE AND TRUCKEE AREA-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........46-52.
* MID SLOPE........41-51.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........54-64%.
* MID SLOPE........49-59%.
* 24 HR TREND......9% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 14
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
45 MPH LATE IN THE AFTERNOON.
* CHC WETTING RAIN...55%.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 2800-3800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 15 TO 20 MPH SHIFTING TO THE SOUTHWEST
20 TO 30 MPH IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. SHOWERS LIKELY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........26-35.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........89-99%.
* MID SLOPE........82-92%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO 55
MPH.
* CHC WETTING RAIN...50%.
* MIXING HEIGHT......1700-2200 FT AGL DECREASING TO 1000-1500 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
* VENTILATION........EXCELLENT DECREASING TO VERY GOOD AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........CLOUDY. SHOWERS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........42-48.
* MID SLOPE........37-47.
* MIN HUMIDITY.......
* VALLEYS..........53-63%.
* MID SLOPE........48-58%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH. GUSTS TO 25 MPH
INCREASING TO 30 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 50
MPH.
* CHC WETTING RAIN...40%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 3100-4100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLOUDY, SHOWERS. LOWS 20-30. SOUTH WINDS 9 TO
14 MPH UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLOUDY. SNOW SHOWERS. HIGHS 34-40. LOWS 18-28. SLOPE
WINDS.
MONDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 38-46. LOWS
18-28. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 45-52. LOWS 18-28. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 48-57. LOWS
22-32.
NVZ423-110030-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........64-72.
* MID SLOPE........59-69.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........33-43%.
* 24 HR TREND......18% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 14
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...45%.
* MIXING HEIGHT......1500-2000 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.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........36-46.
* MID SLOPE........37-46.
* 24 HR TREND......6 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........75-85%.
* MID SLOPE........64-74%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* CHC WETTING RAIN...55%.
* MIXING HEIGHT......1700-2700 FT AGL DECREASING TO 1100-1600 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........VERY GOOD DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY. SNOW SHOWERS LIKELY IN THE
MORNING, THEN CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........60-66.
* MID SLOPE........54-64.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........24-34%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 15 MPH
WITH GUSTS TO 25 MPH IN THE LATE MORNING AND
AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
* CHC WETTING RAIN...20%.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 5600-6600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLOUDY. SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 33-42. SOUTHWEST WINDS 9 TO 14 MPH SHIFTING TO
THE NORTH 7 TO 12 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 52-58. LOWS 29-39.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 52-57. LOWS 28-38.
WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS 59-65. LOWS 28-38. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 64-70. LOWS 30-40.
THURSDAY
MOSTLY CLOUDY. HIGHS 58-66.
NVZ429-110030-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........63-73.
* MID SLOPE........59-69.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........17-27%.
* 24 HR TREND......5% WETTER.
* 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. GUSTS TO 40 MPH.
* CHC WETTING RAIN...25%.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 7300-8300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 15 TO 25 MPH IN THE
AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. PATCHY SMOKE IN THE EVENING.
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........33-43.
* MID SLOPE........35-45.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........50-60%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH WITH GUSTS TO 30 MPH
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH
UNTIL EARLY MORNING BECOMING LIGHT.
* CHC WETTING RAIN...35%.
* MIXING HEIGHT......3900-4900 FT AGL DECREASING TO 1000-1500 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 15 TO 25 MPH IN THE EVENING BECOMING
LIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........59-69.
* MID SLOPE........55-65.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........19-29%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 6300-7300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 15 TO 25 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 32-42. SOUTHWEST WINDS 9 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 50-59. LOWS 25-35.
SOUTHWEST WINDS 10 TO 20 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 50-60. LOWS
25-35. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
CLEAR. HIGHS 57-67. LOWS 28-38. NORTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY. HIGHS 64-72. LOWS 30-40.
THURSDAY
MOSTLY CLOUDY. HIGHS 61-69.
CAZ270-278-NVZ458-110030-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........55-65.
* MID SLOPE........53-61.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........38-48%.
* MID SLOPE........44-54%.
* 24 HR TREND......16% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 17
MPH WITH GUSTS TO 25 MPH IN THE LATE MORNING
AND AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...45%.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 3900-4900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........31-40.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........80-90%.
* MID SLOPE........75-85%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH. GUSTS TO 25 MPH IN
THE EVENING.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1900-2900 FT AGL DECREASING TO 1000-1500 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15
MPH AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........32-42%.
* MID SLOPE........41-51%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 17 MPH WITH GUSTS TO 30 MPH
SHIFTING TO THE SOUTHWEST 13 TO 20 MPH WITH
GUSTS TO 30 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH.
* CHC WETTING RAIN...15%.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 4300-5300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 15 TO 20 MPH SHIFTING TO THE SOUTHWEST
20 TO 30 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLOUDY, SHOWERS. LOWS 28-38. SOUTHWEST WINDS 10 TO
17 MPH SHIFTING TO THE SOUTH 8 TO 13 MPH IN THE LATE EVENING AND
OVERNIGHT.
SUNDAY
CLOUDY. SHOWERS LIKELY. HIGHS 43-53. LOWS 26-36. SOUTHWEST
WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 46-56. LOWS
25-35. WEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS 53-63. LOWS 25-35. WEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 56-66.
LOWS 27-37.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 53-63.
CAZ271-110030-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........46-56.
* 24 HR TREND......8 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........50-60%.
* MID SLOPE........49-59%.
* 24 HR TREND......16% WETTER.
* 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 35
MPH.
* CHC WETTING RAIN...45%.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 3200-4200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO SOUTHWEST 20
TO 30 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........29-39.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........86-96%.
* MID SLOPE........84-94%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 40
MPH.
* CHC WETTING RAIN...40%.
* MIXING HEIGHT......1800-2800 FT AGL DECREASING TO 900-1400 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........CLOUDY. SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........43-53.
* MID SLOPE........40-50.
* MIN HUMIDITY.......
* VALLEYS..........50-60%.
* MID SLOPE........52-62%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH
WITH GUSTS TO 30 MPH IN THE LATE MORNING AND
AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 45 MPH.
* CHC WETTING RAIN...55%.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 2700-3700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLOUDY, SHOWERS. LOWS 22-32. SOUTH WINDS 8 TO
13 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLOUDY. CHANCE OF SHOWERS. HIGHS 39-47. LOWS 21-31.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 42-52. LOWS 21-31.
SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. HIGHS 49-59. LOWS 21-31. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 52-62. LOWS
23-33.
CAZ274-110030-
SOUTHERN MONO COUNTY-
418 AM PDT FRI APR 10 2026
TODAY
* SKY/WEATHER........SUNNY THEN BECOMING MOSTLY CLOUDY. CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. PATCHY SMOKE IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........49-59.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........17-27%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 15 TO 25
MPH WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH.
* CHC WETTING RAIN...15%.
* MIXING HEIGHT......2400-3400 FT AGL INCREASING TO 6000-7000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 30 MPH
IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY SMOKE IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF
SHOWERS.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........21-31.
* MID SLOPE........23-33.
* 24 HR TREND......5 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........53-63%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH DECREASING TO 9 TO 16 MPH WITH GUSTS TO 25
MPH IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45
MPH.
* CHC WETTING RAIN...30%.
* MIXING HEIGHT......3400-4400 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH DECREASING TO 15 TO 20
MPH AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........48-58.
* MID SLOPE........45-55.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........20-30%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO SOUTH 13 TO 20 MPH WITH GUSTS TO
30 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45
MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 4600-5600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 20
TO 30 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING.
LOWS 16-26. SOUTH WINDS 15 TO 25 MPH DECREASING TO 9 TO 15 MPH AFTER
MIDNIGHT.
SUNDAY
MOSTLY CLOUDY. SNOW SHOWERS. HIGHS 36-46. LOWS 11-21.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. HIGHS 41-51.
LOWS 11-21. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 49-59. LOWS 14-24. SLOPE WINDS.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS 53-63. LOWS
20-30.
.8 TO 14 DAY OUTLOOK FOR (FRI APR 17 THROUGH THU APR 23)
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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