813
FNUS55 KREV 271155
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
455 AM PDT WED MAY 27 2026
DISCUSSION
A SLOW MOVING STORM OVER WESTERN NV WILL BRING WELL BELOW AVERAGE
TEMPERATURES, HIGH HUMIDITY, A FEW THUNDERSTORMS, WETTING RAINFALL,
AND MOUNTAIN SNOW TODAY THROUGH THURSDAY. A WARMING AND DRYING TREND
THEN BEGINS FRIDAY, WITH ABOVE AVERAGE TEMPERATURES RETURNING BY THE
START OF JUNE.
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
NVZ420-280015-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...55%.
* MAX TEMPERATURE....
* VALLEYS..........49-57.
* MID SLOPE........43-53.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........46-56%.
* MID SLOPE........50-60%.
* 24 HR TREND......23% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 16 MPH WITH GUSTS TO 30 MPH
BECOMING UPSLOPE 4 TO 8 MPH IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH. GUSTS TO 40 MPH IN THE
MORNING.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 2700-3700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........VERY GOOD.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...20%.
* MIN TEMPERATURE....
* VALLEYS..........30-40.
* MID SLOPE........32-41.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........78-88%.
* MID SLOPE........70-80%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2000-3000 FT AGL DECREASING TO 700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...25%.
* MAX TEMPERATURE....
* VALLEYS..........56-66.
* MID SLOPE........51-61.
* MIN HUMIDITY.......
* VALLEYS..........30-40%.
* MID SLOPE........41-51%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 4900-5900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 33-43. WEST WINDS 8 TO
13 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 59-69. LOWS
33-43. WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 64-74. LOWS 35-45. WEST WINDS 10 TO
15 MPH.
SUNDAY
CLEAR. HIGHS 68-78. LOWS 38-48. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 75-85. LOWS 41-51.
NVZ421-280015-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...10%.
* MAX TEMPERATURE....
* VALLEYS..........47-57.
* MID SLOPE........41-51.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........33-43%.
* MID SLOPE........33-43%.
* 24 HR TREND......17% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 7 TO 12
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......2300-3300 FT AGL INCREASING TO 4900-5900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........VERY GOOD.
TONIGHT
* SKY/WEATHER........SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
SHOWERS AFTER MIDNIGHT.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...40%.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........32-42.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........77-87%.
* MID SLOPE........64-74%.
* 24 HR TREND......11% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2300-3300 FT AGL DECREASING TO 800-1300 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHANCE OF THUNDER..30%.
* CHC WETTING RAIN...50%.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........43-53.
* MIN HUMIDITY.......
* VALLEYS..........35-45%.
* MID SLOPE........39-49%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2300-3300 FT AGL INCREASING TO 5500-6500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 26-36.
DOWNSLOPE WINDS 2 TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 56-66. LOWS
26-36. SLOPE WINDS.
SATURDAY
CLEAR. HIGHS 63-73. LOWS 28-38. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 67-77. LOWS 30-40. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 74-84. LOWS 34-44.
CAZ272-280015-
GREATER LAKE TAHOE AND TRUCKEE AREA-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........SNOW SHOWERS LIKELY IN THE MORNING, THEN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...20%.
* MAX TEMPERATURE....
* VALLEYS..........39-44.
* MID SLOPE........34-44.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........69-79%.
* 24 HR TREND......19% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 2300-3300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........GOOD.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........25-34.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........90-100%.
* MID SLOPE........84-94%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING EAST 10 TO 15 MPH WITH
GUSTS TO 20 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1700-2200 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..30%.
* CHC WETTING RAIN...45%.
* MAX TEMPERATURE....
* VALLEYS..........47-53.
* MID SLOPE........41-51.
* MIN HUMIDITY.......
* VALLEYS..........64-74%.
* MID SLOPE........62-72%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 4300-5300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING.
LOWS 29-39. DOWNSLOPE WINDS 2 TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 51-57. LOWS 29-39.
SLOPE WINDS.
SATURDAY
CLEAR. HIGHS 57-65. LOWS 30-40. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 61-70. LOWS 32-42. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 67-77. LOWS 35-45.
NVZ423-280015-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...50%.
* MAX TEMPERATURE....
* VALLEYS..........54-63.
* MID SLOPE........50-60.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........35-45%.
* MID SLOPE........37-47%.
* 24 HR TREND......14% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH SHIFTING TO THE SOUTH 9
TO 14 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH. GUSTS TO 45 MPH
DECREASING TO 35 MPH IN THE AFTERNOON.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 3000-4000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH SHIFTING TO THE SOUTH 15 TO
20 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........36-44.
* MID SLOPE........37-45.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........59-69%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTHEAST IN THE LATE EVENING AND OVERNIGHT.
GUSTS TO 35 MPH.
* MIXING HEIGHT......2000-3000 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS IN THE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...20%.
* MAX TEMPERATURE....
* VALLEYS..........62-70.
* MID SLOPE........57-67.
* MIN HUMIDITY.......
* VALLEYS..........28-38%.
* MID SLOPE........30-40%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 6800-7800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 39-48. DOWNSLOPE WINDS 2 TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 63-71. LOWS 39-49. WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
69-75. LOWS 40-50. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 73-79. LOWS 40-50. SLOPE WINDS.
MONDAY
CLEAR. HIGHS 78-86. LOWS 42-52.
TUESDAY
SUNNY. HIGHS 83-91.
NVZ429-280015-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...50%.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........49-59.
* 24 HR TREND......9 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........29-39%.
* 24 HR TREND......19% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 4200-5200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF SHOWERS.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...20%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........35-45.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........75-85%.
* MID SLOPE........64-74%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 7 TO 12 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH.
* MIXING HEIGHT......2600-3600 FT AGL DECREASING TO 700-1200 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...15%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........53-63.
* MIN HUMIDITY.......
* VALLEYS..........29-39%.
* MID SLOPE........32-42%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* MIXING HEIGHT......2400-3400 FT AGL INCREASING TO 7900-8900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 35-45.
NORTH WINDS 7 TO 12 MPH BECOMING DOWNSLOPE 2 TO 5 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 61-71. LOWS 35-45.
WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 66-76. LOWS 39-49. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 70-80. LOWS 40-50. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 78-88. LOWS 42-52.
CAZ270-278-NVZ458-280015-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...55%.
* MAX TEMPERATURE....
* VALLEYS..........51-61.
* MID SLOPE........50-60.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........40-50%.
* MID SLOPE........39-49%.
* 24 HR TREND......12% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 30 MPH
SHIFTING TO THE SOUTH 8 TO 13 MPH IN THE
AFTERNOON.
* RIDGE TOP........NORTH WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH
SHIFTING TO THE NORTHEAST 15 TO 25 MPH WITH
GUSTS TO 40 MPH IN THE LATE MORNING AND
AFTERNOON.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 3400-4400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHEAST 20 TO 30 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........32-42.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........74-84%.
* MID SLOPE........64-74%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH SHIFTING TO THE NORTHEAST 10 TO 20 MPH
WITH GUSTS TO 35 MPH IN THE LATE EVENING AND
OVERNIGHT.
* MIXING HEIGHT......2400-3400 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH IN THE EVENING BECOMING
LIGHT.
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...20%.
* MAX TEMPERATURE....
* VALLEYS..........58-68.
* MID SLOPE........55-65.
* MIN HUMIDITY.......
* VALLEYS..........28-38%.
* MID SLOPE........30-40%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 4900-5900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF
SHOWERS. LOWS 36-46. WEST WINDS 7 TO 12 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS 59-69. LOWS 36-46. WEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
64-74. LOWS 34-44. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 67-77. LOWS 34-44. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 76-86. LOWS 37-47.
CAZ271-280015-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...55%.
* MAX TEMPERATURE....
* VALLEYS..........45-55.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........72-82%.
* 24 HR TREND......15% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 1900-2900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...10%.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........28-38.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........86-96%.
* MID SLOPE........84-94%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1600-2100 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHANCE OF THUNDER..30%.
* CHC WETTING RAIN...40%.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........49-59.
* MIN HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........53-63%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 3000-4000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
EXTENDED
THURSDAY NIGHT
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS
30-40. WEST WINDS 7 TO 12 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO
5 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 55-65. LOWS 30-40.
SLOPE WINDS.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
61-71. LOWS 31-41. WEST WINDS 10 TO 15 MPH.
SUNDAY
CLEAR. HIGHS 66-76. LOWS 31-41. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 73-83. LOWS 35-45.
CAZ274-280015-
SOUTHERN MONO COUNTY-
455 AM PDT WED MAY 27 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
IN THE MORNING, THEN CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...10%.
* MAX TEMPERATURE....
* VALLEYS..........46-56.
* MID SLOPE........41-51.
* 24 HR TREND......8 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........21-31%.
* MID SLOPE........27-37%.
* 24 HR TREND......7% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* MIXING HEIGHT......3100-4100 FT AGL INCREASING TO 6100-7100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
SHOWERS AFTER MIDNIGHT.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...35%.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........25-33.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........82-92%.
* MID SLOPE........69-79%.
* 24 HR TREND......15% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.
* MIXING HEIGHT......3300-4300 FT AGL DECREASING TO 800-1300 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* CHC WETTING RAIN...35%.
* MAX TEMPERATURE....
* VALLEYS..........46-56.
* MID SLOPE........42-52.
* MIN HUMIDITY.......
* VALLEYS..........36-46%.
* MID SLOPE........42-52%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN
THE LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......2100-3100 FT AGL INCREASING TO 5300-6300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 25-35.
DOWNSLOPE WINDS 2 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 54-64. LOWS
25-35. SLOPE WINDS.
SATURDAY
CLEAR. HIGHS 60-70. LOWS 28-38. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 64-74. LOWS 30-40. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 70-80. LOWS 35-45.
.8 TO 14 DAY OUTLOOK FOR (WED JUN 3 THROUGH TUE JUN 9)
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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