314
FNUS55 KREV 311208
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
508 AM PDT THU JUL 31 2025
...ELEVATED FIRE CONDITIONS RETURN SUNDAY DUE TO GUSTY WINDS AND LOW
RELATIVE HUMIDITY...
DISCUSSION
DRIER CONDITIONS WILL REDUCE STORM CHANCES TODAY AND BEYOND. HOWEVER,
STORMS REMAIN OF CONCERN OVER NE CA, FAR NORTH WASHOE AND NORTHERN
PERSHING. GUSTY WINDS AND DRY CONDITIONS RETURN ON SUNDAY AFTERNOON
THAT COULD LEAD TO ENHANCED FIRE WEATHER CONCERNS. GUSTY WINDS COULD
SPREAD HOLDOVER FIRES FROM THE RECENT LIGHTNING ACTIVITY. TEMPERATURES
WARM UP 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
NVZ420-010315-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........77-87.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........13-21%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 9000-10000 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.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........52-62.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........45-55%.
* MID SLOPE........30-40%.
* 24 HR TREND......13% DRIER.
* 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 15 MPH. GUSTS TO 25 MPH IN THE
EVENING.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......5500-6500 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........80-90.
* MID SLOPE........78-88.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........12-20%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 6700-7700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 48-58. WEST WINDS 9 TO 14 MPH.
SATURDAY
CLEAR. HIGHS 80-90. LOWS 48-58. WEST WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 78-88. LOWS 48-58. WEST WINDS
10 TO 15 MPH.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 82-92. LOWS 48-58.
NVZ421-010315-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........72-82.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........9-19%.
* 24 HR TREND......15% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 8 TO 13
MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 10900-11900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........40-50.
* MID SLOPE........53-63.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........36-46%.
* MID SLOPE........26-36%.
* 24 HR TREND......17% DRIER.
* 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.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......6200-7200 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........80-90.
* MID SLOPE........73-83.
* MIN HUMIDITY.......
* VALLEYS..........8-18%.
* MID SLOPE........8-18%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH LATE
IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 8200-9200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 39-49. WEST WINDS 9 TO 14 MPH.
SATURDAY
CLEAR. HIGHS 80-90. LOWS 39-49. WEST WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 80-90. LOWS 39-49. WEST WINDS
10 TO 15 MPH.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 82-92. LOWS 40-50.
CAZ272-010315-
GREATER LAKE TAHOE AND TRUCKEE AREA-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........67-77.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........20-30%.
* 24 HR TREND......20% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 6700-7700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........40-50.
* MID SLOPE........44-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........56-66%.
* MID SLOPE........36-46%.
* 24 HR TREND......22% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3200-4200 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........68-78.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........17-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH LATE
IN THE AFTERNOON.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 5500-6500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 39-49. WEST WINDS 5 TO 10 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
CLEAR. HIGHS 70-80. LOWS 39-49. SLOPE WINDS.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 68-78. LOWS 40-50. SLOPE
WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 72-82. LOWS 41-51.
NVZ423-010315-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........86-92.
* MID SLOPE........80-90.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........11-17%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 8 TO 13
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 9900-10900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........54-64.
* MID SLOPE........56-65.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........43-53%.
* MID SLOPE........31-41%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 8 TO 13 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......5600-6600 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........88-96.
* MID SLOPE........83-93.
* MIN HUMIDITY.......
* VALLEYS..........10-16%.
* MID SLOPE........10-16%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 20
MPH UNTIL LATE AFTERNOON BECOMING LIGHT.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 8000-9000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. LOWS 54-64. WEST WINDS 7 TO
12 MPH.
SATURDAY
CLEAR. HIGHS 88-94. LOWS 54-64. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 88-96. LOWS 52-62. WEST WINDS 10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 83-91. LOWS 52-62. SLOPE WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 87-97. LOWS 52-62.
NVZ429-010315-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........84-94.
* MID SLOPE........80-90.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........8-16%.
* MID SLOPE........8-15%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 10400-11400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........54-64.
* MID SLOPE........56-66.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........34-44%.
* MID SLOPE........26-36%.
* 24 HR TREND......13% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 8 TO 13 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......6200-7200 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........87-97.
* MID SLOPE........83-93.
* MIN HUMIDITY.......
* VALLEYS..........7-15%.
* MID SLOPE........7-14%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH SHIFTING TO THE WEST
WITH GUSTS TO 25 MPH LATE IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 7500-8500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 54-64. WEST WINDS 9 TO 14 MPH.
SATURDAY
CLEAR. HIGHS 85-95. LOWS 53-63. SLOPE WINDS.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 85-95. LOWS 51-61. WEST WINDS
10 TO 15 MPH.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 88-98. LOWS 52-62.
CAZ270-278-NVZ458-010315-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHANCE OF THUNDER..20%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........74-84.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........18-28%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 8 TO 13 MPH
WITH GUSTS TO 20 MPH IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 8900-9900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING.
* CHANCE OF THUNDER..20%.
* MIN TEMPERATURE....
* VALLEYS..........47-57.
* MID SLOPE........49-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........58-68%.
* MID SLOPE........44-54%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......4500-5500 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........82-92.
* MID SLOPE........78-86.
* MIN HUMIDITY.......
* VALLEYS..........10-20%.
* MID SLOPE........13-23%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 7100-8100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 47-57. WEST
WINDS 8 TO 13 MPH UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
CLEAR. HIGHS 81-91. LOWS 47-57. SLOPE WINDS.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 81-91. LOWS
44-54. WEST WINDS 10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 77-87. LOWS 44-54. SLOPE WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 83-93. LOWS 45-55.
CAZ271-010315-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHANCE OF THUNDER..10%.
* MAX TEMPERATURE....
* VALLEYS..........76-86.
* MID SLOPE........73-83.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........18-28%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH
WITH GUSTS TO 20 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH WITH
GUSTS TO 20 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 8900-9900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........47-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........45-55%.
* 24 HR TREND......10% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH UNTIL EARLY MORNING
BECOMING LIGHT.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......4200-5200 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........78-88.
* MID SLOPE........76-84.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........15-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE
SOUTHWEST LATE IN THE AFTERNOON.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 7700-8700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 39-49. WEST WINDS 8 TO 13 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
CLEAR. HIGHS 77-87. LOWS 39-49. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 76-86. LOWS 38-48. SOUTHWEST WINDS 10 TO
15 MPH.
MONDAY
CLEAR. HIGHS 73-83. LOWS 38-48. SLOPE WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 79-89. LOWS 39-49.
CAZ274-010315-
SOUTHERN MONO COUNTY-
508 AM PDT THU JUL 31 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........75-85.
* MID SLOPE........72-82.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........7-17%.
* MID SLOPE........8-16%.
* 24 HR TREND......10% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH
WITH GUSTS TO 20 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 11100-12100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........43-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........42-52%.
* MID SLOPE........30-40%.
* 24 HR TREND......11% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING LIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......6400-7400 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........77-87.
* MID SLOPE........72-82.
* MIN HUMIDITY.......
* VALLEYS..........7-17%.
* MID SLOPE........8-16%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH
WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH WITH
GUSTS TO 25 MPH IN THE LATE MORNING AND
AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 7200-8200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 38-48. WEST WINDS 9 TO 15 MPH DECREASING
TO 7 TO 12 MPH AFTER MIDNIGHT.
SATURDAY
CLEAR. HIGHS 77-87. LOWS 38-48. WEST WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 77-87. LOWS 38-48. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 79-89. LOWS 38-48.
.8 TO 14 DAY OUTLOOK FOR (THU AUG 7 THROUGH WED AUG 13)
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
=
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