749
FNUS55 KREV 190951
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
251 AM PDT MON MAY 19 2025
DISCUSSION
HIGH PRESSURE ALOFT WILL PROMOTE WARM AND VERY DRY CONDITIONS THROUGH MUCH
OF THIS WEEK. DAYTIME HUMIDITY WILL FALL INTO THE SINGLE DIGITS AND TEENS
(20S FOR HIGHEST ELEVATIONS) AREAWIDE AFTER TODAY WITH POOR OVERNIGHT
RECOVERIES FROM LOWER VALLEYS TO THE MIDSLOPES. WINDS WILL REMAIN LIGHT,
BESIDES TYPICAL AFTERNOON BREEZES, BUT MAY BECOME MORE ENHANCED BY LATE 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
NVZ420-200015-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........66-76.
* MID SLOPE........64-74.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........17-27%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 9 TO 14
MPH IN THE LATE MORNING AND AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 5800-6800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........38-48.
* MID SLOPE........38-47.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........57-67%.
* MID SLOPE........47-57%.
* 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.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......4000-5000 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........71-81.
* MID SLOPE........68-78.
* MIN HUMIDITY.......
* VALLEYS..........10-20%.
* MID SLOPE........11-19%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 8 TO 13
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING NORTHWEST 10 TO 15 MPH LATE
IN THE AFTERNOON. GUSTS TO 25 MPH LATE IN THE
AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 5100-6100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 40-50. NORTHWEST WINDS 9 TO 15 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
WEDNESDAY
CLEAR. HIGHS 75-85. LOWS 40-50. WEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 74-84. LOWS 40-50. WEST
WINDS 10 TO 15 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 72-82. LOWS 42-52.
NVZ421-200015-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........65-75.
* MID SLOPE........59-69.
* 24 HR TREND......7 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........13-23%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 9 TO 15 MPH IN
THE LATE MORNING AND AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING NORTHWEST 10 TO 20 MPH WITH
GUSTS TO 30 MPH IN THE LATE MORNING AND
AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 5300-6300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........33-43.
* MID SLOPE........38-48.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........46-56%.
* MID SLOPE........38-48%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN THE
EVENING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3700-4700 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........64-74.
* MIN HUMIDITY.......
* VALLEYS..........8-18%.
* MID SLOPE........8-18%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 8 TO 13
MPH.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH LATE IN
THE AFTERNOON. GUSTS TO 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 5700-6700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 36-46. NORTHWEST WINDS 9 TO 16 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
WEDNESDAY
CLEAR. HIGHS 74-84. LOWS 36-46. WEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 72-82. LOWS 36-46. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 71-81. LOWS 36-46.
CAZ272-200015-
GREATER LAKE TAHOE AND TRUCKEE AREA-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........59-69.
* MID SLOPE........56-66.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........22-32%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH WITH
GUSTS TO 25 MPH LATE IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 4500-5500 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..........35-44.
* MID SLOPE........33-42.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........59-69%.
* 24 HR TREND......7% WETTER.
* 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. GUSTS TO 30 MPH
UNTIL EARLY MORNING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2600-3600 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........62-71.
* MID SLOPE........58-68.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........15-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH LATE IN
THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 3700-4700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 36-46. WEST WINDS 5 TO 10 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
WEDNESDAY
CLEAR. HIGHS 66-74. LOWS 36-46. SLOPE WINDS.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 61-70. LOWS 35-45. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 61-71. LOWS 36-46.
NVZ423-200015-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........68-76.
* MID SLOPE........63-73.
* 24 HR TREND......7 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........16-24%.
* MID SLOPE........18-28%.
* 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........WEST WINDS 10 TO 20 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 6000-7000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........38-48.
* MID SLOPE........40-49.
* 24 HR TREND......6 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........53-63%.
* MID SLOPE........41-51%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......4200-5200 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........74-80.
* MID SLOPE........68-78.
* MIN HUMIDITY.......
* VALLEYS..........10-15%.
* MID SLOPE........10-16%.
* 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.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 5100-6100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 37-47. NORTHWEST WINDS 9 TO 15 MPH.
WEDNESDAY
CLEAR. HIGHS 78-84. LOWS 37-47. SLOPE WINDS.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 78-85. LOWS 41-51. WEST
WINDS 10 TO 15 MPH.
SATURDAY
CLEAR. HIGHS 75-81. LOWS 43-53.
SUNDAY
SUNNY. HIGHS 80-86.
NVZ429-200015-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........62-72.
* 24 HR TREND......7 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........13-21%.
* MID SLOPE........13-23%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH. GUSTS TO 25 MPH IN
THE LATE MORNING AND AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 5500-6500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........42-51.
* MID SLOPE........41-51.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........45-55%.
* MID SLOPE........36-46%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
EVENING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3800-4800 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........74-84.
* MID SLOPE........69-79.
* MIN HUMIDITY.......
* VALLEYS..........8-13%.
* MID SLOPE........9-14%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 8 TO 13
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 5300-6300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 42-52. NORTHWEST WINDS 9 TO 14 MPH.
WEDNESDAY
CLEAR. HIGHS 78-88. LOWS 42-52. NORTHWEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 78-88. LOWS 44-54. WEST
WINDS 10 TO 20 MPH.
SATURDAY
CLEAR. HIGHS 74-84. LOWS 45-55.
SUNDAY
SUNNY. HIGHS 79-89.
CAZ270-278-NVZ458-200015-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........65-75.
* MID SLOPE........58-68.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........22-32%.
* 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 IN THE AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1500-2500 FT AGL INCREASING TO 6400-7400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH SHIFTING TO THE WEST 15
TO 25 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........30-40.
* MID SLOPE........33-43.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........60-70%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3800-4800 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........68-78.
* MID SLOPE........61-71.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........13-23%.
* 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.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 4400-5400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 30-40. NORTHWEST WINDS 9 TO 16 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
WEDNESDAY
CLEAR. HIGHS 72-82. LOWS 30-40. WEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 71-81. LOWS 36-46. WEST
WINDS 10 TO 15 MPH.
SATURDAY
CLEAR. HIGHS 68-78. LOWS 38-48.
SUNDAY
SUNNY. HIGHS 74-84.
CAZ271-200015-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........63-73.
* MID SLOPE........61-71.
* 24 HR TREND......8 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........22-32%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 8 TO 13 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH WITH
GUSTS TO 25 MPH LATE IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 6100-7100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........32-42.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........59-69%.
* 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........WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
EVENING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3400-4400 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........65-75.
* MID SLOPE........63-73.
* MIN HUMIDITY.......
* VALLEYS..........16-24%.
* MID SLOPE........15-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH LATE IN
THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 4500-5500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 33-43. WEST WINDS 7 TO 12 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
WEDNESDAY
CLEAR. HIGHS 70-80. LOWS 33-43. SOUTHWEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 66-76. LOWS 35-45. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY
CLEAR. HIGHS 64-74. LOWS 36-46.
SUNDAY
SUNNY. HIGHS 71-79.
CAZ274-200015-
SOUTHERN MONO COUNTY-
251 AM PDT MON MAY 19 2025
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........62-72.
* MID SLOPE........57-67.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........10-20%.
* MID SLOPE........13-23%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 9 TO 14
MPH WITH GUSTS TO 25 MPH IN THE LATE MORNING
AND AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 5100-6100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........31-40.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........48-58%.
* MID SLOPE........41-51%.
* 24 HR TREND......5% DRIER.
* 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 30 MPH IN THE
EVENING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3900-4900 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........63-73.
* MIN HUMIDITY.......
* VALLEYS..........7-17%.
* MID SLOPE........10-19%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 6 TO 11 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH IN THE MORNING, THEN
BECOMING WEST 10 TO 15 MPH WITH GUSTS TO 25
MPH LATE IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 4900-5900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
TUESDAY NIGHT
CLEAR. LOWS 35-45. NORTHWEST WINDS 9 TO 14 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
WEDNESDAY
CLEAR. HIGHS 70-80. LOWS 35-45. WEST WINDS 10 TO
15 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 68-78. LOWS 34-44. SOUTHWEST
WINDS 10 TO 15 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 66-76. LOWS 34-44.
.8 TO 14 DAY OUTLOOK FOR (MON MAY 26 THROUGH SUN JUN 1)
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
=
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