774
FNUS55 KREV 200922
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
222 AM PDT FRI MAR 20 2026
DISCUSSION
STRONG HIGH PRESSURE AND RECORD TEMPERATURES PERSIST TODAY, FOLLOWED
BY STEADY COOLING THROUGH THE WEEKEND. A DRY COLD FRONTAL PASSAGE
WILL INCREASE WINDS SATURDAY AFTERNOON, ESPECIALLY ACROSS NORTHEAST
CALIFORNIA AND WESTERN NEVADA. NEXT WEEK, TEMPERATURES REMAIN WARMER
THAN NORMAL WITH INCREASING CHANCES OF BREEZY CONDITIONS EACH AFTERNOON.
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
NVZ420-210045-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........76-86.
* MID SLOPE........76-86.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........12-17%.
* 24 HR TREND......LITTLE CHANGE.
* 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 20 MPH LATE
IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 4500-5500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........44-54.
* MID SLOPE........46-55.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........29-39%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3500-4500 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........72-82.
* MID SLOPE........68-78.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........17-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH INCREASING TO WEST
15 TO 25 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 4700-5700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST 15
TO 25 MPH IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
35-45. WEST WINDS 20 TO 30 MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 68-78. LOWS 35-45. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 72-82. LOWS 38-48. WEST WINDS 10 TO
15 MPH.
TUESDAY
CLEAR. HIGHS 76-86. LOWS 41-51. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
CLEAR. HIGHS 73-83. LOWS 35-45.
THURSDAY
SUNNY. HIGHS 62-72.
NVZ421-210045-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........77-87.
* MID SLOPE........71-81.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........10-20%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 8 TO 13
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 4600-5600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........37-47.
* MID SLOPE........46-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........41-51%.
* MID SLOPE........26-36%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
40 MPH IN THE MORNING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3100-4100 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........63-73.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........13-23%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 25
MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 4500-5500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
31-41. WEST WINDS 15 TO 25 MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 68-78. LOWS 31-41. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 73-83. LOWS 34-44. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
CLEAR. HIGHS 71-81. LOWS 32-42.
THURSDAY
SUNNY. HIGHS 62-72.
CAZ272-210045-
GREATER LAKE TAHOE AND TRUCKEE AREA-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........67-77.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........16-26%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 3000-4000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........42-51.
* MID SLOPE........41-50.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........32-42%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 35 MPH
INCREASING TO 40 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1500-2000 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........GOOD DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........60-69.
* MID SLOPE........57-67.
* MIN HUMIDITY.......
* VALLEYS..........28-38%.
* MID SLOPE........24-34%.
* 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.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 3400-4400 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH INCREASING TO 20 TO 30
MPH IN THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
31-41. WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO
5 MPH.
SUNDAY
CLEAR. HIGHS 60-69. LOWS 31-41. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 61-69. LOWS 34-44. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 63-73. LOWS 36-46. SLOPE WINDS.
WEDNESDAY
CLEAR. HIGHS 61-68. LOWS 32-42.
THURSDAY
SUNNY. HIGHS 56-64.
NVZ423-210045-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........81-86.
* MID SLOPE........78-87.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........8-13%.
* MID SLOPE........9-14%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 8 TO 13 MPH IN
THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 3800-4800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........47-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........43-53%.
* MID SLOPE........23-33%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3000-4000 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........78-84.
* MID SLOPE........72-82.
* MIN HUMIDITY.......
* VALLEYS..........12-20%.
* MID SLOPE........14-20%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 15 TO 25 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH. GUSTS TO 40 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 4800-5800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST 15
TO 25 MPH IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
37-47. WEST WINDS 20 TO 30 MPH BECOMING NORTHWEST 9 TO 14 MPH AFTER
MIDNIGHT.
SUNDAY
PARTLY CLOUDY. HIGHS 70-78. LOWS 37-47. SLOPE WINDS.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 77-86. LOWS 40-50.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. HIGHS 76-84. LOWS 35-45.
THURSDAY
SUNNY. HIGHS 64-72.
NVZ429-210045-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........81-91.
* MID SLOPE........77-87.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........9-14%.
* MID SLOPE........10-15%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 4500-5500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........43-53.
* MID SLOPE........47-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........44-54%.
* MID SLOPE........26-36%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3500-4500 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........76-86.
* MID SLOPE........72-82.
* MIN HUMIDITY.......
* VALLEYS..........12-18%.
* MID SLOPE........12-18%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH INCREASING TO WEST
13 TO 20 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 5200-6200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 15 TO 25 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
39-49. WEST WINDS 15 TO 25 MPH SHIFTING TO THE NORTHWEST 7 TO 12 MPH
AFTER MIDNIGHT.
SUNDAY
CLEAR. HIGHS 70-80. LOWS 39-49. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 77-87. LOWS 40-50. WEST WINDS 10 TO
15 MPH.
TUESDAY
CLEAR. HIGHS 79-88. LOWS 43-53. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
CLEAR. HIGHS 78-86. LOWS 38-48.
THURSDAY
SUNNY. HIGHS 67-75.
CAZ270-278-NVZ458-210045-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........77-87.
* MID SLOPE........75-81.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........10-16%.
* MID SLOPE........11-16%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
LATE MORNING AND AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 4800-5800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........41-51.
* MID SLOPE........42-52.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........56-66%.
* MID SLOPE........36-46%.
* 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...0%.
* MIXING HEIGHT......3600-4600 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........65-75.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........19-29%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 15 TO 25 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 4600-5600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
28-38. WEST WINDS 20 TO 30 MPH BECOMING NORTH 7 TO 12 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 65-75. LOWS 28-38. SLOPE WINDS.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 72-82. LOWS 36-46.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
CLEAR. HIGHS 68-78. LOWS 28-38.
THURSDAY
SUNNY. HIGHS 60-70.
CAZ271-210045-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........76-84.
* MID SLOPE........73-83.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........13-21%.
* MID SLOPE........13-21%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 7 TO 12 MPH
WITH GUSTS TO 20 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 4900-5900 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.
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........42-52.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........63-73%.
* MID SLOPE........36-46%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2800-3800 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........66-76.
* MID SLOPE........64-74.
* MIN HUMIDITY.......
* VALLEYS..........21-31%.
* MID SLOPE........21-31%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 17 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...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 4700-5700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.
LOWS 27-37. WEST WINDS 13 TO 20 MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 66-76. LOWS 27-37. SLOPE WINDS.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 68-78. LOWS 33-43.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
CLEAR. HIGHS 65-75. LOWS 28-38.
THURSDAY
SUNNY. HIGHS 61-69.
CAZ274-210045-
SOUTHERN MONO COUNTY-
222 AM PDT FRI MAR 20 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........72-82.
* MID SLOPE........69-79.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........11-21%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 5 TO 10
MPH WITH GUSTS TO 20 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 3500-4500 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.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........35-45.
* MID SLOPE........37-47.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........57-67%.
* MID SLOPE........30-40%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH. GUSTS TO 25 MPH IN
THE EVENING.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2400-3400 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........66-76.
* MID SLOPE........62-72.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........13-23%.
* 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........WEST WINDS 15 TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 3100-4100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
32-42. WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO
5 MPH.
SUNDAY
CLEAR. HIGHS 64-74. LOWS 32-42. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 69-79. LOWS 33-43. SOUTHWEST
WINDS 8 TO 13 MPH.
WEDNESDAY
CLEAR. HIGHS 68-78. LOWS 33-43.
THURSDAY
SUNNY. HIGHS 63-73.
.8 TO 14 DAY OUTLOOK FOR (FRI MAR 27 THROUGH THU APR 2)
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
=
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