219
FNUS55 KREV 292025
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
125 PM PDT TUE SEP 29 2026
DISCUSSION
A WARMING AND DRYING TREND WILL PREVAIL THIS WEEK WITH NEAR AVERAGE
TEMPERATURES TODAY, WARMING TO AROUND 10 DEGREES ABOVE SEASONAL
AVERAGES THURSDAY THROUGH THE WEEKEND. A PERIOD OF FAIR TO POOR
OVERNIGHT RH RECOVERY BEGINS TONIGHT WITH LITTLE TO NO PRECIPITATION
EXPECTED FOR THE REST OF THIS 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
NVZ420-301415-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........44-54.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........41-51%.
* MID SLOPE........31-41%.
* 24 HR TREND......4% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2000-3000 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........74-84.
* MID SLOPE........72-82.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........13-21%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING EAST 10 TO 15 MPH IN THE
LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 3100-4100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........44-54.
* MID SLOPE........48-57.
* MAX HUMIDITY.......
* VALLEYS..........37-47%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1900-2900 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........77-87.
* MID SLOPE........76-86.
* MIN HUMIDITY.......
* VALLEYS..........8-18%.
* MID SLOPE........13-19%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING EAST 10 TO 15 MPH IN THE
AFTERNOON.
* MIXING HEIGHT......200-500 FT AGL THEN 3200-4200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 48-58. DOWNSLOPE 2 TO 5 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 78-88. LOWS 47-57.
SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 76-86. LOWS 46-56.
NVZ421-301415-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........43-53.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........46-56%.
* MID SLOPE........37-47%.
* 24 HR TREND......14% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 8 TO 13 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 20 MPH. GUSTS TO 35 MPH
UNTIL EARLY MORNING.
* MIXING HEIGHT......1600-2600 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH IN THE EVENING BECOMING
LIGHT.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........74-84.
* MID SLOPE........68-78.
* 24 HR TREND......9 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........14-20%.
* MID SLOPE........14-22%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 3900-4900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........48-58.
* MAX HUMIDITY.......
* VALLEYS..........35-45%.
* MID SLOPE........28-38%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1900-2900 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........73-83.
* MIN HUMIDITY.......
* VALLEYS..........12-18%.
* MID SLOPE........12-20%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......200-500 FT AGL THEN 4100-5100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 43-53. NORTH WINDS 5 TO 10 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 79-89. LOWS 43-53.
SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 76-86. LOWS 40-50. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 74-84. LOWS 38-48.
CAZ272-301415-
GREATER LAKE TAHOE AND TRUCKEE AREA-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........35-45.
* MID SLOPE........41-51.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........53-63%.
* MID SLOPE........39-49%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH. GUSTS TO 20 MPH AFTER
MIDNIGHT.
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 40 MPH IN THE
LATE EVENING AND EARLY MORNING DECREASING TO
25 MPH.
* MIXING HEIGHT......1500-2500 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....EAST 10 TO 15 MPH.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........68-78.
* 24 HR TREND......7 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........16-26%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS. GUSTS TO 20 MPH IN THE MORNING.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 3200-4200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........41-51.
* MID SLOPE........44-54.
* MAX HUMIDITY.......
* VALLEYS..........47-57%.
* MID SLOPE........33-43%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1900-2900 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........73-83.
* MID SLOPE........70-80.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........14-24%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......200-500 FT AGL THEN 3600-4600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 42-52. DOWNSLOPE 2 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS 71-81. LOWS 42-52. SLOPE WINDS.
SATURDAY
PARTLY CLOUDY. HIGHS 72-82. LOWS 45-55. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 70-80. LOWS 44-54. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 68-78. LOWS 42-52.
NVZ423-301415-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........43-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........37-47%.
* MID SLOPE........22-32%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 5 TO 10 MPH IN THE EVENING BECOMING
DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING NORTH 10 TO 15 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT......2200-3200 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-85.
* MID SLOPE........73-83.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........14-19%.
* MID SLOPE........15-22%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 3900-4900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........44-54.
* MID SLOPE........47-57.
* MAX HUMIDITY.......
* VALLEYS..........37-47%.
* MID SLOPE........26-36%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING NORTHEAST 10 TO 15 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT......2300-3300 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........83-89.
* MID SLOPE........78-88.
* MIN HUMIDITY.......
* VALLEYS..........11-17%.
* MID SLOPE........13-18%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH UNTIL LATE
AFTERNOON BECOMING LIGHT.
* MIXING HEIGHT......200-500 FT AGL THEN 3200-4200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 47-57. DOWNSLOPE 2 TO 5 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. HIGHS 84-90. LOWS 47-57.
SLOPE WINDS.
SUNDAY
PARTLY CLOUDY. HIGHS 83-89. LOWS 48-58. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 81-88. LOWS 46-56.
NVZ429-301415-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........37-47.
* MID SLOPE........43-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........45-55%.
* MID SLOPE........32-42%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH
UNTIL EARLY MORNING.
* MIXING HEIGHT......2300-3300 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH IN THE EVENING BECOMING
LIGHT.
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........75-85.
* MID SLOPE........72-82.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........12-20%.
* MID SLOPE........13-19%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH. GUSTS TO 20 MPH IN THE
MORNING.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 3500-4500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........41-51.
* MID SLOPE........47-57.
* MAX HUMIDITY.......
* VALLEYS..........42-52%.
* MID SLOPE........30-40%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH IN THE EVENING, THEN
BECOMING SOUTH 10 TO 15 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......1700-2700 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........81-91.
* MID SLOPE........78-88.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........10-16%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH IN THE MORNING BECOMING
LIGHT.
* MIXING HEIGHT......200-500 FT AGL THEN 3100-4100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 45-55. DOWNSLOPE 2 TO 5 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 81-91. LOWS 45-55.
SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 79-89. LOWS 45-55.
CAZ270-278-NVZ458-301415-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........36-46.
* MID SLOPE........42-52.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........50-60%.
* MID SLOPE........32-42%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2600-3600 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........75-85.
* MID SLOPE........72-80.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........14-21%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 4100-5100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........40-50.
* MID SLOPE........44-54.
* MAX HUMIDITY.......
* VALLEYS..........43-53%.
* MID SLOPE........35-45%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2500-3500 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........76-84.
* MIN HUMIDITY.......
* VALLEYS..........10-18%.
* MID SLOPE........12-18%.
* 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.
* MIXING HEIGHT......200-500 FT AGL THEN 3500-4500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 42-52. DOWNSLOPE 2 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS 80-90. LOWS 42-52. SLOPE WINDS.
SATURDAY
PARTLY CLOUDY. HIGHS 79-89. LOWS 44-54. SLOPE WINDS.
SUNDAY
PARTLY CLOUDY. HIGHS 79-89. LOWS 43-53. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 77-87. LOWS 41-51.
CAZ271-301415-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........41-51.
* 24 HR TREND......6 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........58-68%.
* MID SLOPE........34-44%.
* 24 HR TREND......6% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS. GUSTS TO 25 MPH IN THE LATE EVENING
AND OVERNIGHT.
* MIXING HEIGHT......2400-3400 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........76-86.
* MID SLOPE........74-82.
* 24 HR TREND......6 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........14-22%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS. GUSTS TO 20 MPH IN THE MORNING.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 4400-5400 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........36-46.
* MID SLOPE........44-54.
* MAX HUMIDITY.......
* VALLEYS..........50-60%.
* MID SLOPE........34-44%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......2300-3300 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........76-84.
* MIN HUMIDITY.......
* VALLEYS..........13-21%.
* MID SLOPE........13-20%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.
* MIXING HEIGHT......200-500 FT AGL THEN 4000-5000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 38-48. DOWNSLOPE 2 TO 5 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. HIGHS 78-88. LOWS 38-48.
SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 75-85. LOWS 37-47.
CAZ274-301415-
SOUTHERN MONO COUNTY-
125 PM PDT TUE SEP 29 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........35-45.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........51-61%.
* MID SLOPE........41-51%.
* 24 HR TREND......20% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH.
* MIXING HEIGHT......1800-2800 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 15 TO 25 MPH SHIFTING TO THE NORTHWEST
10 TO 15 MPH AFTER MIDNIGHT.
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER
MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........71-81.
* MID SLOPE........67-77.
* 24 HR TREND......9 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........13-23%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE
MORNING.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 4200-5200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........41-51.
* MID SLOPE........41-50.
* MAX HUMIDITY.......
* VALLEYS..........41-51%.
* MID SLOPE........30-40%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT......2200-3200 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........76-86.
* MID SLOPE........73-83.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........11-21%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......200-500 FT AGL THEN 4200-5200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 44-54. DOWNSLOPE 2 TO 5 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS 75-85. LOWS 44-54. SLOPE WINDS.
SATURDAY
CLEAR. HIGHS 73-83. LOWS 43-53. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 70-80. LOWS 40-50. SLOPE WINDS.
MONDAY THROUGH TUESDAY
CLEAR. HIGHS 69-79. LOWS 38-48.
.8 TO 14 DAY OUTLOOK FOR (WED OCT 7 THROUGH TUE OCT 13)
ABOVE NORMAL TEMPERATURES AND LITTLE OR NO PRECIPITATION.
=
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