788
FNUS55 KREV 072043
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
143 PM PDT TUE OCT 7 2025
DISCUSSION
DRY CONDITIONS WITH SLIGHTLY COOLER THAN NORMAL TEMPERATURES AND
GOOD OVERNIGHT RECOVERIES CONTINUE TODAY. TEMPERATURES WILL BE AT
THEIR WARMEST FOR THE WEEK TOMORROW WITH WINDS INCREASING. THEN,
ANOTHER PACIFIC STORM SYSTEM IS FORECAST TO BRING GUSTY WINDS,
COOLER TEMPERATURES AND SHOWERS TOWARDS THE END OF THE WEEK AND INTO
THE WEEKEND.
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
NVZ420-081430-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........37-47.
* MID SLOPE........41-50.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........57-67%.
* MID SLOPE........45-55%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2100-3100 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO MARGINAL AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........66-76.
* 24 HR TREND......4 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........16-26%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 15
MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 6700-7700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........37-47.
* MID SLOPE........41-49.
* MAX HUMIDITY.......
* VALLEYS..........61-71%.
* MID SLOPE........43-53%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 25 MPH
DECREASING TO 7 TO 12 MPH IN THE LATE EVENING
AND OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3100-4100 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........64-74.
* MID SLOPE........63-73.
* MIN HUMIDITY.......
* VALLEYS..........15-25%.
* MID SLOPE........15-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 15 MPH
WITH GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 4100-5100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 15 TO 20 MPH IN THE
AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 37-47. SOUTHWEST WINDS 10 TO 17 MPH
DECREASING TO 7 TO 12 MPH IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. HIGHS 61-71. LOWS 31-41.
SOUTHWEST WINDS 10 TO 20 MPH.
SATURDAY
CLEAR. HIGHS 51-61. LOWS 26-36. NORTHWEST WINDS 10 TO
15 MPH.
SUNDAY
CLEAR. HIGHS 53-63. LOWS 26-36. SLOPE WINDS.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 50-60. LOWS
29-39.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 50-60.
NVZ421-081430-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........41-51.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........54-64%.
* MID SLOPE........38-48%.
* 24 HR TREND......14% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2500-3500 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........68-78.
* MID SLOPE........61-71.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........12-22%.
* 24 HR TREND......11% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 16 MPH
WITH GUSTS TO 25 MPH IN THE LATE MORNING AND
AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 6300-7300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 30 MPH
IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........38-48.
* MAX HUMIDITY.......
* VALLEYS..........42-52%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH. GUSTS TO 25 MPH
UNTIL EARLY MORNING.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH INCREASING TO 20 TO 35 MPH WITH GUSTS TO
60 MPH IN THE LATE EVENING AND OVERNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2800-3800 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........60-70.
* MIN HUMIDITY.......
* VALLEYS..........9-19%.
* MID SLOPE........9-19%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 15 TO 25 MPH
WITH GUSTS TO 40 MPH.
* RIDGE TOP........SOUTH WINDS 25 TO 40 MPH WITH GUSTS TO 65 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 4900-5900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH INCREASING TO 30 TO 40 MPH
IN THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 34-44. SOUTH WINDS 15 TO 25 MPH
DECREASING TO 9 TO 16 MPH IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
CLEAR. HIGHS 63-73. LOWS 24-34. SOUTHWEST WINDS 10 TO
20 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 54-64. LOWS 21-31. WEST
WINDS 8 TO 13 MPH.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 52-62.
LOWS 23-33.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 49-59.
CAZ272-081430-
GREATER LAKE TAHOE AND TRUCKEE AREA-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........33-43.
* MID SLOPE........37-47.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........48-58%.
* 24 HR TREND......9% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH
AFTER MIDNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2300-3300 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........62-69.
* MID SLOPE........56-66.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........24-34%.
* MID SLOPE........24-34%.
* 24 HR TREND......6% DRIER.
* 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 30
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1500-2500 FT AGL INCREASING TO 5900-6900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........35-45.
* MAX HUMIDITY.......
* VALLEYS..........72-82%.
* MID SLOPE........53-63%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS TO 20 MPH
IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH INCREASING TO 20 TO 35 MPH WITH GUSTS TO
60 MPH IN THE LATE EVENING AND OVERNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2300-3300 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH SHIFTING TO THE SOUTH
10 TO 15 MPH AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........57-64.
* MID SLOPE........52-62.
* MIN HUMIDITY.......
* VALLEYS..........29-39%.
* MID SLOPE........26-36%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 14
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH INCREASING TO 20 TO
35 MPH IN THE AFTERNOON. GUSTS TO 60 MPH
DECREASING TO 45 MPH LATE IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 3400-4400 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 25 TO 35 MPH
IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 31-41. SOUTHWEST WINDS 9 TO 15 MPH
DECREASING TO 7 TO 12 MPH AFTER MIDNIGHT.
FRIDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 51-59. LOWS 24-34.
SOUTHWEST WINDS 10 TO 20 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 49-59. LOWS 22-32. SLOPE
WINDS.
COLUMBUS DAY THROUGH TUESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS.
HIGHS 43-53. LOWS 23-33.
NVZ423-081430-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........36-46.
* MID SLOPE........41-50.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........36-46%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH LATE
IN THE NIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1800-2800 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........72-78.
* MID SLOPE........66-76.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........17-23%.
* MID SLOPE........19-25%.
* 24 HR TREND......4% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH IN
THE LATE MORNING AND AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 5300-6300 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........38-48.
* MID SLOPE........41-50.
* MAX HUMIDITY.......
* VALLEYS..........53-63%.
* MID SLOPE........36-46%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 35
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3300-4300 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........72-78.
* MID SLOPE........67-77.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........17-25%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH
LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 3100-4100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........POOR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 37-47. SOUTHWEST WINDS 9 TO 14 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. HIGHS 68-76. LOWS 33-43.
SOUTHWEST WINDS 10 TO 20 MPH.
SATURDAY
CLEAR. HIGHS 54-62. LOWS 28-38. SLOPE WINDS.
SUNDAY
CLEAR. HIGHS 56-62. LOWS 28-38. SLOPE WINDS.
COLUMBUS DAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS
54-60. LOWS 29-39.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 56-62.
NVZ429-081430-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........40-50.
* MID SLOPE........41-51.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........51-61%.
* MID SLOPE........34-44%.
* 24 HR TREND......9% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH AFTER
MIDNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1900-2900 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO MARGINAL AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........71-81.
* MID SLOPE........66-76.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........14-22%.
* 24 HR TREND......7% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 14 MPH
WITH GUSTS TO 25 MPH IN THE LATE MORNING AND
AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 5600-6600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 15 TO 25 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........38-48.
* MID SLOPE........41-51.
* MAX HUMIDITY.......
* VALLEYS..........49-59%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 8 TO 13 MPH WITH GUSTS TO 25 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3100-4100 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........71-81.
* MID SLOPE........67-77.
* MIN HUMIDITY.......
* VALLEYS..........10-20%.
* MID SLOPE........10-20%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 16 MPH. GUSTS TO 40 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH INCREASING TO 20 TO 30
MPH IN THE AFTERNOON. GUSTS TO 45 MPH
INCREASING TO 60 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 4100-5100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH SHIFTING TO THE SOUTH
15 TO 25 MPH IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 37-47. SOUTHWEST WINDS 10 TO 17 MPH
SHIFTING TO THE SOUTH 9 TO 14 MPH IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
CLEAR. HIGHS 69-79. LOWS 34-44. SOUTHWEST WINDS 10 TO
20 MPH.
SATURDAY
CLEAR. HIGHS 54-64. LOWS 30-40. NORTHWEST WINDS 10 TO
15 MPH.
SUNDAY
CLEAR. HIGHS 57-65. LOWS 30-40. SLOPE WINDS.
COLUMBUS DAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS
55-65. LOWS 32-42.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 54-64.
CAZ270-278-NVZ458-081430-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........37-47.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........60-70%.
* MID SLOPE........47-57%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH
AFTER MIDNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1800-2800 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........64-72.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........18-26%.
* MID SLOPE........20-26%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 13 TO 20
MPH WITH GUSTS TO 30 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 6700-7700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO SOUTHWEST 20
TO 30 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........36-46.
* MID SLOPE........37-46.
* MAX HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........55-65%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 13 TO 20 MPH WITH GUSTS TO 30
MPH DECREASING TO 9 TO 14 MPH WITH GUSTS TO 25
MPH IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3600-4600 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........63-73.
* MID SLOPE........59-67.
* MIN HUMIDITY.......
* VALLEYS..........23-33%.
* MID SLOPE........26-36%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 15 TO 25 MPH
WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 4600-5600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 30 MPH
IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 34-44. SOUTHWEST WINDS 13 TO
20 MPH DECREASING TO 8 TO 13 MPH IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 57-67. LOWS 28-38.
SOUTHWEST WINDS 10 TO 20 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 49-59.
LOWS 22-32. NORTHWEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 51-61. LOWS
22-32. SLOPE WINDS.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 47-57. LOWS
24-34.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 50-60.
CAZ271-081430-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........30-40.
* MID SLOPE........37-47.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........65-75%.
* MID SLOPE........47-57%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH LATE
IN THE NIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2500-3500 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........65-75.
* MID SLOPE........63-71.
* 24 HR TREND......LITTLE CHANGE.
* 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 SOUTHWEST 9 TO 17
MPH WITH GUSTS TO 30 MPH IN THE LATE MORNING
AND AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 7600-8600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........35-45.
* MAX HUMIDITY.......
* VALLEYS..........80-90%.
* MID SLOPE........67-77%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 30 MPH
SHIFTING TO THE SOUTH 9 TO 14 MPH WITH GUSTS
TO 30 MPH IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH. GUSTS TO 30 MPH
INCREASING TO 50 MPH IN THE LATE EVENING AND
OVERNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......3400-4400 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH SHIFTING TO THE SOUTH
10 TO 15 MPH AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........57-67.
* MID SLOPE........54-64.
* MIN HUMIDITY.......
* VALLEYS..........30-40%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO SOUTHWEST 12 TO 18 MPH WITH
GUSTS TO 30 MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 4400-5400 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 30 MPH
IN THE AFTERNOON.
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 28-38. SOUTHWEST WINDS 9 TO
16 MPH SHIFTING TO THE SOUTH 9 TO 14 MPH IN THE LATE EVENING AND
OVERNIGHT.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 50-60. LOWS 23-33.
SOUTHWEST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. HIGHS 47-57. LOWS
19-29. SLOPE WINDS.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 51-61. LOWS
19-29. SLOPE WINDS.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 45-55. LOWS
21-31.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 49-57.
CAZ274-081430-
SOUTHERN MONO COUNTY-
143 PM PDT TUE OCT 7 2025
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........30-40.
* MID SLOPE........31-41.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........58-68%.
* MID SLOPE........45-55%.
* 24 HR TREND......11% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2800-3800 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........63-73.
* MID SLOPE........59-69.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........13-20%.
* MID SLOPE........13-21%.
* 24 HR TREND......8% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 12 TO 18 MPH
WITH GUSTS TO 30 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH. GUSTS TO 25 MPH
INCREASING TO 35 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 4200-5200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 30 MPH
IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
WEDNESDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........32-42.
* MID SLOPE........32-42.
* MAX HUMIDITY.......
* VALLEYS..........38-48%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 12 TO 18 MPH WITH GUSTS TO 30 MPH
DECREASING TO 9 TO 14 MPH WITH GUSTS TO 25 MPH
IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH
INCREASING TO 25 TO 35 MPH WITH GUSTS TO 60
MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2300-3300 FT AGL DECREASING TO 600-1000 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH DECREASING TO 15 TO 20 MPH
AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........63-73.
* MID SLOPE........59-69.
* MIN HUMIDITY.......
* VALLEYS..........9-15%.
* MID SLOPE........9-17%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 16 MPH WITH GUSTS TO 30 MPH
INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 25 TO 40 MPH WITH GUSTS TO 60 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 4300-5300 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH INCREASING TO 30 TO 40 MPH
IN THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
THURSDAY NIGHT
CLEAR. LOWS 34-44. SOUTH WINDS 19 TO 30 MPH
DECREASING TO 9 TO 17 MPH IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
CLEAR. HIGHS 60-70. LOWS 26-36. SOUTH WINDS 15 TO 25 MPH.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 53-63. LOWS 21-31. SOUTHWEST
WINDS 8 TO 13 MPH.
COLUMBUS DAY THROUGH TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS. HIGHS 49-59. LOWS 24-34.
.8 TO 14 DAY OUTLOOK FOR (WED OCT 15 THROUGH TUE OCT 21)
BELOW NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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