675
FNUS55 KREV 240739
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
1239 AM PDT THU SEP 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
...INCREASED WINDS AND LOW RH SUPPORT NEAR-CRITICAL FIRE WEATHER
CONDITIONS IN FAR NE CALIFORNIA AND NW NEVADA THIS AFTERNOON...
DISCUSSION
STRONGER WINDS AND LOW RH LEAD TO BRIEF NEAR-CRITICAL CONDITIONS FROM
FAR NE CA INTO NW NV THIS AFTERNOON. WINDS PEAK ON FRIDAY FROM THE
W/SW, POSING A MORE WIDESPREAD FIRE THREAT BECAUSE OF THEIR LONGER
DURATION ACROSS W NEVADA. WINDS SHIFT TO THE N/NE ON FRIDAY EVENING
BEHIND A DRY FRONTAL PASSAGE. WINDS REMAIN BREEZY THROUGH THE
WEEKEND, ACCOMPANIED BY MOSTLY DRY WEATHER AND A COOLING TREND
THROUGH EARLY 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
NVZ420-250045-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
1239 AM PDT THU SEP 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........76-86.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........8-18%.
* MID SLOPE........13-21%.
* 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 10 TO 20 MPH. GUSTS TO 30 MPH IN
THE LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 7700-8700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........48-58.
* MID SLOPE........50-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........36-46%.
* MID SLOPE........31-41%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 13 TO 20 MPH WITH GUSTS TO 30
MPH BECOMING SOUTH 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.
* MIXING HEIGHT......4200-5200 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........73-83.
* MID SLOPE........69-79.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........16-26%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH
INCREASING TO SOUTHWEST 20 TO 30 MPH WITH
GUSTS TO 45 MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO 50
MPH.
* MIXING HEIGHT......2300-3300 FT AGL INCREASING TO 7300-8300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH INCREASING TO 25 TO 35
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 41-51. SOUTHWEST WINDS 16 TO
25 MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 73-83. LOWS 41-51. WEST WINDS 10 TO
15 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 68-78. LOWS 36-46. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 64-74. LOWS 36-46. SLOPE WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 69-79. LOWS 36-46.
NVZ421-250045-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
1239 AM PDT THU SEP 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
TODAY
* SKY/WEATHER........SUNNY. PATCHY SMOKE IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........76-86.
* MID SLOPE........69-79.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........14-24%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 8 TO 13 MPH IN THE MORNING BECOMING
UPSLOPE 4 TO 8 MPH, THEN BECOMING SOUTHWEST 9
TO 14 MPH WITH GUSTS TO 25 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* MIXING HEIGHT......2100-3100 FT AGL INCREASING TO 8800-9800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. PATCHY SMOKE.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........40-50.
* MID SLOPE........50-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........44-54%.
* MID SLOPE........33-43%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 30
MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
50 MPH IN THE MORNING.
* MIXING HEIGHT......4500-5500 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........72-82.
* MID SLOPE........65-75.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........14-24%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO SOUTHWEST 15 TO 25 MPH WITH
GUSTS TO 40 MPH IN THE LATE MORNING AND
AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH. GUSTS TO 65 MPH
DECREASING TO 50 MPH LATE IN THE AFTERNOON.
* MIXING HEIGHT......2500-3500 FT AGL INCREASING TO 7300-8300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 36-46. SOUTHWEST WINDS 14 TO 20 MPH
BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 72-82. LOWS 34-44. SOUTHWEST WINDS
10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 67-77. LOWS 29-39. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 62-72. LOWS 28-38. NORTH WINDS 10 TO 15 MPH.
TUESDAY
CLEAR. HIGHS 66-76. LOWS 28-38.
WEDNESDAY
SUNNY. HIGHS 72-82.
CAZ272-250045-
GREATER LAKE TAHOE AND TRUCKEE AREA-
1239 AM PDT THU SEP 24 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........65-75.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........20-30%.
* 24 HR TREND......LITTLE CHANGE.
* 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 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 6100-7100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........44-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........49-59%.
* MID SLOPE........39-49%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 30
MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 50
MPH INCREASING TO 25 TO 35 MPH WITH GUSTS TO
55 MPH IN THE MORNING.
* MIXING HEIGHT......2700-3700 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........62-70.
* MID SLOPE........57-67.
* MIN HUMIDITY.......
* VALLEYS..........25-35%.
* MID SLOPE........26-36%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35
MPH.
* RIDGE TOP........SOUTHWEST WINDS 30 TO 45 MPH WITH GUSTS TO 65
MPH.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 5800-6700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 38-48. SOUTHWEST WINDS 13 TO
20 MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 63-70. LOWS 37-47. SOUTHWEST WINDS
10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 58-64. LOWS 29-39. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 58-66. LOWS 29-39. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 62-71. LOWS 31-41.
WEDNESDAY
SUNNY. HIGHS 65-75.
NVZ423-250045-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
1239 AM PDT THU SEP 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........85-91.
* MID SLOPE........79-89.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........11-16%.
* MID SLOPE........12-17%.
* 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........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 8100-9100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 15 TO 20 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........48-58.
* MID SLOPE........50-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........24-34%.
* 24 HR TREND......5% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......5100-6100 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-87.
* MID SLOPE........74-84.
* MIN HUMIDITY.......
* VALLEYS..........13-20%.
* MID SLOPE........14-20%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO 20 MPH
INCREASING TO SOUTHWEST 19 TO 30 MPH WITH
GUSTS TO 40 MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50
MPH.
* MIXING HEIGHT......2500-3500 FT AGL INCREASING TO 8300-9300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH INCREASING TO 20 TO 30
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
41-51. WEST WINDS 17 TO 25 MPH BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 76-84. LOWS 41-51. SLOPE WINDS.
SUNDAY
MOSTLY CLOUDY. HIGHS 73-81. LOWS 39-49. NORTHWEST WINDS
10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 69-77. LOWS 36-46. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 70-78. LOWS 36-46.
WEDNESDAY
SUNNY. HIGHS 75-81.
NVZ429-250045-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
1239 AM PDT THU SEP 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........81-91.
* MID SLOPE........77-87.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........10-18%.
* MID SLOPE........11-17%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 8900-9900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........46-56.
* MID SLOPE........51-61.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........38-48%.
* MID SLOPE........27-37%.
* 24 HR TREND......5% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH. GUSTS TO 20 MPH IN
THE EVENING.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT......5300-6300 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........74-84.
* MIN HUMIDITY.......
* VALLEYS..........12-19%.
* MID SLOPE........12-18%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH WITH GUSTS TO 30 MPH
INCREASING TO SOUTHWEST 15 TO 25 MPH WITH
GUSTS TO 40 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH.
* MIXING HEIGHT......2600-3600 FT AGL INCREASING TO 9400-10400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 41-51. WEST WINDS 15 TO 25 MPH BECOMING
DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 77-87. LOWS 41-51. WEST WINDS 10 TO
15 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 73-83. LOWS 38-48. WEST WINDS 10 TO
15 MPH.
MONDAY
CLEAR. HIGHS 66-76. LOWS 35-45. NORTHWEST WINDS 10 TO
15 MPH.
TUESDAY
CLEAR. HIGHS 69-78. LOWS 35-45.
WEDNESDAY
SUNNY. HIGHS 73-83.
CAZ270-278-250045-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
1239 AM PDT THU SEP 24 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........78-88.
* MID SLOPE........74-84.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........8-18%.
* MID SLOPE........12-18%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 12 TO 20
MPH WITH GUSTS TO 30 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 7300-8300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 20 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........44-54.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........40-50%.
* MID SLOPE........32-42%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 12 TO 20 MPH DECREASING TO 9 TO
14 MPH IN THE LATE EVENING AND OVERNIGHT.
GUSTS TO 35 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
45 MPH AFTER MIDNIGHT.
* MIXING HEIGHT......3500-4500 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........69-79.
* MID SLOPE........65-75.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........21-29%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 25 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 40
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH. GUSTS TO 55 MPH
UNTIL LATE AFTERNOON.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 7100-8100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH INCREASING TO 25 TO 35
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 32-42. WEST WINDS 13 TO 20 MPH
BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 69-79. LOWS 32-42. SOUTH WINDS
10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 65-75. LOWS 31-41. WEST WINDS 10 TO
15 MPH.
MONDAY
CLEAR. HIGHS 64-73. LOWS 31-41. SLOPE WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 69-79. LOWS 32-42.
NVZ458-250045-
NORTHERN WASHOE COUNTY-
1239 AM PDT THU SEP 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........80-90.
* MID SLOPE........77-83.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........10-16%.
* MID SLOPE........10-15%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 12 TO 20
MPH WITH GUSTS TO 30 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH. GUSTS TO 30 MPH
INCREASING TO 35 MPH LATE IN THE AFTERNOON.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 7600-8600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHWEST
15 TO 25 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........47-57.
* MID SLOPE........47-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........34-44%.
* MID SLOPE........32-42%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 13 TO 20 MPH WITH GUSTS TO 35
MPH DECREASING TO 9 TO 15 MPH WITH GUSTS TO 30
MPH IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH INCREASING TO 20 TO
30 MPH WITH GUSTS TO 40 MPH IN THE MORNING.
* MIXING HEIGHT......4400-5400 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........72-82.
* MID SLOPE........65-75.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........21-31%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 8 TO 13 MPH WITH GUSTS TO 25 MPH
INCREASING TO SOUTHWEST 20 TO 30 MPH WITH
GUSTS TO 40 MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 55
MPH.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 7400-8400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH INCREASING TO 25 TO 35
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 35-45. WEST WINDS 16 TO 25 MPH
DECREASING TO 9 TO 14 MPH IN THE EVENING, THEN BECOMING DOWNSLOPE
2 TO 5 MPH AFTER MIDNIGHT.
SATURDAY
PARTLY CLOUDY. HIGHS 70-80. LOWS 35-45. NORTHWEST WINDS
10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 67-77. LOWS 35-45. WEST WINDS 10 TO
15 MPH.
MONDAY
CLEAR. HIGHS 64-74. LOWS 35-45. SLOPE WINDS.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 69-79. LOWS 35-45.
CAZ271-250045-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
1239 AM PDT THU SEP 24 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........74-84.
* MID SLOPE........71-81.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........14-24%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 16
MPH WITH GUSTS TO 30 MPH IN THE LATE MORNING
AND AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 6500-7500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........37-47.
* MID SLOPE........46-56.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........53-63%.
* MID SLOPE........34-44%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 35
MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH
INCREASING TO 45 MPH IN THE MORNING.
* MIXING HEIGHT......3000-4000 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........65-75.
* MID SLOPE........62-72.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........21-31%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 30
MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 50
MPH.
* MIXING HEIGHT......2100-3100 FT AGL INCREASING TO 6500-7500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH INCREASING TO 25 TO 35
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 27-37. WEST WINDS 9 TO 16 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SATURDAY
PARTLY CLOUDY. HIGHS 66-76. LOWS 27-37. SOUTH WINDS
10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 61-71. LOWS 25-35. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
CLEAR. HIGHS 62-72. LOWS 25-35. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 67-77. LOWS 28-38.
WEDNESDAY
SUNNY. HIGHS 70-80.
CAZ274-250045-
SOUTHERN MONO COUNTY-
1239 AM PDT THU SEP 24 2026
TODAY
* SKY/WEATHER........SUNNY. PATCHY SMOKE IN THE MORNING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........70-80.
* MID SLOPE........67-77.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........16-26%.
* 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........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 7900-8900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR. HAZE AND AREAS OF SMOKE IN THE EVENING.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........36-46%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 35
MPH.
* MIXING HEIGHT......4100-5100 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........64-74.
* MIN HUMIDITY.......
* VALLEYS..........14-24%.
* MID SLOPE........17-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO 13 TO 20 MPH WITH GUSTS TO 30
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45
MPH.
* MIXING HEIGHT......2200-3200 FT AGL INCREASING TO 7000-8000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 25
MPH IN THE AFTERNOON.
* VENTILATION........EXCELLENT.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 34-44. SOUTHWEST WINDS 10 TO 17 MPH
DECREASING TO 8 TO 13 MPH IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
PARTLY CLOUDY. HIGHS 67-77. LOWS 33-43. SOUTHWEST WINDS
10 TO 15 MPH.
SUNDAY
CLEAR. HIGHS 63-73. LOWS 28-38. SOUTHWEST WINDS 10 TO
15 MPH.
MONDAY
CLEAR. HIGHS 59-69. LOWS 27-37. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 64-74. LOWS 27-37.
WEDNESDAY
SUNNY. HIGHS 69-79.
.8 TO 14 DAY OUTLOOK FOR (THU OCT 1 THROUGH WED OCT 7)
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
=
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