139
FNUS55 KREV 081003
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
303 AM PDT THU OCT 8 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR SURPRISE VALLEY
CALIFORNIA, EASTERN LASSEN COUNTY, AND NORTHERN WASHOE COUNTY...
...ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS POSSIBLE SATURDAY
DUE TO DRY CONDITIONS AND WIND GUSTS 40-45 MPH...
DISCUSSION
UNSEASONABLY WARM, DRY WEATHER PERSISTS THROUGH FRIDAY. LIGHT WINDS
STRENGTHEN FRIDAY AFTERNOON, BRINGING CRITICAL FIRE WEATHER CONDITIONS
TO NORTHEAST CALIFORNIA AND NORTHWEST NEVADA. GUSTY WINDS RETURN
SATURDAY, BUT HIGHER HUMIDITY EASES CONCERNS NORTH OF I-80. MUCH COOLER
WEATHER FOLLOWS, WITH CHANCES FOR RAIN AND MOUNTAIN SNOW SUNDAY THROUGH
TUESDAY.
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
NVZ420-090115-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........77-87.
* MID SLOPE........75-85.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........6-16%.
* MID SLOPE........13-19%.
* 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 5600-6600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE
AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........46-56.
* MID SLOPE........50-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........36-46%.
* MID SLOPE........26-36%.
* 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.
* MIXING HEIGHT......3700-4700 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........78-88.
* MID SLOPE........75-85.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........15-23%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 13 TO 20 MPH
WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 8300-9300 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.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 43-53. WEST WINDS 15 TO 25 MPH SHIFTING
TO THE SOUTHWEST 9 TO 17 MPH IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
CLEAR. HIGHS 67-77. LOWS 32-42. SOUTHWEST WINDS 10 TO
20 MPH.
SUNDAY THROUGH COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS.
HIGHS 51-61. LOWS 27-37. NORTH WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 54-64.
LOWS 27-37.
WEDNESDAY
SUNNY. HIGHS 57-67.
NVZ421-090115-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* 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..........14-22%.
* MID SLOPE........14-24%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHEAST 7 TO 12
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........EAST WINDS 10 TO 15 MPH.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 7900-8900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........50-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........44-54%.
* MID SLOPE........30-40%.
* 24 HR TREND......8% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 7 TO 12 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* MIXING HEIGHT......3900-4900 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........74-84.
* MID SLOPE........67-77.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........16-26%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH. GUSTS TO 30 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* MIXING HEIGHT......2800-3800 FT AGL INCREASING TO 9700-10700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 34-44. WEST WINDS 12 TO 18 MPH SHIFTING
TO THE SOUTHWEST 9 TO 15 MPH IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
CLEAR. HIGHS 65-75. LOWS 26-36. SOUTHWEST WINDS 10 TO
20 MPH.
SUNDAY
SNOW SHOWERS LIKELY. HIGHS 54-64. LOWS 24-34. NORTH WINDS
10 TO 15 MPH.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 48-58. LOWS
21-31. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 51-61. LOWS
21-31.
WEDNESDAY
SUNNY. HIGHS 56-66.
CAZ272-090115-
GREATER LAKE TAHOE AND TRUCKEE AREA-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........71-81.
* MID SLOPE........69-79.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* 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......1200-1700 FT AGL INCREASING TO 6000-7000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........47-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........53-63%.
* MID SLOPE........34-44%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3500-4500 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........67-77.
* MID SLOPE........65-75.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........22-32%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 9 TO 15 MPH
WITH GUSTS TO 25 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN
THE LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......2600-3600 FT AGL INCREASING TO 8500-9500 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 38-48. WEST WINDS 9 TO 15 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH, THEN BECOMING SOUTHWEST 9 TO
16 MPH AFTER MIDNIGHT.
SATURDAY
CLEAR. HIGHS 58-64. LOWS 28-38. SOUTHWEST WINDS 10 TO
20 MPH.
SUNDAY
SHOWERS LIKELY. HIGHS 46-55. LOWS 25-35. SOUTHEAST WINDS
10 TO 15 MPH.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 44-52. LOWS
24-34. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 47-56.
LOWS 24-34.
WEDNESDAY
SUNNY. HIGHS 52-60.
NVZ423-090115-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........84-90.
* MID SLOPE........78-88.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........11-16%.
* MID SLOPE........11-16%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH UNTIL LATE
AFTERNOON BECOMING LIGHT.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 5700-6700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........44-54.
* MID SLOPE........49-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........27-37%.
* MID SLOPE........19-29%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3700-4700 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........82-90.
* MID SLOPE........77-87.
* MIN HUMIDITY.......
* VALLEYS..........12-17%.
* MID SLOPE........13-18%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 17
MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 9700-10700 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.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 45-55. WEST WINDS 13 TO 20 MPH
SHIFTING TO THE SOUTHWEST 9 TO 16 MPH IN THE LATE EVENING AND
OVERNIGHT.
SATURDAY
PARTLY CLOUDY. HIGHS 72-82. LOWS 31-41. WEST WINDS 10 TO
20 MPH.
SUNDAY THROUGH COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS.
HIGHS 57-67. LOWS 26-36. NORTH WINDS 10 TO 20 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 59-67.
LOWS 26-36.
WEDNESDAY
SUNNY. HIGHS 61-69.
NVZ429-090115-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........80-90.
* MID SLOPE........76-86.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........11-18%.
* MID SLOPE........11-17%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 5600-6600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........43-53.
* MID SLOPE........49-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........34-44%.
* MID SLOPE........22-32%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3400-4400 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD 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........75-85.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........12-20%.
* 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 15 MPH. GUSTS TO 25 MPH IN
THE AFTERNOON.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 9800-10800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 43-53. WEST WINDS 9 TO 16 MPH
SHIFTING TO THE SOUTHWEST 9 TO 14 MPH AFTER MIDNIGHT.
SATURDAY
CLEAR. HIGHS 73-83. LOWS 34-44. SOUTHWEST WINDS 10 TO
20 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 58-68. LOWS 28-38.
NORTH WINDS 10 TO 20 MPH.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 53-63. LOWS
27-37. NORTH WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 55-65. LOWS
26-36.
WEDNESDAY
SUNNY. HIGHS 58-68.
CAZ270-278-NVZ458-090115-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
303 AM PDT THU OCT 8 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........78-84.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........8-16%.
* MID SLOPE........10-16%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 6200-7200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........41-51.
* MID SLOPE........48-58.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........34-44%.
* MID SLOPE........24-34%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......3800-4800 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........75-83.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........14-21%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 15 TO 25 MPH
WITH GUSTS TO 35 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 10000-11000 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 20 TO 30 MPH IN
THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 33-43. WEST WINDS 15 TO 25 MPH SHIFTING
TO THE SOUTHWEST 9 TO 14 MPH IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
PARTLY CLOUDY. HIGHS 62-72. LOWS 23-33. NORTHWEST WINDS
10 TO 20 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 50-60. LOWS 20-30.
NORTHEAST WINDS 10 TO 20 MPH.
COLUMBUS DAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS
51-61. LOWS 20-30. NORTHEAST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. HIGHS 55-65. LOWS 22-32.
WEDNESDAY
SUNNY. HIGHS 58-68.
CAZ271-090115-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........79-89.
* MID SLOPE........77-85.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........13-19%.
* MID SLOPE........13-19%.
* 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 8200-9200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........39-49.
* MID SLOPE........49-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........46-56%.
* MID SLOPE........33-43%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......4100-5100 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........75-85.
* MID SLOPE........72-82.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........17-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 12 TO 18 MPH
WITH GUSTS TO 30 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 9100-10100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 25 MPH IN
THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 30-40. SOUTHWEST WINDS 9 TO 16 MPH.
SATURDAY
CLEAR. HIGHS 58-68. LOWS 21-31. WEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 48-58. LOWS 18-28.
NORTHEAST WINDS 10 TO 15 MPH.
COLUMBUS DAY
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 50-60. LOWS
18-28. SLOPE WINDS.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. HIGHS 54-62. LOWS 18-28.
WEDNESDAY
SUNNY. HIGHS 56-66.
CAZ274-090115-
SOUTHERN MONO COUNTY-
303 AM PDT THU OCT 8 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MAX TEMPERATURE....
* VALLEYS..........71-81.
* MID SLOPE........68-78.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........13-23%.
* MID SLOPE........15-25%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 7600-8600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...0%.
* MIN TEMPERATURE....
* VALLEYS..........38-48.
* MID SLOPE........42-52.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........54-64%.
* MID SLOPE........37-47%.
* 24 HR TREND......9% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS.
* MIXING HEIGHT......4000-5000 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* CHC WETTING RAIN...5%.
* MAX TEMPERATURE....
* VALLEYS..........68-78.
* MID SLOPE........65-74.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........21-31%.
* 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 15 MPH. GUSTS TO 25 MPH IN
THE LATE MORNING AND AFTERNOON.
* MIXING HEIGHT......2600-3600 FT AGL INCREASING TO 8800-9800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
FRIDAY NIGHT
CLEAR. LOWS 33-43. SOUTHWEST WINDS 9 TO 15 MPH
BECOMING 9 TO 14 MPH IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
CLEAR. HIGHS 60-70. LOWS 24-34. SOUTHWEST WINDS 10 TO
20 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 52-62. LOWS 22-32.
SOUTHWEST WINDS 10 TO 15 MPH.
COLUMBUS DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 46-56. LOWS
19-29. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 48-58. LOWS
19-29.
WEDNESDAY
SUNNY. HIGHS 53-63.
.8 TO 14 DAY OUTLOOK FOR (THU OCT 15 THROUGH WED OCT 21)
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
=
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