579
FNUS55 KREV 230938
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
138 AM PST FRI JAN 23 2026
DISCUSSION
A DRY COLD FRONT ARRIVES TONIGHT, TRIGGERING A SIGNIFICANT
TEMPERATURE DROP AND SHIFTING WINDS FROM THE NORTHEAST WITH SIERRA
RIDGE GUSTS REACHING 40-50 MPH SATURDAY. THESE INCREASED WINDS WILL
HELP TO CLEAR PERSISTENT VALLEY INVERSIONS SATURDAY, RESULTING IN
GOOD VENTILATION BEFORE HIGH PRESSURE RETURNS SUNDAY. LOOKING AHEAD,
A WEAK SYSTEM BRINGS A LOW END CHANCE OF SHOWERS TO THE SIERRA AND
NORTHEAST CALIFORNIA BY NEXT WEDNESDAY OR THURSDAY.
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
NVZ420-241400-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........46-54.
* MID SLOPE........41-51.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........36-46%.
* 24 HR TREND......5% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 1600-2100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO FAIR IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........14-24.
* MID SLOPE........19-26.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........75-85%.
* MID SLOPE........64-74%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 8 TO 13 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1200-1700 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........FAIR.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........39-44.
* MID SLOPE........33-41.
* MIN HUMIDITY.......
* VALLEYS..........24-34%.
* MID SLOPE........27-37%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 8 TO 13 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 1600-2100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 10-20. NORTHEAST WINDS 5 TO 10 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 41-49. LOWS 10-20. SLOPE WINDS.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 45-53. LOWS 16-26.
SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 48-54. LOWS 20-30.
THURSDAY
PARTLY CLOUDY. HIGHS 48-55.
NVZ421-241400-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........37-47.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........36-46%.
* MID SLOPE........38-48%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 8 TO 13 MPH IN
THE AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 1500-2000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........11-21.
* MID SLOPE........16-26.
* 24 HR TREND......8 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........80-90%.
* MID SLOPE........62-72%.
* 24 HR TREND......11% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 8 TO 13 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......900-1400 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........31-41.
* MID SLOPE........27-37.
* MIN HUMIDITY.......
* VALLEYS..........31-41%.
* MID SLOPE........31-41%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH INCREASING TO NORTHEAST
20 TO 30 MPH WITH GUSTS TO 40 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 1500-2000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 5-15. NORTH WINDS 7 TO 12 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 39-49. LOWS 5-15. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 42-52. LOWS 12-22. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 43-53. LOWS 13-23. SLOPE WINDS.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 43-53. LOWS 17-27.
THURSDAY
PARTLY CLOUDY. HIGHS 42-52.
CAZ272-241400-
GREATER LAKE TAHOE AND TRUCKEE AREA-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........39-44.
* MID SLOPE........37-46.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........52-62%.
* MID SLOPE........46-56%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN
THE MORNING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 1400-1900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........12-22.
* MID SLOPE........14-24.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........89-99%.
* MID SLOPE........68-78%.
* 24 HR TREND......7% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 8 TO 13 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN
THE LATE EVENING AND OVERNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1100 FT AGL.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........FAIR.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........29-34.
* MID SLOPE........26-36.
* MIN HUMIDITY.......
* VALLEYS..........37-47%.
* MID SLOPE........32-42%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....EAST WINDS 9 TO 14 MPH.
* RIDGE TOP........EAST WINDS 10 TO 20 MPH INCREASING TO 20 TO 30
MPH IN THE AFTERNOON. GUSTS TO 40 MPH
INCREASING TO 50 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 1300-1800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....EAST 15 TO 25 MPH.
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 8-18. EAST WINDS 9 TO 14 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 36-41. LOWS 8-18. SLOPE WINDS.
MONDAY
CLEAR. HIGHS 38-43. LOWS 15-25. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 40-45. LOWS 15-25. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 40-45. LOWS
19-29.
THURSDAY
PARTLY CLOUDY. HIGHS 42-48.
NVZ423-241400-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........46-52.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........26-36%.
* MID SLOPE........31-41%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 2100-3100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........10-20.
* MID SLOPE........16-26.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........70-80%.
* MID SLOPE........51-61%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 15 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1600-2100 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 20 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........39-45.
* MID SLOPE........34-43.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........22-32%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 1500-2000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 8-18. NORTH WINDS 7 TO 12 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLEAR. HIGHS 39-44. LOWS 8-18. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 45-51. LOWS 13-23. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 48-54. LOWS 14-24. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 48-54. LOWS 18-28.
THURSDAY
PARTLY CLOUDY. HIGHS 48-53.
NVZ429-241400-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........45-54.
* MID SLOPE........42-50.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........30-40%.
* MID SLOPE........33-43%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 9 TO 14 MPH IN
THE AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 2000-3000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING NORTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........15-25.
* MID SLOPE........18-28.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........78-88%.
* MID SLOPE........63-73%.
* 24 HR TREND......5% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1400-1900 FT AGL DECREASING TO 600-800 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........35-45.
* MID SLOPE........32-42.
* MIN HUMIDITY.......
* VALLEYS..........24-34%.
* MID SLOPE........25-35%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 1700-2700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 9-19. NORTH WINDS 9 TO 14 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 40-48. LOWS 9-19. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 43-53. LOWS 13-23. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 47-55. LOWS 14-24. SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. HIGHS 46-54. LOWS 18-28.
THURSDAY
PARTLY CLOUDY. HIGHS 46-55.
CAZ270-278-NVZ458-241400-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........38-48.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........33-43%.
* MID SLOPE........39-49%.
* 24 HR TREND......4% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHEAST 9 TO 14
MPH IN THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 2200-3200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........11-21.
* MID SLOPE........15-25.
* 24 HR TREND......8 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........77-87%.
* MID SLOPE........67-77%.
* 24 HR TREND......8% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1400-1900 FT AGL DECREASING TO 600-900 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO FAIR AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........36-46.
* MID SLOPE........34-42.
* MIN HUMIDITY.......
* VALLEYS..........23-33%.
* MID SLOPE........23-33%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 8 TO 13 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1500-2000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 12-22. NORTHEAST WINDS 5 TO 10 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS 40-48. LOWS 12-22. SLOPE WINDS.
MONDAY
MOSTLY CLOUDY. HIGHS 42-52. LOWS 16-26. SLOPE WINDS.
TUESDAY
PARTLY CLOUDY. HIGHS 45-53. LOWS 16-26. SLOPE WINDS.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 46-54. LOWS 21-31.
THURSDAY
PARTLY CLOUDY. HIGHS 47-55.
CAZ271-241400-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........44-52.
* MID SLOPE........41-49.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........41-51%.
* MID SLOPE........42-52%.
* 24 HR TREND......4% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHEAST 5 TO 10
MPH LATE IN THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH. GUSTS TO 20 MPH IN THE
MORNING.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 1800-2800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........CLEAR.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........12-22.
* MID SLOPE........16-26.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........79-89%.
* MID SLOPE........69-79%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 7 TO 12 MPH.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN
THE LATE EVENING AND OVERNIGHT.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......900-1400 FT AGL DECREASING TO 600-700 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.
* VENTILATION........FAIR DECREASING TO MARGINAL AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........37-47.
* MID SLOPE........33-43.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........26-36%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....EAST WINDS 9 TO 14 MPH.
* RIDGE TOP........EAST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1600-2100 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....EAST 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
IN THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 10-20. EAST WINDS 8 TO 13 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 42-50. LOWS 10-20. SLOPE WINDS.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 44-54. LOWS 16-26.
SLOPE WINDS.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS
44-54. LOWS 20-30.
THURSDAY
PARTLY CLOUDY. HIGHS 46-56.
CAZ274-241400-
SOUTHERN MONO COUNTY-
138 AM PST FRI JAN 23 2026
TODAY
* SKY/WEATHER........SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........40-50.
* MID SLOPE........36-46.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........35-45%.
* MID SLOPE........40-50%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1400-1900 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHANCE OF THUNDER..0%.
* MIN TEMPERATURE....
* VALLEYS..........11-21.
* MID SLOPE........12-22.
* 24 HR TREND......7 DEGREES COOLER.
* MAX HUMIDITY.......
* VALLEYS..........88-98%.
* MID SLOPE........68-78%.
* 24 HR TREND......6% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING NORTH 7 TO 12 MPH
IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......700-1200 FT AGL.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHANCE OF THUNDER..0%.
* MAX TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........26-36.
* MIN HUMIDITY.......
* VALLEYS..........32-42%.
* MID SLOPE........35-45%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 8 TO 13 MPH. GUSTS TO 20 MPH IN THE
LATE MORNING AND AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH
INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45
MPH IN THE AFTERNOON.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 1700-2200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
CLEAR. LOWS 4-14. NORTH WINDS 8 TO 13 MPH IN THE
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. HIGHS 35-45. LOWS 4-14. SLOPE WINDS.
MONDAY
PARTLY CLOUDY. HIGHS 36-46. LOWS 11-21. SLOPE WINDS.
TUESDAY
CLEAR. HIGHS 39-49. LOWS 11-21. SLOPE WINDS.
WEDNESDAY
MOSTLY CLOUDY. HIGHS 40-50. LOWS 15-25.
THURSDAY
PARTLY CLOUDY. HIGHS 39-49.
.8 TO 14 DAY OUTLOOK FOR (FRI JAN 30 THROUGH THU FEB 5)
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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