151  
FNUS55 KREV 181241  
FWFREV  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE RENO NV  
441 AM PST TUE NOV 18 2025  
   
DISCUSSION
 
 
PRECIPITATION CHANCES LOOK TO END FOR MOST OF THE REGION BY THE LATE  
MORNING EXCEPT FOR SOUTHERN MONO AND MINERAL COUNTIES WHERE THEY MAY  
LINGER INTO TONIGHT. AFTER A BREAK FROM PRECIPITATION ON WEDNESDAY,  
MORE CHANCES FOR RAIN AND MOUNTAIN SNOW ARE POSSIBLE ON THURSDAY INTO  
FRIDAY FOLLOWED BY ANOTHER DRY PERIOD OVER 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  
 
NVZ420-190015-  
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,  
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN AND SNOW IN THE MORNING.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........47-55.  
* MID SLOPE........40-50.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........57-67%.  
* MID SLOPE........66-76%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25  
MPH.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 1600-2600 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........22-32.  
* MID SLOPE........27-36.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........88-98%.  
* MID SLOPE........78-88%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHEAST 10 TO 15 MPH  
AFTER MIDNIGHT.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......900-1400 FT AGL DECREASING TO 600-900 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
WEDNESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........45-54.  
* MID SLOPE........41-51.  
* MIN HUMIDITY.......  
* VALLEYS..........55-65%.  
* MID SLOPE........61-71%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE  
LATE MORNING AND EARLY AFTERNOON, THEN  
BECOMING LIGHT LATE IN THE AFTERNOON.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 1300-1800 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS 23-33. DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 41-48.  
LOWS 23-33. SLOPE WINDS.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY. HIGHS 44-54. LOWS 20-30.  
SLOPE WINDS.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 48-58. LOWS 23-33.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 48-58.  
 

 
 
NVZ421-190015-  
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN  
LYON, AND WESTERN MINERAL COUNTIES-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........38-48.  
* MID SLOPE........33-43.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........68-78%.  
* MID SLOPE........70-80%.  
* 24 HR TREND......18% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHEAST 7 TO 12  
MPH IN THE AFTERNOON.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 35  
MPH.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......900-1400 FT AGL.  
* TRANSPORT WINDS....EAST 10 TO 15 MPH.  
* VENTILATION........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN AND SNOW.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........17-27.  
* MID SLOPE........26-36.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........84-94%.  
* MID SLOPE........78-88%.  
* 24 HR TREND......5% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........NORTHEAST WINDS 15 TO 20 MPH SHIFTING TO THE  
EAST 10 TO 15 MPH IN THE LATE EVENING AND  
OVERNIGHT. GUSTS TO 30 MPH UNTIL EARLY  
MORNING.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......700-1200 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
WEDNESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........42-52.  
* MID SLOPE........35-45.  
* MIN HUMIDITY.......  
* VALLEYS..........58-68%.  
* MID SLOPE........58-68%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS BECOMING EAST 10 TO 15 MPH IN THE  
AFTERNOON.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1300-1800 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS 16-26. DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 36-46. LOWS  
16-26. SLOPE WINDS.    
FRIDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 37-47. LOWS  
15-25. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 42-51. LOWS 15-25. SLOPE WINDS.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. HIGHS 48-58. LOWS 20-30.  
 

 
 
CAZ272-190015-  
GREATER LAKE TAHOE AND TRUCKEE AREA-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN AND SNOW IN THE MORNING.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........37-42.  
* MID SLOPE........34-44.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........75-85%.  
* MID SLOPE........75-85%.  
* 24 HR TREND......7% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 1200-1700 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....EAST 10 TO 15 MPH.  
* VENTILATION........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........19-29.  
* MID SLOPE........23-33.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........94-100%.  
* MID SLOPE........91-100%.  
* 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......900-1400 FT AGL DECREASING TO 600-800 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....EAST 10 TO 15 MPH.  
* VENTILATION........FAIR.  
   
WEDNESDAY
 
 
* SKY/WEATHER........SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........41-47.  
* MID SLOPE........36-46.  
* MIN HUMIDITY.......  
* VALLEYS..........70-80%.  
* MID SLOPE........72-82%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1200-1700 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. LOWS 21-31.  
DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
SNOW AND RAIN LIKELY. HIGHS 34-40. LOWS 20-30. SLOPE  
WINDS.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 36-43. LOWS 19-29. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 41-49. LOWS 19-29. SLOPE WINDS.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 47-54. LOWS 22-32.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
46-53.  
 

 
 
NVZ423-190015-  
WEST HUMBOLDT BASIN IN PERSHING COUNTY-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........53-59.  
* MID SLOPE........48-58.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........36-46%.  
* MID SLOPE........41-51%.  
* 24 HR TREND......6% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 2400-3400 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........26-36.  
* MID SLOPE........31-39.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........82-92%.  
* MID SLOPE........65-75%.  
* 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......800-1300 FT AGL DECREASING TO 600-700 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
WEDNESDAY
 
 
* SKY/WEATHER........SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........51-57.  
* MID SLOPE........46-56.  
* MIN HUMIDITY.......  
* VALLEYS..........44-54%.  
* MID SLOPE........50-60%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 1600-2100 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS 25-35. DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN. HIGHS 47-53. LOWS 24-34.  
SLOPE WINDS.    
FRIDAY
 
CLEAR. HIGHS 49-55. LOWS 22-32. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 49-55. LOWS 22-32. SLOPE WINDS.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 50-56. LOWS 22-32.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 49-55.  
 

 
 
NVZ429-190015-  
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW IN THE MORNING. CHANCE OF RAIN  
.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........47-57.  
* MID SLOPE........43-53.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........44-54%.  
* MID SLOPE........41-51%.  
* 24 HR TREND......5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 2200-3200 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF RAIN.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........26-36.  
* MID SLOPE........29-39.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........84-94%.  
* MID SLOPE........76-86%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHEAST 10 TO 15 MPH WITH  
GUSTS TO 20 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1100-1600 FT AGL DECREASING TO 600-800 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
   
WEDNESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........47-57.  
* MID SLOPE........42-52.  
* MIN HUMIDITY.......  
* VALLEYS..........47-57%.  
* MID SLOPE........48-58%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS. GUSTS TO 20 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 1700-2700 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
CLEAR. LOWS 25-35. DOWNSLOPE 2 TO 5 MPH BECOMING  
SOUTH 7 TO 12 MPH AFTER MIDNIGHT.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 41-51.  
LOWS 24-34. SLOPE WINDS.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 42-52. LOWS 21-31. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 44-54. LOWS 21-31. SLOPE WINDS.    
SUNDAY THROUGH MONDAY
 
PARTLY CLOUDY. HIGHS 48-58. LOWS 21-31.  
 

 
 
CAZ270-278-NVZ458-190015-  
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-  
NORTHERN WASHOE COUNTY-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........47-57.  
* MID SLOPE........46-52.  
* 24 HR TREND......5 DEGREES WARMER.  
* MIN HUMIDITY.......  
* VALLEYS..........57-67%.  
* MID SLOPE........56-66%.  
* 24 HR TREND......4% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH UNTIL LATE AFTERNOON  
BECOMING LIGHT.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 2100-3100 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........23-33.  
* MID SLOPE........26-36.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........87-97%.  
* MID SLOPE........82-92%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH AFTER  
MIDNIGHT.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......700-1200 FT AGL DECREASING TO 600-700 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
WEDNESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........45-55.  
* MID SLOPE........43-51.  
* MIN HUMIDITY.......  
* VALLEYS..........57-67%.  
* MID SLOPE........57-67%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 1400-1900 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 25-35.  
DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 40-50.  
LOWS 20-30. SLOPE WINDS.    
FRIDAY
 
CLEAR. HIGHS 44-54. LOWS 20-30. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 46-56. LOWS 21-31. SLOPE WINDS.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 47-57. LOWS 22-32.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
45-55.  
 

 
 
CAZ271-190015-  
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........45-55.  
* MID SLOPE........42-52.  
* 24 HR TREND......6 DEGREES WARMER.  
* MIN HUMIDITY.......  
* VALLEYS..........62-72%.  
* MID SLOPE........67-77%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN THE  
MORNING.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 1700-2700 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....EAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........19-29.  
* MID SLOPE........24-34.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........92-100%.  
* MID SLOPE........90-100%.  
* 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......600-1100 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
WEDNESDAY
 
 
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........43-51.  
* MID SLOPE........41-49.  
* MIN HUMIDITY.......  
* VALLEYS..........65-75%.  
* MID SLOPE........65-75%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 1200-1700 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW AFTER  
MIDNIGHT. LOWS 22-32. DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
RAIN AND SNOW LIKELY. HIGHS 38-46. LOWS 19-29. SLOPE  
WINDS.    
FRIDAY THROUGH SATURDAY
 
CLEAR. HIGHS 45-55. LOWS 18-28. SLOPE  
WINDS.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 50-58. LOWS 21-31.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
45-55.  
 

 
 
CAZ274-190015-  
SOUTHERN MONO COUNTY-  
441 AM PST TUE NOV 18 2025  
   
TODAY
 
 
* SKY/WEATHER........RAIN LIKELY IN THE MORNING. CHANCE OF SNOW.  
CHANCE OF RAIN IN THE AFTERNOON.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........34-44.  
* MID SLOPE........31-41.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........70-80%.  
* MID SLOPE........76-86%.  
* 24 HR TREND......13% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHEAST 7 TO 12  
MPH IN THE AFTERNOON.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30  
MPH.  
* CHC WETTING RAIN...45%.  
* MIXING HEIGHT......900-1400 FT AGL.  
* TRANSPORT WINDS....EAST 10 TO 15 MPH.  
* VENTILATION........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN.  
* CHANCE OF THUNDER..0%.  
* MIN TEMPERATURE....  
* VALLEYS..........18-28.  
* MID SLOPE........19-29.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........91-100%.  
* MID SLOPE........86-96%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25  
MPH.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......700-1200 FT AGL.  
* TRANSPORT WINDS....NORTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR.  
   
WEDNESDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
* CHANCE OF THUNDER..0%.  
* MAX TEMPERATURE....  
* VALLEYS..........36-46.  
* MID SLOPE........32-42.  
* MIN HUMIDITY.......  
* VALLEYS..........60-70%.  
* MID SLOPE........63-73%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN  
THE LATE MORNING AND AFTERNOON.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 1300-1800 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
 
   
EXTENDED
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS 14-24. DOWNSLOPE 2 TO 5 MPH.    
THURSDAY
 
CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 34-44. LOWS  
14-24. SLOPE WINDS.    
FRIDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 33-43. LOWS  
15-25. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 37-47. LOWS 15-25. SLOPE WINDS.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 42-52. LOWS 19-29.    
MONDAY
 
SUNNY. HIGHS 44-54.  
 

 
 
.8 TO 14 DAY OUTLOOK FOR (TUE NOV 25 THROUGH MON DEC 1)  
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 
=  

 
 
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