692  
FNUS55 KREV 281127  
FWFREV  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE RENO NV  
427 AM PDT THU MAR 28 2024  
   
DISCUSSION
 
 
 
MODERATE-TO-HEAVY MOUNTAIN SNOW AND VALLEY RAIN WILL TAPER OFF  
AREAWIDE BY SUNRISE. SOME ISOLATED SNOW SHOWERS ARE POSSIBLE IN THE  
SIERRA AND ACROSS THE TAHOE BASIN. OTHERWISE, EXPECT GENERALLY DRY  
CONDITIONS WITH GUSTY WESTERLY WINDS THROUGH THE REMAINDER OF TODAY.  
PRECIPITATION CHANCES RETURN AREAWIDE ON FRIDAY MORNING, WITH  
PERIODS OF MOUNTAIN SNOW AND VALLEY RAIN EXPECTED THROUGH SUNDAY.  
 
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  
 
NVZ420-290015-  
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,  
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........SUNNY. CHANCE OF SNOW SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........44-52.  
* MID SLOPE........38-48.  
* 24 HR TREND......9 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........23-33%.  
* MID SLOPE........28-38%.  
* 24 HR TREND......4% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 12 TO 18 MPH DECREASING TO 9 TO  
16 MPH IN THE MORNING, THEN INCREASING TO 15  
TO 25 MPH IN THE AFTERNOON. GUSTS TO 35 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH. GUSTS TO 75 MPH  
DECREASING TO 55 MPH IN THE AFTERNOON.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......2000-3000 FT AGL INCREASING TO 4900-5900 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH.  
* VENTILATION........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MIN TEMPERATURE....  
* VALLEYS..........26-36.  
* MID SLOPE........26-33.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........70-80%.  
* MID SLOPE........60-70%.  
* 24 HR TREND......4% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 13 TO 20 MPH WITH GUSTS TO 30  
MPH BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 40 MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......2500-3500 FT AGL DECREASING TO 600-1000 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH SHIFTING TO THE SOUTHWEST 10  
TO 15 MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CLOUDY. CHANCE OF SHOWERS.  
* MAX TEMPERATURE....  
* VALLEYS..........42-49.  
* MID SLOPE........37-45.  
* MIN HUMIDITY.......  
* VALLEYS..........39-49%.  
* MID SLOPE........46-56%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST 7 TO 12  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30  
MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 2900-3900 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLOUDY. CHANCE OF SHOWERS. LOWS 27-37. DOWNSLOPE  
2 TO 5 MPH.    
SATURDAY
 
CLOUDY. CHANCE OF SHOWERS. HIGHS 40-50. LOWS 26-36.  
SLOPE WINDS.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 42-52. LOWS 22-32.  
NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
CLEAR. HIGHS 47-57. LOWS 22-32. SLOPE WINDS.    
TUESDAY THROUGH WEDNESDAY
 
CLEAR. HIGHS 59-69. LOWS 26-36.  
 

 
 
NVZ421-290015-  
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN  
LYON, AND WESTERN MINERAL COUNTIES-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........SUNNY. SNOW SHOWERS LIKELY IN THE MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........42-52.  
* MID SLOPE........35-45.  
* 24 HR TREND......9 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........16-26%.  
* MID SLOPE........17-27%.  
* 24 HR TREND......LITTLE CHANGE.  
* 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 25 TO 40 MPH WITH GUSTS TO 85  
MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...45%.  
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 3600-4600 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 30 TO 40 MPH.  
* VENTILATION........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MIN TEMPERATURE....  
* VALLEYS..........18-28.  
* MID SLOPE........25-35.  
* 24 HR TREND......6 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........63-73%.  
* MID SLOPE........51-61%.  
* 24 HR TREND......9% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 16 MPH WITH GUSTS TO 25  
MPH BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 55  
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO  
50 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......2300-3300 FT AGL DECREASING TO 600 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15  
MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CHANCE OF SNOW SHOWERS IN THE MORNING, THEN  
SNOW SHOWERS LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........39-49.  
* MID SLOPE........33-43.  
* MIN HUMIDITY.......  
* VALLEYS..........31-41%.  
* MID SLOPE........33-43%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...40%.  
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 3200-4200 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 15 TO 25 MPH  
IN THE AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CHANCE OF SHOWERS. LOWS 22-32. WEST WINDS 5 TO  
10 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
SNOW SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS  
37-47. LOWS 20-30. SLOPE WINDS.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 37-47. LOWS  
19-29. WEST WINDS AROUND 10 MPH.    
MONDAY
 
CLEAR. HIGHS 42-52. LOWS 19-29. NORTHWEST WINDS AROUND  
10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
CLEAR. HIGHS 55-65. LOWS 21-31.  
 

 
 
CAZ272-290015-  
GREATER LAKE TAHOE AND TRUCKEE AREA-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS.  
* MAX TEMPERATURE....  
* VALLEYS..........33-39.  
* MID SLOPE........28-38.  
* 24 HR TREND......8 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........52-62%.  
* MID SLOPE........47-57%.  
* 24 HR TREND......14% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35  
MPH DECREASING TO 12 TO 18 MPH WITH GUSTS TO  
30 MPH IN THE LATE MORNING AND AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 90  
MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 2900-3900 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH.  
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........18-28.  
* MID SLOPE........17-26.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........81-91%.  
* MID SLOPE........77-87%.  
* 24 HR TREND......6% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH  
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5  
MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO 50  
MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1500-2500 FT AGL DECREASING TO 700-1200 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH DECREASING TO 10 TO 15  
MPH AFTER MIDNIGHT.  
* VENTILATION........VERY GOOD DECREASING TO FAIR AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CHANCE OF SNOW SHOWERS IN THE MORNING, THEN  
SNOW SHOWERS LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........33-39.  
* MID SLOPE........27-37.  
* MIN HUMIDITY.......  
* VALLEYS..........61-71%.  
* MID SLOPE........59-69%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 45 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...45%.  
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 2400-3400 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH.  
* VENTILATION........GOOD.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
SNOW SHOWERS LIKELY IN THE EVENING, THEN SNOW  
SHOWERS AFTER MIDNIGHT. LOWS 22-32. DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
SNOW SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 33-39. LOWS 21-31. SLOPE WINDS.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 35-41. LOWS  
17-27. SLOPE WINDS.    
MONDAY
 
CLEAR. HIGHS 40-46. LOWS 17-27. SLOPE WINDS.    
TUESDAY
 
CLEAR. HIGHS 49-55. LOWS 23-33.    
WEDNESDAY
 
SUNNY. HIGHS 51-57.  
 

 
 
NVZ423-290015-  
WEST HUMBOLDT BASIN IN PERSHING COUNTY-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF  
SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........47-55.  
* MID SLOPE........42-52.  
* 24 HR TREND......10 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........18-28%.  
* MID SLOPE........21-31%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 25 MPH  
INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO  
35 MPH IN THE AFTERNOON.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH WITH GUSTS TO 65 MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......2300-3300 FT AGL INCREASING TO 6600-7600 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....WEST 20 TO 30 MPH.  
* VENTILATION........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
* MIN TEMPERATURE....  
* VALLEYS..........28-35.  
* MID SLOPE........29-35.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........61-71%.  
* MID SLOPE........52-62%.  
* 24 HR TREND......7% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH  
BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 40 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......3600-4600 FT AGL DECREASING TO 600 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........45-53.  
* MID SLOPE........41-51.  
* MIN HUMIDITY.......  
* VALLEYS..........29-39%.  
* MID SLOPE........34-44%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST 7 TO 12  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 4000-5000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS  
29-36. DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
CLOUDY. CHANCE OF SHOWERS. HIGHS 48-56. LOWS 29-37.  
NORTHEAST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 45-55. LOWS 27-37.  
NORTHWEST WINDS 10 TO 20 MPH.    
MONDAY
 
CLEAR. HIGHS 53-59. LOWS 27-37. SLOPE WINDS.    
TUESDAY
 
CLEAR. HIGHS 62-68. LOWS 29-39.    
WEDNESDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS. HIGHS 65-71.  
 

 
 
NVZ429-290015-  
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF  
SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........48-58.  
* MID SLOPE........44-54.  
* 24 HR TREND......9 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........15-25%.  
* MID SLOPE........14-24%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 16 MPH WITH GUSTS TO 25 MPH  
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35  
MPH IN THE AFTERNOON.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH. GUSTS TO 65 MPH  
DECREASING TO 45 MPH LATE IN THE AFTERNOON.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......2200-3200 FT AGL INCREASING TO 6700-7700 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....WEST 20 TO 30 MPH.  
* VENTILATION........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MIN TEMPERATURE....  
* VALLEYS..........28-37.  
* MID SLOPE........27-37.  
* 24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........58-68%.  
* MID SLOPE........48-58%.  
* 24 HR TREND......10% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 13 TO 20 MPH WITH GUSTS TO 30 MPH  
BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........WEST WINDS 15 TO 25 MPH. GUSTS TO 35 MPH UNTIL  
EARLY MORNING.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......3600-4600 FT AGL DECREASING TO 700 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........45-55.  
* MID SLOPE........42-50.  
* MIN HUMIDITY.......  
* VALLEYS..........28-38%.  
* MID SLOPE........28-38%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30  
MPH SHIFTING TO THE SOUTH WITH GUSTS TO 30 MPH  
LATE IN THE AFTERNOON.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 4100-5100 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLOUDY. CHANCE OF SNOW SHOWERS. LOWS 29-38. NORTH  
WINDS 7 TO 12 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
SHOWERS LIKELY. HIGHS 43-53. LOWS 27-37. NORTHEAST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 41-51. LOWS 25-35.  
WEST WINDS 10 TO 15 MPH.    
MONDAY
 
CLEAR. HIGHS 47-57. LOWS 25-35. NORTHWEST WINDS 10 TO  
15 MPH.    
TUESDAY
 
CLEAR. HIGHS 57-67. LOWS 28-38.    
WEDNESDAY
 
SUNNY. HIGHS 63-73.  
 

 
 
CAZ270-278-NVZ458-290015-  
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-  
NORTHERN WASHOE COUNTY-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
* MAX TEMPERATURE....  
* VALLEYS..........41-51.  
* MID SLOPE........36-46.  
* 24 HR TREND......8 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........27-37%.  
* MID SLOPE........34-44%.  
* 24 HR TREND......5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH INCREASING TO 15 TO  
25 MPH IN THE AFTERNOON. GUSTS TO 30 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50  
MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1700-2700 FT AGL INCREASING TO 5000-6000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.  
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
* MIN TEMPERATURE....  
* VALLEYS..........24-34.  
* MID SLOPE........22-31.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........80-90%.  
* MID SLOPE........77-87%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35  
MPH BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 45  
MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......2700-3700 FT AGL DECREASING TO 700-1200 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15  
MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CLOUDY. CHANCE OF SHOWERS.  
* MAX TEMPERATURE....  
* VALLEYS..........39-49.  
* MID SLOPE........36-44.  
* MIN HUMIDITY.......  
* VALLEYS..........38-48%.  
* MID SLOPE........44-54%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST 8 TO 13  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 3200-4200 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH.  
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 24-34.  
DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 44-54. LOWS  
24-34. NORTHEAST WINDS 10 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 46-56. LOWS  
23-33. NORTH WINDS 10 TO 20 MPH.    
MONDAY
 
CLEAR. HIGHS 53-63. LOWS 23-33. NORTH WINDS 10 TO 15 MPH.    
TUESDAY
 
CLEAR. HIGHS 61-71. LOWS 31-41.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 59-69.  
 

 
 
CAZ271-290015-  
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
* MAX TEMPERATURE....  
* VALLEYS..........35-45.  
* MID SLOPE........32-42.  
* 24 HR TREND......7 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........46-56%.  
* MID SLOPE........47-57%.  
* 24 HR TREND......5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH INCREASING TO 12 TO  
18 MPH LATE IN THE AFTERNOON. GUSTS TO 25 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH. GUSTS TO 70 MPH  
DECREASING TO 50 MPH IN THE AFTERNOON.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 3500-4500 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.  
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS.  
* MIN TEMPERATURE....  
* VALLEYS..........21-31.  
* MID SLOPE........20-29.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........86-96%.  
* MID SLOPE........81-91%.  
* 24 HR TREND......4% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH  
IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 45  
MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......1700-2700 FT AGL DECREASING TO 600-1000 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15  
MPH AFTER MIDNIGHT.  
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........CLOUDY. CHANCE OF SNOW SHOWERS.  
* MAX TEMPERATURE....  
* VALLEYS..........36-44.  
* MID SLOPE........33-41.  
* MIN HUMIDITY.......  
* VALLEYS..........54-64%.  
* MID SLOPE........56-66%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...35%.  
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 2500-3500 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
SNOW SHOWERS LIKELY IN THE EVENING, THEN CHANCE OF  
SNOW SHOWERS AFTER MIDNIGHT. LOWS 24-33. DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 39-49. LOWS  
23-33. SLOPE WINDS.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 42-52. LOWS 19-29.  
NORTH WINDS 10 TO 15 MPH.    
MONDAY
 
CLEAR. HIGHS 49-59. LOWS 19-29. SLOPE WINDS.    
TUESDAY
 
CLEAR. HIGHS 57-67. LOWS 24-34.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 55-65.  
 

 
 
CAZ274-290015-  
SOUTHERN MONO COUNTY-  
427 AM PDT THU MAR 28 2024  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF  
SNOW SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........39-49.  
* MID SLOPE........34-44.  
* 24 HR TREND......8 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........16-26%.  
* MID SLOPE........23-33%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS TO 30 MPH  
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 40  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 75  
MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...55%.  
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 3400-4400 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 30 TO 40 MPH.  
* VENTILATION........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MIN TEMPERATURE....  
* VALLEYS..........17-27.  
* MID SLOPE........19-29.  
* 24 HR TREND......8 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........65-75%.  
* MID SLOPE........49-59%.  
* 24 HR TREND......9% DRIER.  
* 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 20 MPH WITH GUSTS TO 50  
MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1900-2900 FT AGL DECREASING TO 600 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH DECREASING TO 10 TO 15 MPH  
AFTER MIDNIGHT.  
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........SNOW SHOWERS LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........36-46.  
* MID SLOPE........32-42.  
* MIN HUMIDITY.......  
* VALLEYS..........27-37%.  
* MID SLOPE........34-44%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTH 9 TO 15 MPH  
WITH GUSTS TO 25 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH INCREASING TO 20 TO 30  
MPH LATE IN THE AFTERNOON. GUSTS TO 40 MPH.  
* HAINES INDEX.......2-3.  
* LAL................1.  
* CHC WETTING RAIN...30%.  
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 3100-4100 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 20  
TO 30 MPH IN THE AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CHANCE OF SNOW SHOWERS IN THE EVENING, THEN SNOW  
SHOWERS LIKELY AFTER MIDNIGHT. LOWS 19-29. SOUTHWEST WINDS 9 TO  
14 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
SATURDAY
 
CLOUDY. CHANCE OF SNOW SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 33-43. LOWS 14-24. SLOPE WINDS.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. HIGHS 34-44. LOWS  
14-24. WEST WINDS AROUND 10 MPH.    
MONDAY
 
CLEAR. HIGHS 38-48. LOWS 17-27. NORTH WINDS 10 TO 15 MPH.    
TUESDAY THROUGH WEDNESDAY
 
CLEAR. HIGHS 51-61. LOWS 19-29.  
 

 
 
.8 TO 14 DAY OUTLOOK FOR (THU APR 4 THROUGH WED APR 10)  
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.  
 
=  

 
 
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