344  
FXUS65 KREV 052044  
AFDREV  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE RENO NV  
144 PM PDT FRI SEP 5 2025  
   
KEY MESSAGES  
 
* SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED THROUGH THE AFTERNOON  
ACROSS WESTERN NEVADA.  
 
* SMOKE FROM NEARBY WILDFIRES WILL CONTINUE TO FILTER INTO THE  
REGION, PRODUCING HAZY SKIES AND AIR QUALITY IMPACTS.  
 
* FALL-LIKE WEATHER ARRIVES NEXT WEEK WITH MUCH COOLER TEMPERATURES,  
BREEZY WINDS, AND INCREASED SHOWER AND STORM CHANCES.  
 
 
   
DISCUSSION  
 
SCATTERED SHOWERS AND THUNDERSTORMS ARE BEGINNING TO MATURE ACROSS  
MONO AND MINERAL COUNTIES PER 12 PM MOISTURE-CHANNEL IMAGERY.  
FURTHER T-STORM DEVELOPMENT IS EXPECTED THROUGH THE AFTERNOON ACROSS  
WESTERN NEVADA, MAINLY EAST OF THE GREATER RENO-CARSON-MINDEN AREA.  
THUNDERSTORMS WILL POSE A RISK OF LOCALIZED FLASH FLOODING, SMALL  
HAIL, GUSTY OUTFLOW WINDS, AND FREQUENT LIGHTNING UNTIL 8-9 PM PDT  
BEFORE DEVOLVING INTO SHOWERS. ALL SHOWER/STORM ACTIVITY SHOULD END  
BEFORE 10 PM TONIGHT. ELSEWHERE, SKIES WILL BE MOSTLY SUNNY --  
ALBEIT HAZY FROM SMOKE DRIFT ORIGINATING FROM NEARBY WILDFIRES.  
 
A DRASTIC CHANGE IN THE WEATHER PATTERN REMAINS ON TRACK TO OCCUR  
OVER THE NEXT SEVERAL DAYS, CULMINATING IN FALL-LIKE WEATHER DURING  
THE UPCOMING WEEK. INCIPIENT IMPACTS BEGIN THIS WEEKEND IN THE FORM  
OF BREEZY WINDS AND COOLING TEMPERATURES. BREEZY WINDS WILL COUPLE  
WITH LOW, BUT INCREASING, RH THIS WEEKEND, WHICH MAY RESULT IN BRIEF  
ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS IN THE  
AFTERNOONS. MONDAY IS FAVORED TO BE THE WINDIEST DAY WHEN MOST AREAS  
HAVE AT LEAST A 50% CHANCE OF GUSTS EXCEEDING 30 MPH. FORTUNATELY,  
HIGHER HUMIDITY SHOULD PRECLUDE A GREATER FIRE THREAT, BUT PERHAPS A  
FEW HOLDOVER FIRES FLARE-UP IN RESPONSE TO STRONGER WINDS.  
 
STEADY COOLING CONTINUES THROUGH WEDNESDAY AS TEMPERATURES BECOME 10-  
20 DEGREES BELOW AVERAGE. WHILE SUBJECT TO CHANGE, IT'S LIKELY THAT  
DAYTIME HIGHS WILL ONLY REACH THE 60S AND 70S AROUND MIDWEEK.  
MEANWHILE, SHOWER AND STORM CHANCES INCREASE MONDAY AND PEAK  
WEDNESDAY AS THE LOW PRESSURE AREA DIRECTS PACIFIC MOISTURE INTO THE  
REGION. GIVEN THE TRACK OF THE LOW, BEST CHANCES (20-40%) OF SHOWERS  
AND T-STORMS FAVOR LASSEN AND FAR N WASHOE COUNTIES EACH DAY WITH  
LESSER ODDS TO THE SOUTH AND EAST. TEMPERATURES MAY EVEN BE COLD  
ENOUGH TO ALLOW SNOW FLURRIES IN THE HIGH SIERRA! LOW PRESSURE LIFTS  
AWAY FROM THE REGION AT THE END OF NEXT WEEK, LIKELY RESULTING IN  
WARMER AND DRIER WEATHER.  
 
-SALAS  
 
 
   
AVIATION  
 
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO BE THE MAIN CONCERN  
TODAY, ALTHOUGH IT'S LIKELY THEY REMAIN EAST OF MOST TAF SITES.  
INSTEAD, KMMH AND KNFL-KHTH-KLOL HAVE THE BEST CHANCES OF  
THUNDERSTORMS IMPACTS UNTIL 03-04Z TONIGHT. LINGERING SMOKE WILL  
CONTINUE TO IMPACT SLANTWISE VISIBILITIES DURING THE MORNINGS AND  
EVENINGS.  
 
-SALAS  
 
 
   
REV WATCHES/WARNINGS/ADVISORIES  
 
NV...NONE.  
CA...NONE.  
 
 
 
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