415  
FXUS65 KREV 040832  
AFDREV  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE RENO NV  
132 AM PDT SAT OCT 4 2025  
   
KEY MESSAGES
 
 
* TEMPERATURES REMAIN BELOW AVERAGE THIS WEEKEND THROUGH THE  
START OF NEXT WEEK WITH DRY CONDITIONS.  
 
* A WARMING TREND WILL START TUESDAY INTO AT LEAST THURSDAY WITH  
CONTINUED DRY WEATHER.  
 

 
   
DISCUSSION
 
 
* THE LOW PRESSURE RESPONSIBLE FOR TWO DAYS OF WIDESPREAD RAIN AND  
HIGHER ELEVATION SNOWFALL IS EXITING THE REGION TODAY. WITH THE  
EXITING LOW, LOW LEVEL WINDS FROM THE EAST TO NORTHEAST ARE  
PUSHING SOME LOW CLOUDS ALONG THE EASTERN SLOPES OF THE SIERRA  
AND INTO WESTERN NV. THESE LOW CLOUDS WILL PERSIST THIS MORNING  
BEFORE TAPERING OFF LATE MORNING. FOR TODAY, WE ARE ON THE FAR  
WESTERN EDGE OF A LARGER SCALE TROUGH THAT COVERS THE WESTERN  
HALF OF THE US. WITH COOLER NORTH TO NORTHWEST FLOW ALOFT, HIGH  
TEMPERATURES WILL BE UPWARDS OF 10-15 BELOW AVERAGE.  
 
* BY SUNDAY INTO MONDAY, A LOW PRESSURE WILL DROP SOUTH ALONG THE  
WEST COAST ON THE PERIPHERY OF THE AFOREMENTIONED LARGER SCALE  
TROUGH. THIS WILL NOT GIVE US ANY PRECIPITATION. BUT, IT WILL  
KEEP OUR HIGH TEMPERATURES UPWARDS OF 10 DEGREES BELOW AVERAGE  
AND LOW TEMPERATURES UP TO 5 DEGREES BELOW AVERAGE. THESE  
READINGS ARE MORE COMMON FOR MID-OCTOBER.  
 
* BY LATE MONDAY INTO AT LEAST WEDNESDAY, HIGH PRESSURE MOVES INTO  
THE AREA. OUR TEMPERATURES WILL TREND UP AROUND 5 DEGREES ON  
TUESDAY, AND ANOTHER 5 DEGREES ON WEDNESDAY. THIS RETURNS US TO  
NORMAL READINGS FOR OCTOBER 10TH, WHICH IS THE MID-70S IN  
WESTERN NV AND MID-60S FOR MOST EASTERN SIERRA COMMUNITIES. BY  
THURSDAY INTO NEXT WEEKEND, THERE REMAINS HIGH UNCERTAINTY IN  
EVOLUTION OF THE SYNOPTIC PATTERN. ENSEMBLES ARE STILL HAVING  
BIG DISCREPANCIES IN SHOWING EITHER A DEEP TROUGH OVER THE AREA,  
OR WEAK RIDGING. FOR NOW, WE'LL KEEP MOSTLY DRY CONDITIONS AND  
TEMPERATURES THAT TREND TOWARD CLIMATOLOGY. -MCKELLAR  
 

 
   
AVIATION
 
 
 
* IFR/LIFR IN FREEZING FOG AND CEILINGS AT KTRK/KTVL UNTIL AROUND  
16Z. THE EASTERN SIERRA CAN ALSO EXPECT MOUNTAIN OBSCURATIONS  
IN LOW CLOUDS THROUGH AROUND 16-18Z. OTHERWISE, VFR CONDITIONS  
PREVAIL TODAY.  
 
* WINDS ARE OVERALL LIGHT FOR ALL TERMINALS TODAY, WITH SUSTAINED  
EAST TO NORTHEAST WINDS AROUND 5-10 KTS AND GUSTS TO 15 KTS.  
-MCKELLAR  
 

 
   
REV WATCHES/WARNINGS/ADVISORIES
 
 
NV...NONE.  
CA...NONE.  

 
 

 
 
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