174  
FXUS65 KVEF 182025  
AFDVEF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
124 PM PDT FRI JUL 18 2025  
   
KEY MESSAGES
 
 
* MONSOONAL MOISTURE BRINGS SCATTERED STORMS TO THE AREA TODAY,  
BECOMING MORE ISOLATED ON SATURDAY. SOME OF THIS ACTIVITY MAY  
BRING FLASH FLOODING AND GUSTY OUTFLOW WINDS.  
 
* TEMPERATURES REBOUND TO NEAR SEASONAL VALUES OVER THE WEEKEND AND  
NEXT WEEK AS DRY AND BREEZY CONDITIONS RETURN TO MOST OF THE AREA.  
 

 
   
DISCUSSION
 
THROUGH THURSDAY.  
 
LATEST SATELLITE IMAGERY SHOWS A LARGE MCV SPINNING ALONG THE BORDER  
OF INYO AND SAN BERNARDINO COUNTIES. THIS FEATURE AND THE EVER-  
PRESENT OROGRAPHIC CIRCULATIONS WILL HELP INITIATE SCATTERED  
CONVECTION AROUND THE AREA TODAY. STORMS ARE ALREADY GOING ON THE  
HIGH TERRAIN OF CLARK AND SAN BERNARDINO COUNTIES. AS THE AFTERNOON  
ROLLS AROUND, EXPECTING COVERAGE TO INCREASE ALONG AND SOUTH OF THE  
INTERSTATE 15 CORRIDOR, AS WELL AS LINCOLN COUNTY. FLASH FLOODING  
WILL BE THE MAIN HAZARD, THOUGH GUSTY OUTFLOW WINDS WILL ALSO BE  
POSSIBLE. UNLIKE YESTERDAY, TODAY'S ACTIVITY SHOULD LARGELY WANE BY  
SUNSET. TOMORROW, DRIER AIR BEGINS TO WORK ITS WAY IN, RESULTING IN  
MORE ISOLATED ACTIVITY, FOCUSED MAINLY ACROSS THE SOUTHERN GREAT  
BASIN. BY SUNDAY, PRECIPITATION CHANCES DROP BELOW 20% ACROSS THE  
ENTIRE CWA EXCEPT EASTERN MOHAVE COUNTY WHERE THEY LINGER BETWEEN 20  
AND 40% THROUGH TUESDAY.  
 
WITH MOISTURE AND CLOUD COVER DECREASING OVER THE WEEKEND,  
TEMPERATURES ARE FORECAST TO REBOUND TO NEAR SEASONAL VALUES.  
HEATRISK REMAINS IN THE MINOR TO MODERATE CATEGORIES, SUGGESTING  
IMPACTS WILL LARGELY BE CONFINED TO THOSE SENSITIVE TO HEAT. AS A  
TROUGH DIGS OFF THE WEST COAST, WE'LL EXPERIENCE BREEZY SOUTHWEST  
WINDS. BREEZES MAY BE STRONG ENOUGH TO PRODUCE ELEVATED FIRE WEATHER  
CONDITIONS IN PLACES THAT DON'T RECEIVE MUCH PRECIPITATION TODAY.  
 

 
   
AVIATION...FOR HARRY REID...FOR THE 18Z FORECAST PACKAGE
 
OUTSIDE  
OF ANY CONVECTIVE INFLUENCES, EXPECTING WINDS TO REMAIN LIGHT FROM  
THE SOUTH, FAVORING A SOUTHEAST COMPONENT DURING THE MORNING HOURS.  
HOWEVER, VICINITY THUNDERSTORMS ARE FORECAST TO DEVELOP AGAIN THIS  
AFTERNOON, WITH GUSTY, ERRATIC OUTFLOW WINDS POSSIBLE IN THE VALLEY.  
GUSTS OF 20-40 KNOTS POSSIBLE (50%) WITH THIS ACTIVITY. CHANCE OF TS  
AT THE AIRPORT AROUND 25%. SCATTERED TO BROKEN CLOUDS BETWEEN 10-  
12KFT WITH SKIES CLEARING LATE TONIGHT. TEMPERATURES EXPECTED TO  
REMAIN BELOW 100F TODAY.  
 
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST  
CALIFORNIA...FOR THE 18Z FORECAST PACKAGE...ISOLATED TO SCATTERED  
CONVECTION ACROSS THE REGION THIS AFTERNOON, PRIMARILY ALONG THE I-  
15 CORRIDOR AND SOUTHERN GREAT BASIN. GUSTY, ERRATIC OUTFLOW WINDS  
OF 20-40 KNOTS POSSIBLE NEAR THUNDERSTORMS. CONVECTIVE ACTIVITY WILL  
LARGELY WANE BY SUNSET, BUT SOME MAY LINGER ACROSS THE SOUTHERN  
GREAT BASIN UNTIL ~06Z. BARRING ANY CONVECTIVE INFLUENCES, WINDS  
SHOULD FOLLOW TYPICAL, DAILY PATTERNS. SCATTERED TO BROKEN CLOUDS  
BETWEEN 10-12KFT WITH SKIES CLEARING LATE TONIGHT.  
 

 
   
SPOTTER INFORMATION STATEMENT
 
SPOTTERS ARE ENCOURAGED TO REPORT  
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING  
PROCEDURES.  
 

 
 

 
 
DISCUSSION...WOODS  
AVIATION...WOODS  
 
FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:  
HTTPS://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NV Page
The Nexlab AZ Page
The Nexlab CA Page Main Text Page