403
FXUS65 KVEF 121659
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
959 AM PDT FRI SEP 12 2025
KEY MESSAGES
* LOW PRESSURE BRINGS BREEZY AFTERNOON WINDS, MUCH BELOW AVERAGE
TEMPERATURES, AND ISOLATED PRECIPITATION TO SOME AREAS THROUGH
TOMORROW.
* DRY CONDITIONS AND INCREASING TEMPERATURES RETURN THIS WEEKEND
AND EARLY NEXT WEEK.
DISCUSSION
THROUGH THURSDAY.
A TROUGH OF LOW PRESSURE WORKING ITS WAY FROM WEST TO EAST ACROSS
THE FORECAST AREA WILL KEEP BREEZY WIND AND COOLER THAN NORMAL
TEMPERATURES ACROSS THE AREA THROUGH THE WEEKEND. TODAY WILL BE THE
COOLEST DAY BEFORE THE STORM SYSTEM MOVES OFF THE EAST, ALLOWING FOR
A SLOW WARNING TREND INTO NEXT WEEK. THERE WILL BE A SLIGHT CHANCE
FOR SHOWERS AND PERHAPS A FEW THUNDERSTORMS IN THE EASTERN SIERRA
AND PORTIONS OF ESMERALDA COUNTY.
INCREASING HEIGHTS ASSOCIATED WITH THE DEPARTURE OF THE TROUGH
CURRENTLY OVER THE AREA WILL ALLOW FOR A SLOW WARMING AND DRYING
TREND OVER THE NEXT WEEK. TEMPERATURES WILL REBOUND TO NEAR
CLIMATOLOGICAL NORMAL FOR THIS TIME OF YEAR BY MID-WEEK, PERHAPS
PEAKING A FEW DEGREES ABOVE NORMAL BY WEDNESDAY. TEMPERATURE
FORECASTS HAVE COOLED A LITTLE OVER THE LAST DAY WITH ONLY A 10%
CHANCE OF REACHING 100 DEGREES AT HARRY REID AIRPORT ON WEDNESDAY
AND THURSDAY.
AVIATION...FOR HARRY REID...FOR THE 18Z FORECAST PACKAGE
WINDS
WILL GENERALLY REMAIN LESS THAN 8 KNOTS THROUGH THE DAY, WITH LIGHT
AND VARIABLE WINDS SETTLING IN FROM THE EAST DURING THE AFTERNOON.
WINDS WILL SWING AROUND TO THE WEST-SOUTHWEST IN A TYPICAL DIURNAL
FASHION AFTER SUNSET THIS EVENING. WINDS WILL BECOME LIGHT AND
VARIABLE AGAIN EARLY TOMORROW MORNING AS THEY BEGIN TO TRANSITION
BACK TO A MORE EASTERLY DIRECTION. VFR CONDITIONS WILL PREVAIL
THROUGH THE TAF PERIOD.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 18Z FORECAST PACKAGE...ISOLATED SHOWERS AND
THUNDERS WILL RETURN TO THE SIERRA AND OWENS VALLEY THIS AFTERNOON
WITH A 20% CHANCE OF ANY IMPACTS AT KBIH. LIGHTNING, SUDDEN GUSTY
WINDS, AND CIGS TO 8000FT WOULD BE POSSIBLE WITH ANY STORMS.
ELSEWHERE IT WILL REMAIN DRY. WINDS SHOULD REMAIN LIGHT IN MOST
LOCATIONS, THOUGH GUSTS TO AROUND 20KT ARE POSSIBLE THIS AFTERNOON
IN THE COLORADO RIVER VALLEY. ANY ELEVATED WINDS THAT DO DEVELOP
THIS AFTERNOON WILL QUICKLY END AROUND SUNSET.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...BERC
AVIATION...STESSMAN
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