885
FXUS65 KVEF 150953
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
253 AM PDT MON JUN 15 2026
KEY MESSAGES
* ABOVE-NORMAL AFTERNOON HIGH TEMPERATURES WILL CONTINUE, PEAKING
TUESDAY AND WEDNESDAY.
* TEMPERATURES WILL DROP TOWARD SEASONAL NORMALS FOR THE SECOND
HALF OF THE WEEK AS BREEZY SOUTHWESTERLY WINDS PICK UP EACH
AFTERNOON.
DISCUSSION
TODAY THROUGH SUNDAY.
DRY AIR HAS MOVED INTO THE REGION THIS EVENING, AS SHOWN VIA WATER
VAPOR IMAGERY AS WELL AS VIA THE DROP IN PWAT IN THE 06Z LAS VEGAS
SOUNDING (DOWN TO 0.45" COMPARED TO YESTERDAY'S 12Z WITH 0.84").
VERY ISOLATED CONVECTION IS POSSIBLE AGAIN THIS AFTERNOON, BUT WITH
MUCH LESS COVERAGE THAN THE LAST COUPLE OF DAYS. BEST CHANCES OF
SHOWER AND THUNDERSTORM FORMATION WILL BE OVER THE MOUNTAINS OF
LINCOLN AND SOUTHERN MOHAVE COUNTIES, WHERE DRY LIGHTNING AND WIND
GUSTS BETWEEN 35 AND 45 MPH CONTINUE TO BE THE PRIMARY CONCERNS.
OTHERWISE, AFTERNOON TEMPERATURES WILL CONTINUE TO SIT BETWEEN 8 AND
12 DEGREES ABOVE SEASONAL NORMALS THROUGH MIDWEEK, PEAKING ON
TUESDAY AND WEDNESDAY. FORECAST TEMPERATURES HAVE DECREASED
SLIGHTLY, RESULTING IN A DECREASED AREAL EXTENT OF MAJOR HEAT RISK.
FOR THIS REASON, OPTING TO HOLD OFF ON ISSUING ANY HEAT-RELATED
HEADLINES. REGARDLESS, WIDESPREAD MODERATE AND POCKETS OF MAJOR HEAT
RISK POSE THREATS OF HEAT-RELATED ILLNESS, PARTICULARLY IN THOSE
CONSUMING HEAVY MEALS, ALCOHOL, CAFFEINE, OR OTHER DRUGS, AS WELL AS
THOSE IN TOWN FROM COOLER CLIMATES.
LATE-WEEK, TEMPERATURES WILL COOL CLOSER TO SEASONAL NORMALS AND
WIND GUSTS WILL INCREASE FROM THE SOUTHWEST EACH AFTERNOON AS A
SHORTWAVE TROUGH PUSHES INTO THE WESTERN CONUS. AT THE MOMENT, WIND
GUSTS LOOK TO REMAIN SUB-ADVISORY, WITH WIDESPREAD 25 TO 35 MPH
EXPECTED.
AVIATION...FOR HARRY REID...FOR THE 12Z FORECAST PACKAGE
LIGHT WINDS UNDER 8KT WILL CONTINUE THE REST OF TONIGHT THROUGH
THE EARLY MORNING. SOUTH WINDS AROUND 8KT LATE MORNING WILL BECOME
SOUTHWEST AT 10-15KT AROUND 21Z. OCCASIONAL GUSTS UP TO 20KT ARE
EXPECTED IN THE AFTERNOON. WINDS WILL SUBSIDE AFTER SUNSET THIS
EVENING, DROPPING BELOW 8KT AGAIN BY 09Z NIGHT. LIGHT WINDS WILL
THEN PERSIST THROUGH TUESDAY MORNING. TEMPERATURES WILL EXCEED 100
DEGREES BETWEEN 18Z THROUGH 04Z. VFR CONDITIONS WITH FEW TO SCT
CLOUDS AROUND 15KFT DEVELOPING IN THE AFTERNOON, OTHERWISE CLEAR
SKIES EXPECTED.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 12Z FORECAST PACKAGE...WEST WINDS AT 10-15KT
WILL CONTINUE THROUGH MONDAY MORNING AT KDAG. ELSEWHERE, WINDS UNDER
10KT ARE EXPECTED. SOUTH TO SOUTHWEST WINDS WILL DEVELOP LATE MONDAY
MORNING AND AFTERNOON, GUSTING UP TO 20KT IN MOST LOCATIONS, EXCEPT
AT KDAG WHERE WEST WINDS WILL GUST 25KT IN THE AFTERNOON. WINDS WILL
DIMINISH AFTER SUNSET AND LIGHT WINDS FOLLOWING TYPICAL DIRECTIONAL
PATTERNS ARE EXPECTED OVERNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS
WILL BE POSSIBLE OVER THE SIERRA AND THE TERRAIN OF WESTERN ARIZONA
MONDAY AFTERNOON, OTHERWISE DRY CONDITIONS ARE EXPECTED. ANY STORMS
COULD PRODUCE LIGHTNING AND SUDDEN GUSTY OUTFLOW WINDS.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...SOULAT
AVIATION...NICKERSON
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