168
FXUS65 KVEF 201735
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1035 AM PDT WED MAY 20 2026
KEY MESSAGES
* WARMING TREND CONTINUES THROUGH MEMORIAL DAY WEEKEND, WITH
AFTERNOON HIGHS CLIMBING TO 6 TO 8 DEGREES ABOVE-NORMAL.
DISCUSSION
TODAY THROUGH TUESDAY.
TODAY WILL BE THE COOLEST DAY OF THE FORECAST PERIOD AS HEIGHTS RISE
OVER THE REGION IN THE WAKE OF LAST WEEKEND'S WINDY TROUGH. THE
DESERT SOUTHWEST WILL REMAIN SITUATED BETWEEN AN EASTERN PACIFIC
AREA OF HIGH PRESSURE TO THE WEST AND PERSISTENT TROUGHING IN THE
CENTRAL CONUS TO THE EAST. AS A RESULT, EXPECT OCCASIONAL BREEZY
AFTERNOONS AS SHORTWAVE TROUGHS RIDE ALONG OUR NORTHWEST FLOW ALOFT.
HEATRISK WILL PEAK SATURDAY THROUGH MONDAY, WITH WIDESPREAD MINOR
(LEVEL 1 ON A SCALE OF 0 TO 4), AND POCKETS OF MODERATE (LEVEL 2) IN
THE LOWER DESERT VALLEYS SUCH AS DEATH VALLEY, MOAPA VALLEY, AND THE
COLORADO RIVER VALLEY. INCREASED OUTDOOR ACTIVITY CAN BE EXPECTED
WITH THE HOLIDAY WEEKEND, SO PEOPLE ARE ENCOURAGED TO BRING ALONG
WITH THEM PLENTY OF WATER, SUNSCREEN, AND TAKE FREQUENT BREAKS IN
THE SHADE AND/OR AIR CONDITIONING. THERE IS A CONTINUED SIGNAL THAT
UNSETTLED WEATHER RETURNS FOR THE MIDDLE OF NEXT WEEK, BUT DETAILS
ARE MURKY AT THIS TIME. STAY TUNED TO THE FORECAST IF YOU HAVE
TRAVEL OR OUTDOOR RECREATION PLANS.
AVIATION...FOR HARRY REID...FOR THE 18Z FORECAST PACKAGE
NORTHEAST WIND UNDER 10 KTS BECOMING SOUTHEAST BY MID AFTERNOON.
WINDS WILL SHIFT TO THE TYPICAL SOUTHWEST DIRECTION AFTER SUNSET.
EAST WINDS WILL DEVELOP MID MORNING AND BECOME MORE SOUTHEASTERLY
DURING THE AFTERNOON. VFR CONDITIONS CAN BE EXPECTED THROUGH THE
PERIOD, WITH A FEW SCATTERED HIGH CLOUDS WITH BASES AOA 15KFT AGL
MOVING IN AFTER 00Z THURSDAY.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 18Z FORECAST PACKAGE...GUSTY NORTHERLY WINDS
WILL CONTINUE IN THE COLORADO RIVER VALLEY AGAIN TODAY, WITH GUSTS
OF 20 TO 25 KNOTS EXPECTED AT KIFP AND KEED. ELSEWHERE, WINDS WILL
GENERALLY REMAIN UNDER 10 KNOTS THROUGH THURSDAY AND WINDS WILL BE
MUCH LIGHTER DOWN THE COLORADO RIVER VALLEY ON THURSDAY. VFR
CONDITIONS WILL PREVAIL AREAWIDE, WITH A FEW SCATTERED HIGH CLOUDS
WITH BASES AOA 15KFT AGL MOVING FROM NORTH TO SOUTH ACROSS THE
REGION LATE THIS AFTERNOON THROUGH THURSDAY MORNING.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...SOULAT
AVIATION...CZYZYK
FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:
HTTPS://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER
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