424
FXUS65 KVEF 200716
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1216 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 06Z FORECAST PACKAGE
NORTHEASTERLY WINDS WILL BECOME NORTHWESTERLY OVERNIGHT, DROPPING
TO AROUND 5-10KT, BEFORE VEERING TO THE NORTHEAST AGAIN BY LATE
TUESDAY MORNING. WINDS THEREAFTER WILL REMAIN AROUND 8KT OR LESS,
GRADUALLY VEERING TO THE SOUTHEAST THROUGH THE AFTERNOON AND
BECOMING VARIABLE AFTER SUNSET. VFR CONDITIONS WILL CONTINUE WITH
A FEW HIGH CLOUDS AROUND 25KFT EXPECTED TO MOVE INTO THE AREA
TUESDAY EVENING.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 06Z FORECAST PACKAGE...WINDS AREAWIDE WILL DROP
TO AROUND 5-10KT THROUGH THE NIGHT WITH GUSTY NORTHERLY WINDS
RETURNING BY MID-MORNING AT THE COLORADO RIVER TERMINALS. GUSTS WILL
PEAK AT AROUND 25KT THROUGH MID-AFTERNOON. ELSEWHERE, WINDS WILL
GENERALLY REMAIN UNDER 10KT. VFR CONDITIONS PREVAIL AREAWIDE, WITH
BANDS OF HIGH CLOUDS AROUND 25KFT ACROSS SOUTHERN AREAS THIS
EVENING, AND INCREASING MID-LEVEL AND HIGH CLOUDS FROM THE NORTH
LATE IN THE PERIOD.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...SOULAT
AVIATION...BERC
FOR MORE FORECAST INFORMATION...SEE US ON OUR WEBPAGE:
HTTPS://WEATHER.GOV/LASVEGAS OR FOLLOW US ON FACEBOOK AND TWITTER
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