245
FXUS65 KVEF 210807
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
107 AM PDT THU MAY 21 2026
KEY MESSAGES
* WARMING TREND CONTINUES THROUGH MEMORIAL DAY WEEKEND BEFORE
GUSTY CONDITIONS RETURN ON TUESDAY.
DISCUSSION
TODAY THROUGH WEDNESDAY.
THE WARMING TREND CONTINUES FOR THE DESERT SOUTHWEST, WITH
TEMPERATURES CLIMBING TO 6 TO 8 DEGREES ABOVE SEASONAL NORMALS
SATURDAY THROUGH MONDAY. CORRESPONDINGLY, THERE IS WIDESPREAD MINOR
HEATRISK (LEVEL 1 ON A SCALE OF 0 TO 4) FOR MEMORIAL DAY WEEKEND,
WITH POCKETS OF MODERATE (LEVEL 2) IN THE LOWER DESERT VALLEYS SUCH
AS DEATH VALLEY, MOAPA VALLEY, AND THE COLORADO RIVER VALLEY. THOSE
PARTICIPATING IN OUTDOOR ACTIVITIES THIS HOLIDAY WEEKEND ARE
ENCOURAGED TO BRING PLENTY OF WATER, APPLY SUNSCREEN, AND TAKE
FREQUENT BREAKS IN THE SHADE AND/OR AIR CONDITIONING. AS THE WEEKEND
PROGRESSES, A CLOSED AREA OF LOW PRESSURE WILL PUSH INTO THE PACIFIC
NORTHWEST; THE ASSOCIATED TROUGH AXIS IS EXPECTED TO PUSH THROUGH
THE DESERT SOUTHWEST ON TUESDAY, RESULTING IN WIDESPREAD GUSTY
SOUTHWEST WINDS BETWEEN 30 AND 40 MPH ALONG WITH A DECREASE IN
TEMPERATURES. THERE REMAINS SOME UNCERTAINTY REGARDING THE TIMING
AND DEPTH OF THIS SYSTEM, SO FORECAST DETAILS WILL EVOLVE AS WE MOVE
THROUGH THE WEEK.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...SOULAT
AVIATION...BERC
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