014
FXUS65 KVEF 211938
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1238 PM PDT THU MAY 21 2026
KEY MESSAGES
* WARMING TREND CONTINUES THROUGH MEMORIAL DAY WEEKEND BEFORE
GUSTY CONDITIONS RETURN ON TUESDAY.
* SMOKE FROM CALIFORNIA WILDFIRES MAY BE SEEN ACROSS THE MOJAVE
DESERT
DISCUSSION
TODAY THROUGH THURSDAY.
INCREASING TEMPERATURES CONTINUE INTO MEMORIAL DAY WEEKEND WITH 6
TO 8 DEGREES ABOVE CLIMATOLOGICAL NORMAL AREAWIDE. 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. THROUGH THE WEEKEND, A LOW PRESSURE SYSTEM
WILL BE MOVING ASHORE IN THE PACIFIC NORTHWEST WHERE THE LOW WILL
CUT OFF FROM THE MEAN UPPER FLOW AND DIG SOUTHWARD INTO THE DESERT
SOUTHWEST. THIS WILL BRING WINDIER CONDITIONS TO THE AREA, LIKELY
ON TUESDAY INTO EARLY WEDNESDAY, BUT THERE IS STILL SOME
UNCERTAINTY IN THE TIMING AND STRENGTH OF THIS SYSTEM, SO STAY
TUNED AS WE MOVE THROUGH THE HOLIDAY WEEKEND.
AVIATION...FOR HARRY REID...FOR THE 18Z FORECAST PACKAGE
LIGHT
WINDS FOLLOWING TYPICAL DIURNAL DIRECTIONAL TRENDS WILL PERSIST
THROUGH THE TAF PERIOD. SPEEDS WILL GENERALLY REMAIN 8 KNOTS OR
LESS, WITH LESS THAN 20 PERCENT CHANCE OF GUSTS TO 12 KNOTS FROM MID
AFTERNOON THROUGH EARLY EVENING. VFR CONDITIONS WILL PREVAIL INTO
FRIDAY.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 18Z FORECAST PACKAGE...WINDS ACROSS THE REGION
WILL GENERALLY BE LIGHT AND FOLLOW TYPICAL DIURNAL DIRECTIONAL
TRENDS, WITH SPEEDS REMAINING BELOW 10 KNOTS THROUGH THIS AFTERNOON.
MOST AREAS WILL SEE A CONTINUATION OF THE LIGHT WINDS OVERNIGHT,
EXCEPT ACROSS THE WESTERN MOJAVE DESERT, WHERE WESTERLY WINDS TO
AROUND 20 KNOTS WILL DEVELOP. VFR CONDITIONS WILL CONTINUE THROUGH
TONIGHT.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION/AVIATION...BERC
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