636
FXUS65 KVEF 241751
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1051 AM PDT SUN MAY 24 2026
KEY MESSAGES
* MAINLY DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES WILL CONTINUE
THROUGH MEMORIAL DAY.
* BREEZY WINDS AND COOLER TEMPERATURES WILL SPREAD ACROSS THE REGION
BEGINNING TUESDAY.
DISCUSSION
TODAY THROUGH NEXT WEEKEND.
A WEAK RIDGE OF HIGH PRESSURE WILL REMAIN IN PLACE ACROSS MUCH OF
THE REGION TODAY, KEEPING TEMPERATURES ABOVE NORMAL IN MANY
LOCATIONS. AFTERNOON HIGHS WILL TOP OUT 3 TO 7 DEGREES ABOVE
CLIMATOLOGICAL NORMALS THROUGH MEMORIAL DAY, WITH AFTERNOON BREEZES
DEVELOPING EACH DAY. MODEST MID-LEVEL MOISTURE REMAINS IN PLACE
ACROSS THE SOUTHERN GREAT BASIN, AND THIS, ALONG WITH STRONG
AFTERNOON HEATING, MAY SUPPORT ISOLATED TO SCATTERED HIGH-BASED
SHOWERS AND VIRGA OVER THE SIERRA AND PORTIONS OF INYO, ESMERALDA,
CENTRAL NYE, AND LINCOLN COUNTIES THIS AFTERNOON AND EVENING.
ELSEWHERE, DRY CONDITIONS WILL PERSIST THROUGH TOMORROW.
BY MID-WEEK, A CHANGE IN THE PATTERN IS EXPECTED AS A FAIRLY DEEP
TROUGH OF LOW PRESSURE OVER THE PACIFIC NORTHWEST DROPS SOUTH INTO
THE GREAT BASIN. THE LOW IS THEN EXPECTED TO SLOWLY MOVE ACROSS OUR
AREA DURING THE SECOND HALF OF THE WEEK WHILE GRADUALLY WEAKENING.
AS THIS SYSTEM DROPS SOUTH, GUSTY SOUTH TO WEST WINDS ARE EXPECTED
ACROSS MUCH OF THE AREA TUESDAY AND WEDNESDAY, WITH THE STRONGEST
WINDS LIKELY ACROSS OUR TYPICAL WIND PRONE AREAS OF THE WESTERN
MOJAVE DESERT, SOUTHERN NEVADA, AND CENTRAL AND NORTHERN MOHAVE
COUNTY IN ARIZONA. TEMPERATURES WILL ALSO COOL FROM WEDNESDAY
ONWARD, WITH READINGS FALLING TO A FEW DEGREES BELOW NORMAL IN MANY
AREAS. GIVEN ITS INLAND ORIGINS, MOISTURE WITH THIS SYSTEM WILL
REMAIN LIMITED, WITH ONLY THE SOUTHERN GREAT BASIN SEEING ANY
MEANINGFUL INCREASE IN POPS, AND EVEN THERE RAINFALL AMOUNTS WILL
REMAIN LIGHT. IMPROVING CONDITIONS ARE EXPECTED LATE IN THE WEEK AND
INTO NEXT WEEKEND AS HEIGHTS RISE AND TEMPERATURES RETURN TO NEAR
NORMAL LEVELS.
AVIATION...FOR HARRY REID...FOR THE 18Z FORECAST PACKAGE
WINDS
WILL VEER TO THE SOUTHEAST, BECOMING ELEVATED AND AT LEAST
INTERMITTENTLY GUSTY THIS AFTERNOON THROUGH SUNSET. SUSTAINED
SPEEDS AROUND 12-15KT ARE EXPECTED, ALONG WITH GUSTS TO AROUND
20KT. THERE IS MODERATE TO HIGH CONFIDENCE THAT GUSTS WILL REMAIN
BELOW 25KT. AFTER SUNSET, WINDS SHIFT TO THE SOUTHWEST, BECOMING
LIGHT OVERNIGHT. BY LATE MORNING MONDAY, WINDS WILL SHIFT TO THE
SOUTH/SOUTH-SOUTHEAST, GUSTING TO AROUND 15-18KT THEREAFTER
THROUGH THE END OF THE FORECAST PERIOD. VFR CONDITIONS WILL
CONTINUE WITH FEW-SCT CLOUDS AT OR ABOVE 15KFT.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 18Z FORECAST PACKAGE...ACROSS THE AREA, WINDS
WILL SETTLE OUT OF THE SOUTHEAST THIS AFTERNOON, WITH SUSTAINED
SPEEDS AROUND 10-15KT AND GUSTS TO 20-25KT THROUGH SUNSET.
THEREAFTER, GUSTS WILL DIMINISH, WITH WINDS DROPPING UNDER 10KT
OVERNIGHT THROUGH MONDAY MORNING. A NOTABLE EXCEPTION TO THIS IS
ACROSS THE WESTERN MOJAVE DESERT, INCLUDING KDAG, WHERE ELEVATED
WESTERLY WINDS ARE EXPECTED LATE THIS AFTERNOON ONWARD, GUSTING TO
20-25KT. VFR CONDITIONS WILL PREVAIL, WITH CLOUD BASES AT OR
ABOVE 12KFT. THIS AFTERNOON AND EARLY EVENING, THERE IS A 10-20
PERCENT CHANCE OF SHOWERS/VIRGA OVER THE SIERRA AND ACROSS
PORTIONS OF NORTHWESTERN ARIZONA, WITH THE PRIMARY CONCERNS BEING
ERRATIC GUSTY DOWNBURST WINDS AND OCCASIONAL LIGHTNING STRIKES.
KBIH IN THE NORTHERN OWENS VALLEY MAY SEE SOME OF THESE WINDS,
MAINLY DURING THE EARLY EVENING.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...PLANZ
AVIATION...PHILLIPSON
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