253
FXUS65 KVEF 201122
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
422 AM PDT MON APR 20 2026
KEY MESSAGES
* WIDESPREAD STRONG WINDS EXPECTED TOMORROW, WITH COOLER AND
BREEZY CONDITIONS TO FOLLOW ON WEDNESDAY.
* TEMPERATURES WILL RETURN TO NEAR NORMAL THE REMAINDER OF THE
WEEK WITH SLIGHT COOLING POSSIBLE OVER THE WEEKEND.
DISCUSSION
THROUGH NEXT WEEKEND.
TEMPERATURES TODAY WILL BE SLIGHTLY WARMER THAN YESTERDAY WITH DRY
AND MILD CONDITIONS HANGING ON FOR ONE MORE DAY. SOUTHERLY WINDS
WILL BEGIN TO PICK UP IN THE OWENS VALLEY AND ACROSS THE SOUTHERN
GREAT BASIN TODAY OUT AHEAD OF THE INCOMING WEATHER SYSTEM POISED TO
IMPACT THE REGION ON TUESDAY AND WEDNESDAY. TEMPERATURES WILL
DECREASE AND WINDS WILL PICK UP ACROSS THE REGION ON TUESDAY AS A
DEEP CUT-OFF LOW AND ASSOCIATED 50 KNOT, 700 MB JET BEGINS TO
PUSH INTO THE REGION. WIDESPREAD 40+ MPH SOUTHERLY-TO-
SOUTHWESTERLY WIND GUSTS ARE EXPECTED ACROSS OUR FORECAST AREA ON
TUESDAY WITH THE POTENTIAL FOR 50 TO 60 MPH WIND GUSTS IN
ESMERALDA AND CENTRAL NYE COUNTIES. INCREASED PRECIPITATION
CHANCES WILL ALSO ACCOMPANY THIS SYSTEM WITH LIGHT RAIN SHOWERS
EXPECTED ACROSS THE SOUTHERN GREAT BASIN TUESDAY INTO WEDNESDAY.
LIGHT SNOW ACCUMULATIONS ARE EXPECTED ABOVE 8,000 FEET IN THE
EASTERN SIERRA SLOPES, WITH 2 TO 4 INCHES POSSIBLE AT ASPENDELL
(ELEVATION 8,400 FEET). BREEZES WILL LINGER ACROSS THE MOJAVE
DESERT INTO NORTHWESTERN ARIZONA ON WEDNESDAY, WITH SHOWERS
EXITING THE REGION WEDNESDAY MORNING.
TEMPERATURES WILL BOTTOM OUT IN THE WAKE OF THIS SYSTEM ON WEDNESDAY
WITH AFTERNOON HIGH TEMPERATURES TOPPING OUT 3 TO 7 DEGREES BELOW
NORMAL. BEYOND WEDNESDAY, TEMPERATURES WILL GRADUALLY CLIMB BACK UP
TO NEAR NORMAL AS TROUGHINESS LINGERS ACROSS THE SOUTHWEST. BEYOND
FRIDAY, GUIDANCE BEGINS TO DIVERGE AS A WEAK TROUGH OFF THE COAST OF
SOUTHERN CALIFORNIA MAY BEGIN TO INFLUENCE THE REGION, WITH SOME
MODEST COOLING POSSIBLE.
AVIATION...FOR HARRY REID...FOR THE 12Z FORECAST PACKAGE
WINDS
REMAIN LIGHT THIS MORNING, GRADUALLY VEERING TO THE SOUTHEAST BY
MID TO LATE MORNING. FOR A BRIEF PERIOD LATE THIS MORNING INTO
EARLY AFTERNOON, SOUTHEASTERLY WINDS WILL INCREASE TO AROUND 10KT,
WITH INTERMITTENT HIGHER GUSTS TO AROUND 15-18KT EXPECTED BEFORE
VEERING TO THE SOUTH-SOUTHWEST. SUSTAINED SPEEDS AROUND 15KT WITH
GUSTS TO 20-25KT ARE EXPECTED THEREAFTER THROUGH SUNSET, WHEN
GUSTS DIMINISH. OVERNIGHT THROUGH TUESDAY MORNING, WINDS WILL
REMAIN SOUTH-SOUTHWESTERLY AROUND 8-10KT. VFR CONDITIONS WILL
PREVAIL WITH FEW-SCT CLOUDS BETWEEN 15-25KFT.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 12Z FORECAST PACKAGE...ACROSS THE REGION,
WINDS THIS MORNING WILL REMAIN BETWEEN 5-10KT, FOLLOWING TYPICAL
PATTERNS WITH SOME VARIABILITY UNTIL LATE MORNING INTO EARLY
AFTERNOON. WINDS WILL SETTLE OUT OF THE SOUTH, WITH SPEEDS
INCREASING TO AROUND 15KT AND GUSTS TO 20-25KT INTO THE EVENING,
DIMINISHING THEREAFTER. EXCEPTIONS TO THIS INCLUDE THE NORTHERN
OWENS VALLEY/KBIH WHERE GUSTY UP-VALLEY WINDS TO 30-35KT ARE
EXPECTED THIS AFTERNOON INTO THIS EVENING BEFORE DIMINISHING, AND
THE WESTERN MOJAVE DESERT/KDAG WHERE WINDS MAINTAIN MORE OF A
WESTERLY DIRECTION. VFR CONDITIONS WILL PREVAIL, WITH PASSING
BANDS OF CLOUDS BETWEEN 15-25KFT.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...STESSMAN
AVIATION...PHILLIPSON
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