854
FXUS65 KVEF 181035
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
335 AM PDT MON MAY 18 2026
KEY MESSAGES
* TODAY'S WEATHER INCLUDES COOL TEMPERATURES AND DECREASING WINDS
BEFORE A WARMING TREND TAKES PLACE THROUGH THE REST OF THE WEEK.
DISCUSSION
THROUGH SUNDAY.
THE TROUGH RESPONSIBLE FOR YESTERDAY'S WINDS IS CENTERED OVER THE
NEVADA-UTAH STATE LINE AS OF MIDNIGHT PDT/MST AND WILL CONTINUE TO
MOVE EAST THIS MORNING. WIND SPEEDS WILL DECREASE AREAWIDE IN
RESPONSE. WIND ADVISORIES AND HIGH WIND WARNINGS REMAIN IN EFFECT
UNTIL 5 AM PST/MST THIS MORNING FOR MOST LOCATIONS. NORTHERLY WINDS
REMAIN IN THE COLORADO RIVER VALLEY THIS MORNING WITH GUSTS BETWEEN
30 AND 40 MPH, WHICH WILL BRING WAVES OF 2 TO 4 FEET ON AREA LAKES.
A HIGH WIND WARNING WILL CONTINUE UNTIL 11 AM PDT/MST, BUT THESE
WINDS WILL WEAKEN IN THE AFTERNOON. ALSO OF INTEREST IS NOTABLY
COOLER TEMPERATURES TODAY, WITH HIGHS 10 TO 15 DEGREES BELOW NORMAL
FOR MID-MAY. THIS MEANS HIGHS IN THE UPPER 70S TO LOW 80S FOR THE
MOJAVE DESERT VALLEYS INCLUDING LAS VEGAS AND HIGHS IN THE 60S TO
LOW 70S IN THE SOUTHERN GREAT BASIN AND OWENS VALLEY. HOWEVER, THESE
UNSEASONABLY COOL TEMPERATURES WILL BE SHORT LIVED AS HIGH PRESSURE
REBUILDS OVER THE WEST COAST THROUGHOUT THE WEEK. HIGHS RETURN TO
NEAR NORMAL VALUES BY WEDNESDAY AND CLIMB TO 5 TO 10 DEGREES ABOVE
NORMAL BY FRIDAY, LASTING THROUGH THE WEEKEND.
AVIATION...FOR HARRY REID
FOR THE 12Z FORECAST
PACKAGE...NORTHERLY WINDS WITH GUSTS OF 20-30 KNOTS WILL CONTINUE
THROUGH THE MORNING HOURS BEFORE GRADUALLY EASING IN THE AFTERNOON.
WIND DIRECTION WILL SHIFT MORE NORTHEASTERLY IN THE AFTERNOON HOURS
WITH WIND SPEEDS BECOMING 8 TO 12 KNOTS. WINDS WILL SHIFT BACK TO
THE NORTHWEST LATE MONDAY NIGHT BEFORE RESUMING NORTHEASTERLY
DIRECTION TUESDAY BY LATE MORNING. OTHERWISE, MOSTLY CLEAR SKIES ARE
EXPECTED.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 12Z FORECAST PACKAGE...NORTHERLY WIND
DIRECTIONS ARE FAVORED FOR MOST OF THE REGION ON MONDAY WITH MORNING
GUSTS IN THE 15 TO 25 KNOT RANGE. EXCEPTION WILL BE ALONG THE
COLORADO RIVER VALLEY NEAR KIFP AND KEED WHERE GUSTS OF 25 TO 35
KNOTS ARE POSSIBLE. WIND GUSTS WILL GRADUALLY EASE AREAWIDE BY LATE
IN THE DAY. MOSTLY CLEAR SKIES ARE EXPECTED.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...MELTZER
AVIATION...OUTLER
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