553
FXUS65 KVEF 090554
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1054 PM PDT TUE JUL 8 2025
KEY MESSAGES
* DRY CONDITIONS AND STRONG WINDS WILL RESULT IN CRITICAL FIRE
WEATHER CONDITIONS ACROSS PORTIONS OF SOUTHERN NEVADA FOR THE
REMAINDER OF THIS AFTERNOON AND TOMORROW.
* TEMPERATURES ACROSS THE REGION WILL CONTINUE TO INCREASE EACH DAY
THROUGH MID-WEEK AS HIGH PRESSURE BUILDS OVER THE AREA. AN EXTREME
HEAT WARNING IS IN EFFECT FOR SOUTHERN MOHAVE COUNTY AND THE
COLORADO RIVER VALLEY ON WEDNESDAY AS TEMPERATURES PEAK IN THE
EASTERN PORTIONS OF OUR FORECAST AREA.
DISCUSSION
TODAY THROUGH THIS WEEKEND.
THE COMBINATION OF DRY FUELS, LOW HUMIDITY, AND BREEZY SOUTHERLY-
TO-SOUTHWESTERLY WINDS WILL RESULT IN CRITICAL FIRE WEATHER
CONDITIONS ACROSS PORTIONS OF SOUTHERN NEVADA TODAY AND TOMORROW.
A RED FLAG WARNING IS IN EFFECT FOR NYE AND ESMERALDA COUNTIES WHICH
WILL EXPIRE AT 8PM THIS EVENING. THE FIRE WEATHER WATCH THAT WAS IN
EFFECT FOR PORTIONS OF LINCOLN COUNTY WEDNESDAY HAS BEEN UPGRADED TO
A RED FLAG WARNING THAT WILL RUN FROM 10 AM TO 8 PM TOMORROW. FOR
MORE DETAILS, SEE THE FIRE WEATHER SECTION BELOW.
TEMPERATURES WILL CONTINUE TO INCREASE AS A HIGH PRESSURE RIDGE
BUILDS OVER THE AREA. BY TOMORROW, SOUTHERN MOHAVE COUNTY AND THE
COLORADO RIVER VALLEY WILL SEE WIDESPREAD MAJOR (LEVEL 3 OF 4)
HEATRISK WHERE AN EXTREME HEAT WARNING REMAINS IN PLACE. A SHORTWAVE
TROUGH WILL SWING THROUGH THE GREAT BASIN ON WEDNESDAY, WHICH WILL
RESULT IN TEMPERATURES COOLING A SLIGHTLY FROM WEDNESDAY TO
THURSDAY. IN RESPONSE TO THE SHORTWAVE MOVING THOUGH TO OUR NORTH,
WE WILL SEE THE RIDGE AXIS SHIFT OVER THE WESTERN HALF OF OUR
FORECAST AREA ON THURSDAY. THIS WILL ALLOW FOR TEMPERATURES ACROSS
OUR WESTERN ZONES TO INCREASE AS WE HEAD INTO THE WEEKEND.
MEANWHILE, OUR FAR SOUTHEASTERN ZONES WILL SEE TEMPERATURES "COOL"
BACK DOWN TO NEAR NORMAL AS WE HEAD INTO THE WEEKEND BEFORE HEATING
BACK UP AS WE HEAD INTO NEXT WEEK.
AVIATION...FOR HARRY REID...FOR THE 06Z FORECAST PACKAGE
WIND CONDITIONS ON WEDNESDAY WILL BE SIMILAR AS TODAY, WITH GUSTY
SOUTHWEST WINDS PICKING UP IN THE LATE-MORNING TO EARLY-AFTERNOON
WITH SPEEDS AROUND 25 KTS. GUST SPEED AND FREQUENCY WILL DECREASE
THROUGH THE EVENING, WITH GUSTS FALLING OFF AFTER SUNSET. BREEZY
SOUTHWEST WINDS WILL CONTINUE THROUGH THE OVERNIGHT PERIOD BETWEEN 7
AND 9 KTS. NO OPERATIONALLY SIGNIFICANT CLOUD COVER. TEMPERATURES
WILL INCREASE ABOVE 100 DEGREES BETWEEN 17 AND 05Z.
FOR THE REST OF SOUTHERN NEVADA, NORTHWESTERN ARIZONA AND
SOUTHEASTERN CALIFORNIA...FOR THE 06Z FORECAST PACKAGE...WIND
CONDITIONS ON WEDNESDAY WILL BE SIMILAR AS TODAY, WITH GUSTY
SOUTHWEST WINDS PICKING UP IN THE AFTERNOON AROUND 25 KTS FOR LAS
VEGAS VALLEY AND COLORADO RIVER VALLEY TAF SITES AND GUSTY WEST
WINDS PICKING UP IN THE EVENING AROUND 30 KTS FOR KDAG. KBIH WILL
GUST FROM THE WEST-SOUTHWEST THIS AFTERNOON BEFORE VEERING TO THE
NORTH-NORTHWEST AROUND SUNSET. NO OPERATIONALLY SIGNIFICANT CLOUD
COVER.
FIRE WEATHER
A RED FLAG WARNING REMAINS IN PLACE UNTIL 8PM THIS
EVENING FOR ESMERALDA AND CENTRAL NYE COUNTIES WHERE SOUTHWEST WINDS
BETWEEN 15-25 MPH WITH GUSTS BETWEEN 30-35 MPH EXPECTED. WINDS WILL
THEN DIMINISH TO BELOW CRITERIA THROUGH THE OVERNIGHT PERIOD. THE
AREA OF LOW PRESSURE OFF THE CA COAST RESPONSIBLE FOR THE GUSTY
WINDS TODAY WILL SHIFT EAST TONIGHT. THIS WILL CAUSE THE BELT OF
GUSTY SOUTHWEST WINDS TO SHIFT EAST WEDNESDAY AND MORE INTO PORTIONS
OF LINCOLN COUNTY. THE FIRE WEATHER WATCH FOR LINCOLN COUNTY HAS
BEEN UPGRADED TO A RED FLAG WARNING WHICH WILL RUN FROM 10AM TO 8PM
FOR FIRE WEATHER ZONE 461. SUSTAINED WINDS 20-25 MPH ALONG WITH
GUSTS TO AROUND 35 MPH COMBINED WITH SINGLE DIGIT HUMIDITY WILL LEAD
TO CRITICAL FIRE WEATHER CONDITIONS. RECREATION WITH SPARKS AND
OUTDOOR BURNING IS NOT RECOMMENDED AS ANY FIRES THAT START WILL
DEVELOP AND SPREAD QUICKLY.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...GORELOW
AVIATION...SOULAT
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