800
FXUS65 KVEF 032331
AFDVEF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
430 PM PDT FRI JUL 3 2026
KEY MESSAGES
* DRY CONDITIONS, BREEZY AFTERNOONS, AND GRADUALLY WARMING
TEMPERATURES CONTINUE THROUGH NEXT WEEK.
DISCUSSION
TODAY THROUGH THURSDAY.
OVER THE WEEKEND, THE TROUGH THAT HAS DOMINATED WESTERN CONUS
WEATHER OVER THE LAST WEEK WILL FINALLY WEAKEN AS A RIDGE OF HIGH
PRESSURE BUILDS OVER THE SOUTHERN UNITED STATES. AS THIS OCCURS, THE
RESULTANT SOUTHWESTERLY FLOW ALOFT WILL USHER REMNANTS OF TROPICAL
STORM DOUGLAS INTO THE MOJAVE DESERT, WHICH WILL BRING CLOUD COVER
TO THE REGION SATURDAY EVENING AND SUNDAY. BREEZY SOUTHWESTERLY
WINDS WILL CONTINUE TO RETURN EACH AFTERNOON, WITH SPEEDS GENERALLY
BETWEEN 15 AND 20 MPH. THESE WINDS COUPLED WITH VERY DRY CONDITIONS
(RELATIVE HUMIDITIES IN THE LOW SINGLE-DIGITS IN THE AFTERNOON AND
THE TEENS-TO-LOWER 20S OVERNIGHT) WILL RESULT IN ELEVATED FIRE
DANGER. THIS IS PARTICULARLY NOTABLE AS RECREATION INVOLVING SPARKS
OR FLAMES IS HEIGHTENED FOR THE HOLIDAY WEEKEND. THOSE COOKING WITH
CHARCOAL GRILLS, PARTICIPATING IN TARGET PRACTICE, DRAGGING CHAINS
OFF THEIR VEHICLE, AND/OR USING SAFE-AND-SANE FIREWORKS ARE
ENCOURAGED TO TAKE EXTRA PRECAUTIONS, INCLUDING CARRYING EXTRA WATER
TO EXTINGUISH FLAMES, AS NECESSARY. OTHERWISE, EXPECT GRADUALLY
INCREASING TEMPERATURES AS THE AFOREMENTIONED HIGH PRESSURE GROWS
AND EXPANDS WESTWARD THROUGH THE WORK WEEK. TEMPERATURES WILL PEAK
IN THE LATTER HALF OF THE WEEK, WITH WIDESPREAD MODERATE (LEVEL 2 OF
4) AND SPLOTCHES OF HIGH (LEVEL 3 OF 4) HEAT RISK.
AVIATION...FOR HARRY REID...FOR THE 00Z FORECAST PACKAGE
LOW CONFIDENCE IN THE TAF FORECAST THROUGH 02Z AS A MICRO-SCALE EDDY
DEPICTED ON RADAR HAS STALLED OVER THE LAS VEGAS VALLEY JUST SE OF
THE AIRPORT KEEPING WINDS OUT OF THE E TO NE THROUGH THE AFTERNOON
HOURS. EXPECT NE WINDS 6-10 KTS WITH SPORADIC GUSTS 15-20 KTS AT
TIMES FOR THE NEXT SEVERAL HOURS. THIS EDDY SHOULD WEAKEN AND
DIMINISH CLOSER TO SUNSET ALLOWING WINDS TO SWITCH TO THE S TO SSW
AROUND 8-10 KTS. WINDS DIMINISH AFTER SUNSET, DROPPING BELOW 9KT
AGAIN AFTER 03Z AND REMAINING LIGHT INTO SATURDAY MORNING. SHORT
TERM HI-RES GUIDANCE DEPICTS A SIMILAR PATTERN DURING THE DAY
TOMORROW WITH EASTERLY FLOW AT 6-10 KTS AND ISOLATED HIGHER GUSTS.
CONFIDENCE REMAINS LOWER ON IF WINDS WILL REMAIN EASTERLY ALL DAY
TOMORROW, BUT HIGH ENOUGH TO KEEP IT IN THE TAFS FOR NOW. A SHIFT TO
S TO SSW IS EXPECTED AGAIN BY TOMORROW EVENING. VFR SKIES PERSIST
WITH PASSING FEW- SCT CLOUDS AT OR ABOVE 15KFT IN THE AFTERNOON AND
EVENING. TEMPERATURES WILL EXCEED 100 DEGREES BETWEEN 19Z-01Z
TOMORROW.
FOR THE REST OF SOUTHERN NEVADA, NORTHWEST ARIZONA AND SOUTHEAST
CALIFORNIA...FOR THE 00Z FORECAST PACKAGE... NORMAL DAILY WIND
PATTERNS CONTINUE THIS EVENING, SIMILAR TO YESTERDAY WITH S TO SSW
WINDS GUSTING 15-25KT ACROSS THE REGION. EXPECT A DIMINISHING TREND
IN WIND SPEEDS SHORTLY AFTER SUNSET AT MOST SITES. AT KDAG, WESTERLY
TO WNW WINDS HAVE INCREASED WITH GUSTS NEARING 20 KTS ALREADY,
LIKELY PEAKING IN THE 20-25 KT RANGE THE FIRST HALF OF THE NIGHT
BEFORE DIMINISHING. A TYPICAL DAILY WIND PATTERN IS EXPECTED AGAIN
FOR SATURDAY AT ALL SITES. VFR CONDITIONS WILL PREVAIL WITH FEW-
SCATTERED HIGH CLOUDS. SLANTWISE VISIBILITY REDUCTIONS DUE TO
WILDFIRE SMOKE POSSIBLE AT TIMES.
SPOTTER INFORMATION STATEMENT
SPOTTERS ARE ENCOURAGED TO REPORT
ANY SIGNIFICANT WEATHER OR IMPACTS ACCORDING TO STANDARD OPERATING
PROCEDURES.
DISCUSSION...SOULAT
AVIATION...CM
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