599
FXUS65 KVEF 291151
AFDVEF

Area Forecast Discussion
National Weather Service Las Vegas NV
451 AM PDT Fri May 29 2026

.KEY MESSAGES...

* Unsettled and unseasonably-cool conditions linger today.

* Calmer and warmer weather returns over the weekend and next week.

&&

.DISCUSSION...through Thursday.

Satellite imagery shows our cutoff low still lingering over central
CA, with an embedded vort max pushing into our area tonight. The
vort max is helping to spark a broad area of showers/virga primarily
across Inyo, Esmeralda, and Nye counties. This activity should
gradually fizzle out during the morning hours. The low finally
begins to lift northeast today, shifting shower and isolated storm
chances (20-50%) into Lincoln County, northern Mohave County, and
the high terrain of Clark County. Farther south along the I-40
corridor, breezy west-southwest winds up to 30 mph are expected
while dry conditions prevail. Highs today remain ~15 degrees below
normal for late May.

Heights rise over the weekend as the low exits, resulting in a quick
warmup to seasonable values. Breezes become light and dry conditions
return. A weak, quasi-zonal flow pattern sets up next week,
promoting additional warming and quiet weather. Temperatures rise to
~5 degrees above normal, PoPs remain below 10% across the area, and
afternoon breezes look to be light.

&&

.AVIATION...For Harry Reid...For the 12Z Forecast Package...South-
southwesterly winds early this morning will be intermittently
gusty, with gusts to around 15KT expected. A brief lull in winds
mid-morning will give way to more gusty southwesterly winds late
morning through sunset, with sustained speeds around 12KT and
gusts to 20-25KT. SCT-BKN ceilings will remain at or above 10kft
through early evening, and given a 20-30% chance of showers over
the mountains surrounding the Valley this afternoon, intermittent
terrain obscuration is expected. Expect this activity to stay
anchored to the terrain, though potential for outflow winds moving
into the Valley this afternoon will be monitored. Skies clear out
this evening and tonight, with VFR conditions prevailing.


For the rest of southern Nevada, northwest Arizona and southeast
California...For the 12Z Forecast Package...Winds this morning are
somewhat variable as a system moves through the area, producing
light sprinkles over southern Nevada and northwestern Arizona,
along with drizzle in the northern Owens Valley/at KBIH. Areawide,
winds will settle out of the south to southwest late this
morning, with speeds increasing to 10-15KT with gusts to 20-25KT,
easing after sunset. An exception to this is KBIH in the northern
Owens Valley, where northwesterly to northerly winds will prevail,
becoming elevated this evening. Additionally, winds across the
western Mojave Desert will generally remain westerly, with gusts
to 25-30KT mid-morning through tonight. SCT-BKN ceilings at or
above 10kft are expected, with lower ceilings at KBIH, especially
this morning, with another round of showers and thunderstorms
expected this afternoon, mainly across portions of northwestern
Arizona and the southern Great Basin, and in the higher terrain of
southern Nevada. Erratic gusty winds and lightning strikes are
the main concerns.

&&

.SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report
any significant weather or impacts according to standard operating
procedures.

&&

$$

DISCUSSION...Woods
AVIATION...Phillipson

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NWS Las Vegas (VEF) Office