700
FXUS65 KVEF 082127
AFDVEF

Area Forecast Discussion
National Weather Service Las Vegas NV
227 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...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 00Z Forecast Package...
Southwest winds with gusts 18-22KT are expected through the
remainder of the afternoon and early evening before diminishing. VFR
conditions will prevail with passing mid and high clouds this
afternoon and tonight, and temperatures expected to remain above
100F through 04z and peaking at 107 around 01Z. Similar wind
conditions Wednesday with afternoon southwest gusts 18-22KT.
Temperatures will once again climb above 100F between 17Z and 05Z
and peak around 110F between 00Z-01Z.

For the rest of southern Nevada, northwest Arizona and southeast
California...For the 00Z Forecast Package...Southwest winds with
gusts to 15-25KT expected for most areas into this evening before
diminishing. Winds will remain generally light over the western
Mojave Desert, but expect to see westerly winds increase after 00Z
with gusts to around 20KT. Gusts will not be as prevalent across the
Lower Colorado River Valley, though intermittent gusts to 10-15KT
are possible into this evening. VFR conditions will prevail with mid
and high clouds this afternoon onward.

&&

.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

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