Tahoe Vista, California Weather Forecast Discussion

365
FXUS65 KREV 260928
AFDREV
Area Forecast Discussion
National Weather Service Reno NV
228 AM PDT Fri Sep 26 2025
.KEY MESSAGES...
* Warm and dry today with isolated showers or a stray
  thunderstorm possible in Mineral and Mono counties in the
  afternoon.
* Additional showers and thunderstorms expected Saturday afternoon
  in the eastern Sierra south of Tahoe.
* A strong Pacific storm will likely bring cooler, windier, and
  wetter weather Sunday into next week.
&&
.DISCUSSION...
Transient high pressure will move into the region today in the wake
of a passing low, resulting a much drier day today compared to
yesterday. However, there does appear to be just enough residual
moisture and instability in Mono and Mineral counties to support
isolated showers or perhaps a strike of lightning or two. Fleeting
high pressure will allow shower and thunderstorm coverage to expand
across the eastern Sierra on Saturday south of US-50, where odds
of 15-30% reside.
Broad and unseasonably strong low pressure will likely emerge in the
eastern Pacific over the weekend, increasing confidence in a multi-
day period of unsettled weather beginning Sunday. Increasing winds
and an uptick in shower and thunderstorm potential will serve as the
incipient concerns on Sunday into Monday ahead of the first of two
cold frontal passages. The first cold front will likely advance
through the region sometime Monday, providing another round of
showers and thunderstorms, and a sharp cooldown in its wake. The
second cold front appears to move through Tuesday, resulting in
further cooling and more showers. Highest Sierra peaks may even see
light snowfall with each cold front passage. Timing and impacts from
this storm will likely change in coming days so be sure to check
back with the latest forecast.
-Salas
&&
.AVIATION...
Widespread VFR conditions and light NE/E surface breezes will
prevail today, although there is a 10% chance of isolated showers or
a stray thunderstorm at KMMH between 20Z and 03Z. Coverage of
showers and thunderstorm expands a bit Saturday afternoon, but
remains confined to the eastern Sierra south of the Tahoe Basin.
-Salas
&&
.REV Watches/Warnings/Advisories...
NV...None.
CA...None.
&&
$$

NWS REV Office Area Forecast Discussion