South Lake Tahoe, California 7 Day Weather Forecast

Wx Discussion - Wx Hazards - Wx Special Statements

Weather Forecast Discussion

880
FXUS65 KREV 042017
AFDREV

Area Forecast Discussion
National Weather Service Reno NV
1217 PM PST Wed Nov 4 2026

.KEY MESSAGES...

* Dry and mild weather will persist across the region through the
  upcoming weekend.

* Temperatures will trend well above seasonal averages, with many
  western Nevada locations likely reaching the 70s by Sunday.

* A significant pattern change is expected mid next week, bringing
  increased chances for precipitation and gusty winds.

&&

.DISCUSSION...

High pressure will start to build in today, resulting in sunny
skies and mild temperatures across the region. Today will be a
calm and sunny day with light winds and some cirrus clouds moving
in this evening. Those clouds are due to a weak trough moving
through the Pacific NW tonight and will act as a blanket,
insulating surface temperatures. Morning lows tomorrow will be
just a few degrees warmer than this morning.

Tomorrow, the weak upper trough is expected to move quickly
eastward, allowing another ridge to build over the area.
Temperatures will begin a noticeable warming trend, with highs
reaching the low 60s for western NV/northeast CA and upper 50s in
the Sierra. This high pressure will remain in place through the
weekend, with temperatures peaking Sunday in the low 70s in
western NV/northeast CA and mid 60s in the Sierra.

Looking ahead to next week, model solutions start to diverge.
Long range ensemble models show quite a bit of variability in when
the first wave of precip will move in. The models have been
trending later in the week. Right now, they`re showing late
Wednesday into Thursday morning as the most likely first chance
we`ll see precipitation. So, still lots to smooth out over the
upcoming days. However, there is increasing confidence in the
potential for a more organized atmospheric river event to approach
the West Coast sometime next week.

-Justin

&&

.AVIATION...

VFR conditions are expected today. Dry conditions will prevail
across the region with light winds. Freezing fog may return to
the Northern Sierra valleys including KTRK tonight, but low
confidence (40% chance) due to increased cloud cover overnight.

-Justin

&&

.REV Watches/Warnings/Advisories...
NV...None.
CA...None.
&&

$$

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