South Lake Tahoe, California 7 Day Weather Forecast

Wx Discussion - Wx Hazards - Wx Special Statements

Weather Forecast Discussion

692
FXUS65 KREV 212006
AFDREV

Area Forecast Discussion
National Weather Service Reno NV
106 PM PDT Sun Jun 21 2026

.KEY MESSAGES...

* Seasonal temperatures and dry conditions prevail across the area
  today.

* Above average temperatures, and widespread moderate HeatRisk are
  expected Monday through Thursday for western NV, with typical
  afternoon breezes.

* Upper trough potentially arrives by the end of the week, with an
  increase in winds, lower temperatures and low chances for
  isolated showers and thunderstorms near the OR border.

&&

.DISCUSSION...

Fair weather prevails today as a zonal flow pattern continues over
the region. Only cumulus clouds are observed across the CWA in
visible satellite imagery. Temperatures will be warmer than
yesterday this afternoon, but will still be seasonal for the
beginning of astronomical summer. Typical winds develop this
afternoon generally from the west between 10-15 mph and gusting
up to 25 mph.

An upper level ridge centered over the International Border in
the Desert Southwest will expand and stretch towards our forecast
area over the next few days resulting in a gradual warm trend.
Temperatures are expected to peak on Tuesday with afternoon highs
in the mid to upper 90s for western NV and NE CA, and in the upper
70s and 80s for Sierra communities. The Chalfant Valley and
portions of the NV Basin and Range may reach the century mark.
Locations like Fallon, Hawthorne and Lovelock in the lowest
valleys have a 40-60% chance of exceeding 99F.

Towards the end of the week, the ridge is pushed south as an upper
trough descends towards the PacNW. This pattern change brings an
increase in winds, cooler temperatures (potentially back to
seasonal), and low chances (10-20%) for showers and thunderstorms
near the OR border. However, there is still uncertainty with the
models in respect to the timing and placement of this system. So,
we`ll have to wait and see how this system develops over the next
few days.

-HC

&&

.AVIATION...

VFR conditions continue at all terminals. Typical west winds
return in the afternoon to early evening with sustained 10-15 kts
and gusts 20-25 kts, then light and VRB overnight and in the
morning.

-HC

&&

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

$$

Hazardous Weather Outlook

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