Sierra-at-Tahoe

California Off-season · base 6,634′

65°F Clear wind 7 mph
50% season peak vs the NRCS median peak · 2025-26 See the season →

September 15 in the books — no snow ever recorded on this date (24 years in the books). All-time single day: 30.0″ on Feb 17, 2026.

Stoke today Sep 15

Slush from forecast snow

Next 24 hours forecast

Forecast

0.0″

best available forecast · as of Sep 15 12:55

NWS 0.0″ · Open-Meteo 0.0″

Last 24 hours measured

Station

0.0″

Echo Peak SNOTEL · 5.4 km · depth 0.0″ · rolling 24 h, observed Sep 15 10:00

Resort

resort isn’t reporting yet

Next 48 hours

Tue 13:00 65°F Clear
Tue 14:00 64°F Clear
Tue 15:00 64°F Clear
Tue 16:00 65°F Clear
Tue 17:00 63°F Clear
Tue 18:00 61°F Clear
Tue 19:00 57°F Clear
Tue 20:00 52°F Clear
Tue 21:00 50°F Mostly Clear
Tue 22:00 49°F Mostly Clear
Tue 23:00 48°F Clear
Wed 0:00 46°F Clear
Wed 1:00 46°F Clear
Wed 2:00 46°F Clear
Wed 3:00 46°F Mostly Clear
Wed 4:00 45°F Clear
Wed 5:00 45°F Mostly Clear
Wed 6:00 45°F Clear
Wed 7:00 45°F Clear
Wed 8:00 48°F Clear
Wed 9:00 50°F Clear
Wed 10:00 55°F Clear
Wed 11:00 57°F Clear
Wed 12:00 58°F Clear
Wed 13:00 60°F Clear
Wed 14:00 59°F Clear
Wed 15:00 59°F Clear
Wed 16:00 60°F Clear
Wed 17:00 59°F Clear
Wed 18:00 57°F Clear
Wed 19:00 54°F Clear
Wed 20:00 49°F Mostly Clear
Wed 21:00 48°F Mostly Clear
Wed 22:00 47°F Mostly Clear
Wed 23:00 46°F Mostly Clear
Thu 0:00 44°F Mostly Clear
Thu 1:00 44°F Mostly Clear
Thu 2:00 44°F Mostly Clear
Thu 3:00 44°F Mostly Clear
Thu 4:00 44°F Mostly Clear
Thu 5:00 44°F Mostly Clear
Thu 6:00 42°F Mostly Clear
Thu 7:00 43°F Mostly Clear
Thu 8:00 45°F Clear
Thu 9:00 48°F Clear
Thu 10:00 52°F Clear
Thu 11:00 55°F Clear
Thu 12:00 56°F Clear
Thu 13:00 57°F Clear

10-day outlook

Tue Sep 15 70°F / 47°F wind 10 mph
Wed Sep 16 64°F / 46°F wind 14 mph
Thu Sep 17 63°F / 44°F wind 10 mph
Fri Sep 18 69°F / 44°F wind 6 mph
Sat Sep 19 74°F / 47°F wind 6 mph
Sun Sep 20 72°F / 52°F wind 5 mph
Mon Sep 21 65°F / 46°F wind 8 mph
Tue Sep 22 64°F / 43°F wind 7 mph
Wed Sep 23 62°F / 42°F wind 5 mph
Thu Sep 24 68°F / 47°F partial day wind 5 mph

Forecast data: National Weather Service; Weather data by Open-Meteo.com (CC BY 4.0); Data from MET Norway (CC BY 4.0) — adapted by SnowAlert.

In the forecaster’s words

Overnight

Partly cloudy, with a low around 47. Southeast wind around 1 mph.

Today

Sunny. High near 66, with temperatures falling to around 63 in the afternoon. West southwest wind 5 to 8 mph, with gusts as high as 21 mph.

This Afternoon

Sunny. High near 66, with temperatures falling to around 63 in the afternoon. West southwest wind around 8 mph, with gusts as high as 21 mph.

Tonight

Clear, with a low around 45. Southwest wind around 6 mph.

Wednesday

Sunny. High near 61, with temperatures falling to around 59 in the afternoon. Southwest wind 6 to 9 mph, with gusts as high as 25 mph.

Wednesday Night

Mostly clear, with a low around 42. Southwest wind around 7 mph, with gusts as high as 23 mph.

Forecast discussion SGX · Sep 15 04:28

Gradual cooling will continue through Wednesday following by slow warming for Thursday through Saturday, then slow cooling for Sunday and Monday. Night and morning coastal low clouds will extend will inland overnight across much of the valleys into Wednesday morning, then decrease in coverage and inland extent into the weekend.

Read the full discussion
000
FXUS66 KSGX 151128
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
428 AM PDT Tue Sep 15 2026

.SYNOPSIS...
Gradual cooling will continue through Wednesday following by slow
warming for Thursday through Saturday, then slow cooling for
Sunday and Monday. Night and morning coastal low clouds will
extend will inland overnight across much of the valleys into
Wednesday morning, then decrease in coverage and inland extent 
into the weekend.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

...UPDATED AVIATION DISCUSSION...

.SHORT TERM (Today through Thursday)...
A low pressure system moving southward along the West Coast into
California will continue the cooling trend through Wednesday
with Wednesday high temperatures a few degrees below average near
the coast and in the lower deserts to 5 to 10 degrees below
average for the Inland Empire. High temperatures on Wednesday will
range from the lower to mid 70s near the coast to the lower to mid 
80s for the Inland Empire with the lower deserts in the upper 90s
to around 100. Low pressure will begin to weaken over California on 
Thursday with warming of high temperatures of a few degrees per 
day for Thursday through Friday.

A coastal eddy with slow deepening of the marine layer will
continue into early Wednesday. The marine layer will deepen to
2500 to 3000 feet with night and morning coastal low clouds
extending well inland overnight and across much of the valleys.

&&

.LONG TERM (Friday through Monday)...
The warming trend will continue through Saturday with Saturday
high temperatures ranging from a few degrees below average for the
valleys to a few degrees above average for the deserts. High
temperatures on Saturday will range from the mid to upper 70s near
the coast to the mid 80s to lower 90s for the Inland Empire with
100 to 104 for the lower deserts.

During the weekend, a weak upper level low pressure system may
develop off the California coast and move into California on
Monday. This will bring a few degrees of cooling for Sunday and
Monday with Monday high temperatures ranging from the lower to mid
70s near the coast to the 80s for the Inland Empire with the lower
deserts around 100. Moisture is limited with the chance of
measurable rainfall in the mountains on Monday less than 5 
percent.

&&

.AVIATION... 
151130Z...Coast/Valleys...Low clouds based 1800-2200 feet MSL will 
fill the coastal basin by sunrise. Vis reduced far inland 1-5SM. 
Scatter out expected 16-18Z. Low clouds to push ashore after 03Z and 
spread inland overnight, filling the coastal basin by 12Z Wednesday. 
Bases around 1900-2400 feet MSL and reduced vis far inland.

Mountains/Deserts...Mostly clear and VFR conditions today and 
tonight.

&&

.MARINE...
No hazardous marine conditions are expected through Saturday.

&&

.SKYWARN... 
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...None.

&&

$$

PUBLIC...17
AVIATION/MARINE...MM

Sources & last updated