How much snow is Sun Valley getting this week?

Sun Valley is forecast to receive 6.4 inches of snow over the 5 days Oct 20–24, up to 8.6 inches (model estimate, up to the 80th pct.). Sun Valley has a moderate snowfall pattern setting up, with the GEFS ensemble showing 6.4 inches expected over the 5 days (Oct 20–24), the snow falling mostly f...

When is the best powder day at Sun Valley?

The best powder day at Sun Valley in the next 5 days is Thu Oct 22, with 1.9 inches expected (up to 4" possible).

How accurate is the Sun Valley snow forecast?

PowCall forecasts for Sun Valley are generated from all 31 GEFS ensemble members with per-resort orographic correction. The range is scored against the resort's reported 24-hour snowfall, and forecasts are also checked against SNOTEL ground observations. We provide a transparent expected-snowfall estimate plus a realistic upper (80th percentile) estimate.

Sun ValleyID

Name: Sun Valley Snow Forecast
Creator: PowCall

5750' base · 7625' mid · 9150' summit · Updated 9h ago

Sun Valley has a moderate snowfall pattern setting up, with the GEFS ensemble showing 6.4 inches expected over the 5 days (Oct 20–24), the snow falling mostly from Thu to Fri. Storm flow is from the SE. Lower SLR of 6:1 means heavier, wetter snow. There is considerable spread among ensemble members, so the actual totals could vary significantly from the expected values.

Today · 18 h

0.0"

up to 0"

2-Day · Oct 20–21

0.8"

up to 1.6" · model estimate, up to the 80th pct.

5-Day · Oct 20–24

6.4"

up to 8.6" · model estimate, up to the 80th pct.

Best Day · Oct 20–24

1.9"

Thu Oct 22

15-Day Snow Forecast

MonToday · 18 h

Oct 19

0.0"

up to 0"

48/36°F · SE 8mph · SLR 5:1

Tue

Oct 20

0.2"

up to 1"

49/33°F · SE 6mph · SLR 6:1

Wed

Oct 21

0.6"

up to 1"

47/35°F · SE 7mph · SLR 6:1

Thu

Oct 22

1.9"

up to 4"

49/36°F · SE 8mph · SLR 5:1

Fri

Oct 23

1.7"

up to 6"

36/25°F · NW 8mph · SLR 8:1

Sat

Oct 24

0.0"

up to 0"

37/22°F · SW 5mph · SLR 9:1

Sun

Oct 25

0.0"

up to 0"

43/25°F · S 6mph · SLR 8:1

Mon

Oct 26

0.0"

up to 0"

44/29°F · S 5mph · SLR 8:1

Tue

Oct 27

0.0"

up to 0"

43/28°F · S 6mph · SLR 8:1

Wed

Oct 28

0.0"

up to 0"

42/29°F · S 6mph · SLR 8:1

Thu

Oct 29

0.0"

up to 0"

44/28°F · SE 6mph · SLR 7:1

Fri

Oct 30

0.0"

up to 0"

42/30°F · SW 6mph · SLR 8:1

Sat

Oct 31

0.0"

up to 2"

38/30°F · S 5mph · SLR 8:1

Sun

Nov 1

0.0"

up to 2"

36/27°F · SW 6mph · SLR 9:1

Mon

Nov 2

0.0"

up to 1"

36/26°F · SE 5mph · SLR 10:1

See interactive charts, accuracy data, and hourly forecasts on the full dashboard.

View Full Interactive Forecast →