How much snow is Marmot Basin getting this week?

Marmot Basin is forecast to receive 13.6 inches of snow in the next 5 days, with up to 21 inches possible. Marmot Basin is looking at a significant snowfall event, with the GEFS ensemble showing 14 inches expected between Fri and Sun...

When is the best powder day at Marmot Basin?

The best powder day at Marmot Basin in the next 5 days is Sat Sep 2026-09-26, with 11.5 inches expected (up to 17" possible).

How accurate is the Marmot Basin snow forecast?

PowCall forecasts for Marmot Basin are generated from 15 GEFS ensemble members with per-resort orographic correction and are verified daily against SNOTEL ground observations. We provide a transparent expected-snowfall estimate plus a realistic upper (80th percentile) estimate.

Marmot BasinAB

Name: Marmot Basin Snow Forecast
Creator: PowCall

5570' base · 7070' mid · 8570' summit · Updated 9h ago

Marmot Basin is looking at a significant snowfall event, with the GEFS ensemble showing 14 inches expected between Fri and Sun. The best powder day looks like Sat Sep 26 with 12 inches expected (range: 0-17"). Storm flow is from the S. SLR around 9:1 points to dense but skiable snow. There is considerable spread among ensemble members, so the actual totals could vary significantly from the expected values.

24 Hours

0.0"

up to 0"

48 Hours

1.1"

up to 2"

5-Day

13.6"

up to 21"

Best Day

11.5"

Sat Sep 2026-09-26

15-Day Snow Forecast

ThuToday

Sep 24

0.0"

up to 0"

39/29°F · S 3mph · SLR 8:1

Fri

Sep 25

1.1"

up to 2"

43/33°F · S 4mph · SLR 6:1

Sat

Sep 26

11.5"

up to 17"

33/28°F · SW 6mph · SLR 10:1

Sun

Sep 27

1.0"

up to 2"

30/21°F · SW 8mph · SLR 11:1

Mon

Sep 28

0.0"

up to 0"

34/24°F · SW 7mph · SLR 10:1

Tue

Sep 29

0.2"

up to 1"

34/25°F · SW 8mph · SLR 10:1

Wed

Sep 30

2.5"

up to 7"

30/26°F · SW 9mph · SLR 10:1

Thu

Oct 1

0.5"

up to 2"

30/22°F · SW 7mph · SLR 11:1

Fri

Oct 2

0.2"

up to 3"

29/22°F · SW 6mph · SLR 11:1

Sat

Oct 3

0.7"

up to 4"

29/21°F · SW 6mph · SLR 11:1

Sun

Oct 4

0.1"

up to 0"

31/22°F · SW 6mph · SLR 11:1

Mon

Oct 5

0.0"

up to 0"

36/25°F · SW 6mph · SLR 9:1

Tue

Oct 6

0.0"

up to 0"

39/26°F · SW 6mph · SLR 9:1

Wed

Oct 7

0.0"

up to 0"

39/28°F · SW 7mph · SLR 8:1

Thu

Oct 8

0.0"

up to 1"

40/31°F · SW 6mph · SLR 8:1

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

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