How much snow is Mammoth Mountain getting this week?

Mammoth Mountain is forecast to receive 17.1 inches of snow over the 5 days Oct 20–24, up to 22.7 inches (model estimate, up to the 80th pct.). Mammoth Mountain is looking at a significant snowfall event, with the GEFS ensemble showing 17.1 inches expected over the 5 days (Oct 20–24), the snow falling m...

When is the best powder day at Mammoth Mountain?

The best powder day at Mammoth Mountain in the next 5 days is Wed Oct 21, with 8.1 inches expected (up to 14" possible).

How accurate is the Mammoth Mountain snow forecast?

PowCall forecasts for Mammoth Mountain 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.

Mammoth MountainCA

Name: Mammoth Mountain Snow Forecast
Creator: PowCall

7953' base · 9503' mid · 11053' summit · Updated 9h ago

Mammoth Mountain is looking at a significant snowfall event, with the GEFS ensemble showing 17.1 inches expected over the 5 days (Oct 20–24), the snow falling mostly from Wed to Thu. The best powder day looks like Wed Oct 21 with 8.1 inches expected (range: 0.0-14.1"). Storm flow is from the S. SLR around 10:1 points to dense but skiable snow. There is considerable spread among ensemble members, so the actual totals could vary significantly from the expected values.

Today · 18 h

0.0"

up to 0"

2-Day · Oct 20–21

9.6"

up to 12.3" · model estimate, up to the 80th pct.

5-Day · Oct 20–24

17.1"

up to 22.7" · model estimate, up to the 80th pct.

Best Day · Oct 20–24

8.1"

Wed Oct 21

15-Day Snow Forecast

MonToday · 18 h

Oct 19

0.0"

up to 0"

46/28°F · SW 12mph · SLR 7:1

Tue

Oct 20

0.9"

up to 2"

42/25°F · SE 6mph · SLR 8:1

Wed

Oct 21

8.1"

up to 14"

38/26°F · S 6mph · SLR 9:1

Thu

Oct 22

3.8"

up to 13"

31/25°F · SW 8mph · SLR 11:1

Fri

Oct 23

0.0"

up to 0"

40/22°F · N 7mph · SLR 8:1

Sat

Oct 24

0.0"

up to 0"

45/22°F · E 5mph · SLR 8:1

Sun

Oct 25

0.0"

up to 0"

46/26°F · SE 5mph · SLR 8:1

Mon

Oct 26

0.0"

up to 0"

46/28°F · SW 5mph · SLR 8:1

Tue

Oct 27

0.0"

up to 0"

45/28°F · SW 5mph · SLR 8:1

Wed

Oct 28

0.0"

up to 0"

42/28°F · SW 8mph · SLR 8:1

Thu

Oct 29

0.0"

up to 1"

39/25°F · SW 8mph · SLR 8:1

Fri

Oct 30

0.0"

up to 4"

36/22°F · SW 7mph · SLR 9:1

Sat

Oct 31

0.0"

up to 6"

34/22°F · SW 8mph · SLR 10:1

Sun

Nov 1

0.0"

up to 1"

36/22°F · SW 5mph · SLR 9:1

Mon

Nov 2

0.0"

up to 4"

35/23°F · SW 7mph · SLR 10:1

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

View Full Interactive Forecast →