Loon MountainNH

950' base · 2075' mid · 3050' summit · Updated 89d ago

<strong>Loon Mountain</strong> has a moderate snowfall pattern setting up, with the GEFS ensemble showing <strong>7 inches</strong> expected between Thu and Fri. The best powder day looks like <strong>Fri May 15</strong> with 4 inches expected (range: 1-8"). Storm flow is from the <strong>SE</strong>. Lower SLR of 5:1 means heavier, wetter snow. There is considerable spread among ensemble members, so the actual totals could vary significantly from the expected values.

24 Hours
0.5"
0-1"
48 Hours
3.5"
1-7"
5-Day
7.3"
3-17"
Best Day
3.6"
Fri May 2026-05-15

15-Day Snow Forecast

Wed
May 13
0.5"
0-1"
40/32°F · NE 4mph · SLR 6:1
Thu
May 14
3.0"
1-6"
46/40°F · SE 5mph · SLR 5:1
Fri
May 15
3.6"
1-8"
47/43°F · E 5mph · SLR 5:1
Sat
May 16
0.1"
0-0"
64/41°F · W 5mph · SLR 5:1
Sun
May 17
0.1"
0-1"
59/48°F · W 8mph · SLR 5:1
Mon
May 18
0.0"
0-0"
65/42°F · W 5mph · SLR 5:1
Tue
May 19
0.0"
0-1"
73/48°F · S 5mph · SLR 5:1
Wed
May 20
0.2"
0-3"
71/57°F · W 7mph · SLR 5:1
Thu
May 21
0.2"
0-3"
62/49°F · W 6mph · SLR 5:1
Fri
May 22
0.0"
0-2"
60/44°F · W 6mph · SLR 5:1

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

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Forecast powered by GEFS 31-member ensemble with PRISM-calibrated orographic correction. Verified daily against SNOTEL ground observations. © 2026 PowCall.