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Harriman State Park

Sno-park · Idaho · Island Park · 6,130 ft

Base todayBare or trace

under 3 in at Island Park · 8 mi · 6,300 ft · read 12 Nov

The next 6 weeks

Each week against its own normal. Models initialized 7 Nov.

Weekly scoreBase depthSnowfall?Temp. vs normal
14–20 NovPoor bet?+4.1 °C vs normalWell below normal0 in · normally 4 inMore than usual+4.1 °C
21–27 NovPoor bet?+1.6 °C vs normalWell below normal3 in · normally 7 inNear normal+1.6 °C
28 Nov – 4 DecPoor bet?+1.7 °C vs normalWell below normal5 in · normally 9 inLess than usual+1.7 °C
5–11 DecPoor bet?+1.5 °C vs normalWell below normal7 in · normally 12 inLess than usual+1.5 °C
12–18 DecPoor bet?+1.5 °C vs normalWell below normal10 in · normally 16 inLess than usual+1.5 °C
19–25 Decnot forecast yet?

Season outlook

Expected base depth each month vs. normal, from models initialized November 2026.

Monthly score

November
Poor bet
4 in expected · normally 5 in · 27th percentile
December
Poor bet
15 in expected · normally 18 in · 22nd percentile
January
Marginal
27 in expected · normally 32 in · 21st percentile
February
Solid
35 in expected · normally 40 in · 21st percentile
March
Solid
34 in expected · normally 40 in · 23rd percentile
April
Poor bet
17 in expected · normally 20 in · 28th percentile

Base depth outlook

The chance this month's base is below, near or above this mountain's normal.

November
Well below normal
62% below31%
Base depth odds: 62% below · 31% near · 8% above normal
December
Well below normal
71% below22%
Base depth odds: 71% below · 22% near · 7% above normal
January
Well below normal
71% below21%
Base depth odds: 71% below · 21% near · 7% above normal
February
Well below normal
70% below23%
Base depth odds: 70% below · 23% near · 7% above normal
March
Well below normal
69% below24%
Base depth odds: 69% below · 24% near · 7% above normal
April
Well below normal
59% below33%
Base depth odds: 59% below · 33% near · 8% above normal

Snow station

The base and the outlook for this lot come from the Island Park station, 165 ft above the lot. A station above the lot reads deep and holds its snow longer than the lot does.

The place

Before you go

Idaho State Parks lists a Winter Access Pass as required here in winter. The park's page has the fees.

Official site: parksandrecreation.idaho.gov ↗