Idaho, 2025

Heavy Snow in Idaho, December 4 to 6, 2025

December 4 to 6, 2025 · NWS PIH · 8 events in 8 counties and zones

A wet Pacific storm system dropped over 10 inches of snow in elevations above 6500 feet.

Where it happened

Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
8

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PIH wrote it up.

A wet Pacific storm system dropped over 10 inches of snow in elevations above 6500 feet.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

8 heavy snow. Local standard time, as filed.

Heavy Snow, Southern Hills-Albion Mountains

When
December 4, 8:00 PM MST to December 6, 5:00 AM MST
Where
Southern Hills-Albion Mountains forecast zone
Reported by
SNOTEL
Coordinates
42.284, -113.600 (the zone’s center; the record gives no point)

Estimated SNOTEL snowfall amounts were 19.4 inches at Bostetter Ranger Station and 18.5 inches at Howell Canyon.

Heavy Snow, Marsh and Arbon Highlands

When
December 4, 8:00 PM MST to December 6, 9:00 AM MST
Where
Marsh and Arbon Highlands forecast zone
Reported by
SNOTEL
Coordinates
42.838, -112.256 (the zone’s center; the record gives no point)

Estimated SNOTEL snowfall amounts were 18.2 inches at Sedgwick Peak and 12.1 inches at Wildhorse Divide.

Heavy Snow, Franklin-Eastern Oneida Region

When
December 4, 8:00 PM MST to December 6, 5:00 AM MST
Where
Franklin-Eastern Oneida Region forecast zone
Reported by
SNOTEL
Coordinates
42.188, -112.176 (the zone’s center; the record gives no point)

An estimated 13.1 inches of snow fell at the Oxford Springs SNOTEL site.

Heavy Snow, Bear River Range

When
December 4, 8:00 PM MST to December 6, 8:00 AM MST
Where
Bear River Range forecast zone
Reported by
SNOTEL
Coordinates
42.412, -111.568 (the zone’s center; the record gives no point)

Estimated SNOTEL snow amounts were 23.2 inches at Emigrant Summit and 20.7 inches at Franklin Basin.

Heavy Snow, Caribou Range

When
December 4, 8:00 PM MST to December 6, 5:00 AM MST
Where
Caribou Range forecast zone
Reported by
COOP Observer
Coordinates
42.815, -111.502 (the zone’s center; the record gives no point)

SNOTEL snowfall estimates were 14 inches at Giveout, 14.4 inches at Slug Creek Divide and 13.3 inches at Somsen Ranch. The COOP observer 2 mile east of Swan Valley recorded 10.5 inches of snow.

Heavy Snow, Big Hole Mountains

When
December 4, 8:00 PM MST to December 6, 7:00 AM MST
Where
Big Hole Mountains forecast zone
Reported by
SNOTEL
Coordinates
43.644, -111.494 (the zone’s center; the record gives no point)

An estimated 17.2 inches of snow fell at the Pine Creek Pass SNOTEL site. Seven inches fell west of Victor reported by a trained spotter.

Heavy Snow, Centennial Mountains-Island Park

When
December 4, 8:00 PM MST to December 6, 8:00 AM MST
Where
Centennial Mountains-Island Park forecast zone
Reported by
SNOTEL
Coordinates
44.091, -111.680 (the zone’s center; the record gives no point)

Estimated snowfall amounts at SNOTEL sites were 10.4 inches at Crab Creek, 12.7 inches at Island Park, and 10.4 inches at White Elephant. The Island Park COOP observer recorded 9.3 inches of snow and 8 inches was reported at Macks Inn.

Heavy Snow, Sawtooth-Stanley Basin

When
December 4, 8:00 PM MST to December 6, 8:00 AM MST
Where
Sawtooth-Stanley Basin forecast zone
Reported by
SNOTEL
Coordinates
43.826, -114.131 (the zone’s center; the record gives no point)

An estimated 25.1 inches of snow fell at the Vienna Mine SNOTEL site.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Idaho in 2025Every state in 2025This day in weather historyWarnings in Idaho, December 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1306185, 1306186, 1306188, 1306190, 1306201, 1306202, 1306203, 1306205.