Idaho, 2015Heavy Snow in Idaho, December 21 to 22, 2015
December 21 to 22, 2015 · NWS MSO · 2 events in 2 counties and zones
A low pressure system and associated strong jet brought winds and snow to much of the Northern Rockies. This snowfall occurred during the pre-holiday period which elevated the impact to travel.
Every event with a place to put it; 2 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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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
A low pressure system and associated strong jet brought winds and snow to much of the Northern Rockies. This snowfall occurred during the pre-holiday period which elevated the impact to travel.
Heavy Snow, Southern Clearwater Mountains
- When
- December 21, 3:30 PM PST to December 22, 6:00 AM PST
- Where
- Southern Clearwater Mountains forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.844, -115.467 (the zone’s center; the record gives no point)
Lolo Pass saw periods of moderate to heavy snow throughout this period. Moderate snow showers were felt into the afternoon of the 22nd. Lolo Pass saw a total of 8 to 10 inches from this storm. The Savage Pass SNOTEL reported 18 inches of snow in 24 hours with the heaviest falling from 7 to 10 am on the 22nd.
Heavy Snow, Northern Clearwater Mountains
- When
- December 21, 8:00 PM PST to December 22, 11:00 AM PST
- Where
- Northern Clearwater Mountains forecast zone
- Reported by
- Public
- Coordinates
- 46.674, -115.657 (the zone’s center; the record gives no point)
A person from a gas station in Pierce remarked that it snowed so much that they had to constantly shovel at their house. They received an estimated 10 inches in the overnight period. The Crater Meadows SNOTEL at 5960 ft. reported 15 inches of snow during this period while 8 inches was reported in Elk River.
- 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.
- High Wind in Oregon, December 21, 20152 injured · $1.5 million · 62 kt wind · 13 events
- High Wind in Washington, December 21, 2015$1.1 million · 82 kt wind · 8 events
- Tornadoes in Louisiana, December 21, 20151 injured · $20,000 · EF1 · 2 events
- Hail and Damaging Winds in Missouri, December 21 to 23, 2015$30,000 · 52 kt wind · 5 events
- Winter Storm and Heavy Snow in Colorado, December 21 to 23, 201515 events
- Heavy Snow in Washington, December 21 to 22, 201514 events
- Heavy Snow in Idaho, December 21 to 22, 201511 events
- Flash Flood and Winter Storm in California, December 21 to 22, 201511 events
- Winter Storm and High Wind in Wyoming, December 21 to 22, 201564 kt wind · 7 events
- Winter Storm in Utah, December 21 to 23, 20157 events
- Heavy Snow in Nevada, December 21 to 24, 20157 events
- Winter Storm in Wyoming, December 21 to 23, 20156 events
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: 613217, 613216.