Idaho, 2025Heavy Snow in Idaho, December 18 to 19, 2025
December 18 to 19, 2025 · NWS PIH · 5 events in 5 counties and zones
Snow amounts of over a foot were widespread in southeast Idaho.
Every event with a place to put it; 5 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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 5
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.
Snow amounts of over a foot were widespread in southeast Idaho.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pocatello, ID wrote its last area forecast discussion before the first event at Dec 18, 4:55 AM MST, 2 hours 5 minutes earlier.
Area forecast discussion, Dec 18, 4:55 AM MST, 2 hours 5 minutes before
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</html>Heavy Snow, Centennial Mountains-Island Park
- When
- December 18, 7:00 AM MST to December 19, 7:00 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 were 10.8 inches at Island Park and 14.5 inches at White Elephant.
Heavy Snow, Frank Church Wilderness
- When
- December 18, 7:00 AM MST to December 19, 7:00 AM MST
- Where
- Frank Church Wilderness forecast zone
- Reported by
- SNOTEL
- Coordinates
- 44.241, -114.282 (the zone’s center; the record gives no point)
Estimated SNOTEL snow amounts were 15.1 inches at Mill Creek Summit.
Heavy Snow, Sawtooth-Stanley Basin
- When
- December 18, 7:00 AM MST to December 19, 7:00 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)
SNOTEL snow amount at Vienna Mine was 31.5 inches.
Heavy Snow, Sun Valley Region
- When
- December 18, 7:00 AM MST to December 19, 7:00 AM MST
- Where
- Sun Valley Region forecast zone
- Reported by
- SNOTEL
- Coordinates
- 43.826, -114.131 (the zone’s center; the record gives no point)
SNOTEL snow amount estimates were 13.6 inches at Chocolate Gulch, 15.9 inches at Galena, 19.3 inches at Galena Summit, and 17.1 inches at Lost Wood Divide.
Heavy Snow, Big Lost Highlands-Copper Basin
- When
- December 18, 7:00 AM MST to December 19, 7:00 AM MST
- Where
- Big Lost Highlands-Copper Basin forecast zone
- Reported by
- SNOTEL
- Coordinates
- 43.792, -113.811 (the zone’s center; the record gives no point)
SNOTEL snow amount estimate was 12.7 inches at Smiley Mountain.
- 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 Kansas, December 18, 20251 death · 67 kt wind · 13 events
- Damaging Winds and Lightning Strike in Alabama, December 18, 2025$127,000 · 61 kt wind · 70 events
- High Wind in Wyoming, December 18 to 20, 2025$555,000 · 76 kt wind · 15 events
- Blizzard and High Wind in Iowa, December 18, 20257 injured · 55 kt wind · 17 events
- Damaging Winds and High Wind in Tennessee, December 18 to 19, 2025$124,000 · 68 kt wind · 13 events
- Damaging Winds in Tennessee, December 18, 2025$112,000 · 70 kt wind · 11 events
- Flooding and Heavy Rain in California, December 18 to 23, 2025$30,000 · 30 events
- Damaging Winds in Tennessee, December 18, 2025$31,000 · 58 kt wind · 23 events
- Damaging Wind in Indiana, December 18, 2025$50,000 · 52 kt wind · 1 event
- Damaging Winds in Kentucky, December 18 to 19, 20251 injured · $24,000 · 50 kt wind · 4 events
- Blizzard and High Wind in North Dakota, December 18, 20252 injured · 55 kt wind · 12 events
- High Wind and Strong Wind in New York, December 18 to 20, 202556 kt wind · 27 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: 1308211, 1308221, 1308227, 1308230, 1308234.