Idaho, 2019

Heavy Snow in Idaho, December 7 to 8, 2019

December 7 to 8, 2019 · NWS PIH · 2 events in 2 counties and zones

Heavy snow was reported in the Sun Valley region as well as the Centennial Mountains and Island Park area.

Where it happened

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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The toll

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.

What happened

The episode as NWS PIH wrote it up.

Heavy snow was reported in the Sun Valley region as well as the Centennial Mountains and Island Park area.

The radar

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

Open the radar archive at this moment

Event by event

2 heavy snow. Local standard time, as filed.

Heavy Snow, Centennial Mountains-Island Park

When
December 7, 8:00 AM MST to December 8, 11:00 AM MST
Where
Centennial Mountains-Island Park forecast zone
Reported by
Public
Coordinates
44.091, -111.680 (the zone’s center; the record gives no point)

Ten inches of snow was reported by the public in Island Park with 12 inches estimated at the White Elephant SNOTEL site.

Heavy Snow, Sun Valley Region

When
December 7, 8:00 AM MST to December 8, 10:00 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)

The following SNOTEL snow amounts were estimated: Dollarhide Summit 10 inches, Galena 12 inches, Galena Summit 12 inches, Hyndman 9 inches, and Lost Wood Divide 16 inches.

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 2019Every state in 2019This day in weather historyWarnings in Idaho, December 2019

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 2026-09-30. Each event’s entry at NCEI: 868219, 868220.