Winter Storm, Big and Little Wood River Region
- When
- February 6, 9:30 AM MST to February 7, 12:00 PM MST
- Where
- Big and Little Wood River Region forecast zone
- Reported by
- TRAINED SPOTTER
Winter Storm in Idaho, February 6 to 7, 1999
A winter storm brought widespread heavy snow to the mountains of Eastern Idaho. Elevations above 6000 feet in the area including Sun Valley, the Stanley Basin to Island Park and the Teton Basin, reported 8 to 13 inches accumulation.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $40,000
- Crop damage
- None recorded
- Events
- 6
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 winter storm brought widespread heavy snow to the mountains of Eastern Idaho. Elevations above 6000 feet in the area including Sun Valley, the Stanley Basin to Island Park and the Teton Basin, reported 8 to 13 inches accumulation. Lower elevations in this area reported 6 to 8 inches accumulation. The highest accumulation reported was 13 inches at Ketchum. Other communties reporting notable accumulation were Sun Valley with 9 inches, Spencer with 10 inches, Island Park with 9 inches and Arco with 6 inches. Numerous state highways were closed during the storm from blowing and drifting snow as sustained wind speeds reached 30 to 40 mph. Poor visibilities caused numerous minor vehicle accidents. The mountains of Southeast Idaho also reported heavy snow with accumulation of 6 to 7 inches at locations like Soda Springs and Malad.
Event by event
6 winter storm. Local standard time, as filed.
Winter Storm, Caribou Highlands
- When
- February 6, 9:30 AM MST to February 7, 12:00 PM MST
- Where
- Caribou Highlands forecast zone
- Reported by
- TRAINED SPOTTER
Winter Storm, Lost River / Pahsimeroi
- When
- February 6, 9:30 AM MST to February 7, 12:00 PM MST
- Where
- Lost River / Pahsimeroi forecast zone
- Reported by
- TRAINED SPOTTER
Winter Storm, Sawtooth Mountains
- When
- February 6, 9:30 AM MST to February 7, 12:00 PM MST
- Where
- Sawtooth Mountains forecast zone
- Reported by
- TRAINED SPOTTER
Winter Storm, South Central Highlands
- When
- February 6, 9:30 AM MST to February 7, 12:00 PM MST
- Where
- South Central Highlands forecast zone
- Reported by
- TRAINED SPOTTER
Winter Storm, Upper Snake Highlands
- When
- February 6, 9:30 AM MST to February 7, 12:00 PM MST
- Where
- Upper Snake Highlands forecast zone
- Property damage
- $40,000
- Reported by
- TRAINED SPOTTER
What these are
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Avalanche in Colorado, February 6, 1999
- Avalanche in California, February 6, 1999
- Tornado in Arkansas, February 6, 1999
- Hail and Damaging Winds in Oklahoma, February 6, 1999
- Flash Flooding in Missouri, February 6 to 7, 1999
- Flash Flooding and Hail in Oklahoma, February 6, 1999
- High Wind in Nevada, February 6, 1999
- Hail and Damaging Winds in Texas, February 6 to 11, 1999
- High Wind in California, February 6 to 7, 1999
- High Wind in Nevada, February 6, 1999
- Tornado in Arkansas, February 6, 1999
- Flash Flood and Damaging Winds in Arkansas, February 6, 1999
More
Every storm in Idaho in 1999Every state in 1999This day in weather historyWarnings in Idaho, February 1999
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: 5689277, 5689278, 5689279, 5689280, 5689281, 5689282.