Blizzard, Corson
- When
- April 1, 9:00 AM CST to 1:00 PM CST
- Where
- Corson forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.709, -101.197 (the zone’s center; the record gives no point)
Two to seven inches of snow combined with strong north winds generated blizzard conditions during the morning and early afternoon hours across western Corson and western Dewey counties. Some schools were closed early as many roads became difficult 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.
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.
The episode as NWS ABR wrote it up.
Two to seven inches of snow combined with strong north winds generated blizzard conditions during the morning and early afternoon hours across western Corson and western Dewey counties. Some schools were closed early as many roads became difficult to travel. Some snowfall amounts included, 2 inches at Eagle Butte, 4 inches at Isabel, and 7 inches at Mcintosh.
The national radar mosaic for the moment the first event began.
2 blizzard. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 1999Every state in 1999This day in weather historyWarnings in South Dakota, April 1999
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: 5692194, 5692195.