Winter Storm, Oglala Lakota
- When
- April 14, 12:00 PM MST to April 15, 9:00 AM MST
- Where
- Oglala Lakota forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 43.336, -102.552 (the zone’s center; the record gives no point)
Winter Storm in South Dakota, April 14 to 15, 2011
A strong storm moved across the Rockies and Central Plains, bringing rain and snow to western and south central South Dakota. The heaviest precipitation fell from southwestern into central South Dakota, where rain changed to snow during the afternoon and evening of the 14th.
Where it happened
Every event with a place to put it; 8 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 8
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 UNR wrote it up.
A strong storm moved across the Rockies and Central Plains, bringing rain and snow to western and south central South Dakota. The heaviest precipitation fell from southwestern into central South Dakota, where rain changed to snow during the afternoon and evening of the 14th. Snow continued during the night and into the morning of the 15th. Snowfall accumulations of six to 12 inches were common with locally higher amounts. Gusty northwest winds produced areas of blowing snow and reduced visibilities.
The radar
The national radar mosaic for the moment the first event began.
Event by event
8 winter storm. Local standard time, as filed.
Winter Storm, Ziebach
- When
- April 14, 3:00 PM MST to April 15, 11:00 AM MST
- Where
- Ziebach forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 44.980, -101.666 (the zone’s center; the record gives no point)
Winter Storm, Haakon
- When
- April 14, 3:00 PM MST to April 15, 11:00 AM MST
- Where
- Haakon forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 44.294, -101.540 (the zone’s center; the record gives no point)
Winter Storm, Jackson
- When
- April 14, 3:00 PM MST to April 15, 11:00 AM MST
- Where
- Jackson forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 43.694, -101.628 (the zone’s center; the record gives no point)
Winter Storm, Bennett
- When
- April 14, 4:00 PM MST to April 15, 11:00 AM MST
- Where
- Bennett forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 43.195, -101.664 (the zone’s center; the record gives no point)
Winter Storm, Mellette
- When
- April 14, 6:00 PM CST to April 15, 12:00 PM CST
- Where
- Mellette forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 43.581, -100.760 (the zone’s center; the record gives no point)
Winter Storm, Todd
- When
- April 14, 6:00 PM CST to April 15, 12:00 PM CST
- Where
- Todd forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 43.193, -100.718 (the zone’s center; the record gives no point)
Winter Storm, Tripp
- When
- April 14, 7:00 PM CST to April 15, 12:00 PM CST
- Where
- Tripp forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 43.346, -99.884 (the zone’s center; the record gives no point)
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
- Tornadoes and Hail in Arkansas, April 14 to 15, 2011
- Tornadoes and Hail in Oklahoma, April 14, 2011
- Tornadoes and Hail in Oklahoma, April 14, 2011
- Tornado and Hail in Texas, April 14, 2011
- Tornadoes and Hail in Arkansas, April 14, 2011
- Blizzard in Kansas, April 14 to 15, 2011
- Blizzard in Nebraska, April 14 to 15, 2011
- Tornadoes and Hail in Kansas, April 14, 2011
- High Wind in Kansas, April 14 to 15, 2011
- Hail and Lightning Strikes in Kansas, April 14, 2011
- Debris Flow in California, April 14, 2011
- High Wind in Kansas, April 14 to 16, 2011
More
Every storm in South Dakota in 2011Every state in 2011This day in weather historyWarnings in South Dakota, April 2011
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: 291822, 291819, 291820, 291823, 291825, 291826, 291835, 291836.