This map will show current Severe Weather Alerts for the state selected. Maps will not appear for areas which do not currently have any active Severe Weather Alerts. For a comprehensive forecast for your area, please visit the National Weather Service website at www.weather.gov.

South Dakota Severe Weather Alerts

Severe Thunderstorm Warning South DakotaState Weather Alerts

Severe Thunderstorm Warning
The National Weather Service In Sioux Falls Has Issued A * Severe Thunderstorm Warning For... Southeastern Bon Homme County In Southeastern South Dakota... Southwestern Yankton County In Southeastern South Dakota... * Until 745 Pm Cdt. * At 658 Pm Cdt, A Severe Thunderstorm Was Located Near Tabor, Or ...Read More.
Effective: July 15, 2019 at 5:58pmExpires: July 15, 2019 at 6:45pmTarget Area: Bon Homme; Yankton

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Beadle

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Bon Homme

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Bon Homme

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Bon Homme; Charles Mix

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Brookings

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Brookings; Hamlin

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Brookings; Moody

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Charles Mix

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Davison; Hanson

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Hutchinson; Yankton

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Minnehaha

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Minnehaha

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Minnehaha; Moody

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Minnehaha; Moody

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Minnehaha; Moody

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Moody

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Moody

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Sanborn

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Union

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Union

Flood Warning
...the Flood Warning Continues For The Following Rivers In Nebraska...south Dakota...iowa... Missouri River Near Greenwood Missouri River Near Verdel Missouri River At Niobrara Missouri River At Springfield ...Read More.
Effective: July 15, 2019 at 7:44amExpires: July 16, 2019 at 11:44amTarget Area: Yankton

Flood Warning
...the National Weather Service In Sioux Falls Has Issued A Flood Warning For The Following Rivers In Iowa...south Dakota... Big Sioux River Above Hawarden .the Following River Forecasts Include Forecast Precipitation Through Tonight. Any Additional Future Rains Could Affect The Crest Forecasts. ...Read More.
Effective: July 15, 2019 at 7:33amExpires: July 20, 2019 at 9:00pmTarget Area: Union

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... James River Near Stratford .the Following River Forecasts Include Forecast Precipitation Through The Next 24 Hours. Any Additional Future Precipitation Could Affect The Forecasts. ...Read More.
Effective: July 10, 2019 at 8:32amExpires: July 16, 2019 at 12:30pmTarget Area: Brown; Spink

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... James River At Columbia James River At Ashton .the Following River Forecasts Include Forecast Precipitation Through The Next 24 Hours. Any Additional Future Precipitation Could Affect ...Read More.
Effective: July 9, 2019 at 8:51amExpires: July 16, 2019 at 10:51amTarget Area: Brown

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... James River At Columbia James River At Ashton .the Following River Forecasts Include Forecast Precipitation Through The Next 24 Hours. Any Additional Future Precipitation Could Affect ...Read More.
Effective: July 9, 2019 at 8:51amExpires: July 16, 2019 at 10:51amTarget Area: Spink

 

Severe Weather Alerts in South DakotaSouth Dakota Frequent Weather Alerts:
Drought, Severe Thunderstorms, Flooding, Winter Weather

South Dakota is one of the least populated states in the country, and due to its size, it has some of the swingiest weather patterns you can find in the entire country. As a result, both excessive precipitation and not enough precipitation cause problems for the state at different times.

Flooding and Thunderstorms

When it starts to warm up as winter ends, the snow in the mountains starts to melt and it can cause flooding in the foothills below. In 2010, there was over 2 feet of snow in the mountains, and when it melted in March, it caused severe flooding throughout the eastern part of the state.

From May to September, severe thunderstorms can be quite a common occurrence. The worst thunderstorms will often bring hail and, in some cases, tornadoes (not as frequently as the Tornado Alley states, however).

Drought

Certain parts of the state are drier than others, and increasing temperatures are causing droughts to become more frequent. In 2012, the state got less than 3 inches of rain during the summer (when the average per year is usually 15 to 25).

 

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