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

Flood Warning South DakotaState Weather Alerts

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Beadle

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Brookings

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Brookings; Moody

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Davison; Hanson

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Hutchinson; Yankton

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Sanborn

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 27, 2020 at 10:42amExpires: March 28, 2020 at 2:42pmTarget Area: Yankton

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 28, 2020 at 9:00pmExpires: March 28, 2020 at 2:42pmTarget Area: Minnehaha

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 29, 2020 at 9:00amExpires: March 28, 2020 at 2:42pmTarget Area: Minnehaha; Moody

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 29, 2020 at 6:00pmExpires: March 28, 2020 at 2:42pmTarget Area: Lincoln; Minnehaha

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 30, 2020 at 3:00amExpires: March 28, 2020 at 2:42pmTarget Area: Union

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 30, 2020 at 6:00pmExpires: March 28, 2020 at 2:42pmTarget Area: Union

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 31, 2020 at 2:00pmExpires: March 28, 2020 at 2:42pmTarget Area: Clay

Flood Warning
...the Flood Warning Is Cancelled For The Following Rivers In South Dakota... Big Sioux River Near Estelline ...the Flood Warning Continues For The Following Rivers In South Dakota...iowa... James River At Huron ...Read More.
Effective: March 31, 2020 at 6:00pmExpires: March 28, 2020 at 2:42pmTarget Area: Turner

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... Turtle Creek At Redfield .the Following River Forecasts Include Forecast Precipitation Through The Next 24 Hours. Any Additional Future Precipitation Could Affect The Forecasts. ...Read More.
Effective: March 27, 2020 at 8:58amExpires: March 28, 2020 at 12:57pmTarget Area: Spink

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... Big Sioux River Near Castlewood .the Following River Forecasts Include Forecast Precipitation Through The Next 24 Hours. Any Additional Future Precipitation Could Affect The Forecasts. ...Read More.
Effective: March 27, 2020 at 8:46amExpires: March 28, 2020 at 12:46pmTarget Area: Hamlin

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... James River At Columbia James River Near Stratford James River At Ashton .the Following River Forecasts Include Forecast Precipitation Through ...Read More.
Effective: March 27, 2020 at 8:39amExpires: March 28, 2020 at 12:39pmTarget Area: Brown

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... James River At Columbia James River Near Stratford James River At Ashton .the Following River Forecasts Include Forecast Precipitation Through ...Read More.
Effective: March 27, 2020 at 8:39amExpires: March 28, 2020 at 12:39pmTarget Area: Brown; Spink

Flood Warning
...the Flood Warning Continues For The Following Rivers In South Dakota... James River At Columbia James River Near Stratford James River At Ashton .the Following River Forecasts Include Forecast Precipitation Through ...Read More.
Effective: March 27, 2020 at 8:39amExpires: March 28, 2020 at 12:39pmTarget 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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