Weather Story

Red Flag Warning Today

Slight Risk of Severe Storms Today (9/11/26)

Severe Weather Threats - Tornado

Severe Weather Threat - Large Hail

Over north central South Dakota, winds this morning will become northwest, with gusts increasing to around 35-40 mph. Similar conditions will develop across central and south central South Dakota this afternoon. The winds, along with dry fuels and low afternoon relative humidity, will increase the Grassland Fire Danger index to high to very high. A Red Flag Warning is in effect for Jones, Lyman and Buffalo counties until 7 PM CDT this evening. Avoid outdoor burning and report any fires to local authorities.

There is a Slight risk (level 2 out of 5) for severe storms over eastern SD into west central MN. Main hazards will be 1-2+ inch hail and 60-70 mph thunderstorm wind gusts. Tornadoes cannot be ruled out either. Peak timing for storms looks to be 4 to 9 PM CDT.

There is a low probability threat for a tornado or two over far eastern South Dakota into west central Minnesota late this afternoon through early this evening. Peak timing for storms capable of producing a tornado looks to be 4 to 9 PM CDT.

In addition to a damaging thunderstorm wind gust potential of 60-70 mph, if severe thunderstorms form this afternoon into this evening, they would be capable of making large hail of 1 to 2+ inches in diameter (within the hatched area).