A tornado warning has been issued until 1:30 a.m. in and around Yankton.
The National Weather Service has issued a tornado watch for Sioux Falls and much of southeastern South Dakota until 2 a.m. Monday morning.
Another round of strong to severe thunderstorms, including strong winds with gusts as high as 70 mph, are expected, according to NWS.
While exact locations details are uncertain, it appears that storms will be capable of producing hail up to tennis ball size, and strong winds, as severe threats.
However, a few tornadoes are are also possible.
South Dakota counties included in the watch:
This Includes The Cities Of Alcester, Allen, Arnolds Park,
Battle Creek, Beresford, Canton, Centerville, Chancellor,
Cherokee, Elk Point, Fulda, George, Harrisburg, Hartley,
Hawarden, Hendricks, Holstein, Hull, Hurley, Ida Grove, Inwood,
Irene, Ivanhoe, Jackson, Jefferson, Lake Benton, Lakefield,
Larchwood, Le Mars, Lennox, Luverne, Marion, Marshall, Milford,
Mountain Lake, North Sioux City, Orange City, Parker, Pipestone,
Ponca, Rock Rapids, Rock Valley, Sanborn, Sheldon, Sibley,
Sioux Center, Sioux City, Sioux Falls, Slayton, South Sioux City,
Spencer, Spirit Lake, Storm Lake, Tea, Tyler, Vermillion, Viborg,
Wakefield, Windom, Worthington, And Yankton.
Forecast for the remainder of Memorial Day weekend Sunday night
Showers and thunderstorms are likely, mainly before 3 a.m. Some of the storms could be severe. The chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Memorial Day
A chance of showers and thunderstorms, mainly after 1 p.m. Some of the storms could be severe. Mostly sunny skies, with a high near 83. Breezy, with a southeast wind 10 to 15 mph becoming south southwest 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, mainly before 1 a.m. Some of the storms could be severe. Partly cloudy, with a low around 56. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers before 1 pm. Partly sunny, with a high near 68. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 46. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
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