Severe Thunderstorms Expected Overnight

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lightning(Pexels.com)
Published: May. 29, 2022 at 7:40 PM CDT|Updated: May. 30, 2022 at 3:16 AM CDT
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SIOUX FALLS, S.D. (Dakota News Now) -- Severe thunderstorms are expected across the area through the nighttime hours tonight.

3:10 AM UPDATE: A TORNADO WARNING continues for the city of Marshall and Lyon county until 3:30 AM. The airport in Marshall reported a 66 mph wind gust at 3:05 AM. Also a HIGH WIND WARNING has been issued until 7 AM for Aurora, Bon Homme, Brule, Charles Mix, Davison, Douglas, Gregory, Hanson, Hutchinson and Yankton counties. This is thanks to a wake low developing behind the severe thunderstorms departing the region. Winds could gust as high as 70 mph in these areas.

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2:40 AM UPDATE: TORNADO WARNINGS continue across southeast Minnesota and northwest Iowa along the I-90 corridor. There may have been a possible tornado touchdown south of Luverne and also near the Canton area as potential debris was spotted on First Alert Live Doppler. Sirens sounded in and around the Sioux Falls area as the storms moved through. Other severe thunderstorms are tracking across northeast South Dakota near Sisseton. Severe storms should move out of the Dakota News Now area over the next hour or so.

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1:28 AM UPDATE: ANOTHER SEVERE THUNDERSTORM WARNING has been issued for Lincoln, Moody, Lake, Minnehaha, Miner, McCook and Brookings counties until 2 AM for 70 mph winds and 1″ hail. A wind gust to 78 mph was reported in Canova at 1:13 AM. Heads up in Sioux Falls, Madison, Dell Rapids, Colman, Hartford and the surrounding areas.

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1:26 AM UPDATE: A new SEVERE THUNDERSTORM WARNING has been issued for parts of Lincoln and Turner counties for half dollar size hail until 2 AM. This is heading towards the Sioux Falls area so heads up in Lennox, Chancellor, Tea and eventually Sioux Falls.

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12:54 AM UPDATE: Two new SEVERE THUNDERSTORM WARNINGS have been issued. The first one is for Bon Homme and Yankton counties for 60 mph winds and golf-ball size hail. A tornado possible tag is included within that warning. The second one is for Aurora, Davison, Hanson, Hutchinson, Lake, McCook, Miner and Sanborn counties for 60 mph winds . Both warnings go until 1:30 AM. Heads up in Yankton, Mitchell, Letcher, Bridgewater, Emery, Canistota, Salem, Howard and areas near there.

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12:35 AM UPDATE: Those of you in Yankton County will want to think about possibly heading to shelter in the next half hour or so. A TORNADO WARNING is in place just southwest of Yankton for parts of Cedar and Knox counties in Nebraska. The storm is showing radar indicated rotation and could also be capable of producing up to golf ball size hail.

Tornado Warning Southwest of Yankton
Tornado Warning Southwest of Yankton(Dakota News Now)

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12:27 AM UPDATE: Several new SEVERE THUNDERSTORM WARNINGS have been issued... including Clay County west of Vermillion, Deuel and Grant counties near Clear Lake and for Beadle, Jerauld and Sanborn counties. An observation station reported a wind gust to 58 mph just east of Wessington Springs at 12:09 AM. Seek shelter if you are in Huron, Clear Lake, Milbank and areas northwest of Vermillion.

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12:10 AM UPDATE: A NEW SEVERE THUNDERSTORM WATCH has been issued until 8 AM for the counties in blue, which includes Huron, Brookings, Watertown, Marshall, Sisseton, Worthington, Sheldon, Spencer and Milbank. A SEVERE THUNDERSTORM WARNING is in place for portions of Miner and Sanborn counties, along with Charles Mix, Douglas and Gregory counties. More warnings continue in northeast Nebraska, and all storms are moving northeast between 40-50 mph.

Severe Thunderstorm Watch until 8 AM Monday
Severe Thunderstorm Watch until 8 AM Monday(Dakota News Now)

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11:10 PM UPDATE: Storms are developing along the I-90 corridor in between Mitchell and Chamberlain with the main line tracking east-northeast. Warnings are up for a cell in Brule county and multiple warnings with the line just over the border in Nebraska, though a warning is in place that includes Mellette, Todd and Tripp counties.

11:09 PM Radar Update
11:09 PM Radar Update(Dakota News Now)

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10:27 PM UPDATE: A SEVERE THUNDERSTORM WARNING has been issued for southeastern Brule and northern Charles Mix counties until 11:15 PM. Hail to quarter size is possible with this storm as it moves slowly northeast at 15 mph.

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9:34 PM UPDATE: A SEVERE THUNDERSTORM WARNING has been issued for southeastern Lyman county until 10 PM. Hail to quarter size is possible with this storm as it moves slowly northeast.

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8:30 PM UPDATE: Storms are beginning to develop in Nebraska. One cell is out ahead of a line of storms. Movement is north to northeast between 40-50 mph. More storms are expected to develop over the next few hours.

8:30 PM Radar Update
8:30 PM Radar Update(Dakota News Now)

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7:37 PM UPDATE: A TORNADO WATCH has been issued for southeast South Dakota and northeast Nebraska until 2 AM. This watch includes Sioux Falls, Mitchell, Yankton, Madison, Lake Andes and Wagner. The strongest storms within this watch could be capable of a few tornadoes, hail to 3″ in diameter and damaging wind gusts up to 80 mph.

Tornado Watch in place for the red counties until 2 AM Monday.
Tornado Watch in place for the red counties until 2 AM Monday.(Dakota News Now)

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