Sioux Falls, SD – Scattered showers and thunderstorms are expected to return across southeast South Dakota on Monday, with a risk for severe weather developing by the afternoon and evening hours.
According to the National Weather Service in Sioux Falls, storms are most likely between 3 p.m. and 9 p.m. Monday, with the earliest activity beginning as early as 2 p.m. and tapering off by around 10 p.m. The primary threat area includes locations north of Interstate 90, including Sioux Falls, Brookings, and nearby communities extending toward southwest Minnesota.
Forecasters say a few storms could become severe, with damaging wind gusts up to 70 mph and hail up to around quarter to golf ball size possible. While the tornado risk remains low, it is not completely zero and will be monitored throughout the day.
The greatest concern centers on travel and outdoor plans during the late afternoon and evening commute window, when storms are expected to be most active. Rapidly changing conditions, including sudden downpours and strong wind bursts, could lead to localized delays or hazards on area roadways.
Residents are encouraged to have multiple ways to receive weather warnings, including mobile alerts and NOAA Weather Radio, especially during peak storm hours.
If severe weather develops, officials advise moving indoors immediately and staying away from windows. Secure outdoor items ahead of storms to prevent wind-related damage.
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