Sioux Falls, South Dakota – Showers and thunderstorms will increase across the region by Sunday evening, with the potential for stronger storms overnight that could impact travel and bring localized heavy rain into early Monday.
According to the National Weather Service in Sioux Falls, storm chances will climb to around 70% Sunday evening, with the greatest concern developing after 6 p.m. and continuing overnight. While widespread severe weather is not expected, isolated storms could produce wind gusts up to 60 mph and hail, especially across southeast South Dakota and northwest Iowa.
Cities including Sioux Falls, Yankton, and Brookings may experience periods of steady rain, with locally heavier downpours possible into Monday. Major routes such as Interstate 29 and Interstate 90 could see reduced visibility and water-covered roads during heavier વરસાદ bursts, though overall flooding risk remains low.
Storm chances increase further Monday, with an 80% likelihood of rain and embedded thunderstorms through the afternoon. Breezy conditions may also develop, adding to travel concerns for high-profile vehicles.
Residents should monitor conditions Sunday night, secure outdoor items, and be prepared for changing weather. Avoid driving through standing water and allow extra time for travel during heavier rain.
Rain and storm activity may linger into early next week, with additional updates expected as conditions evolve.
