Sioux Falls, S.D. – Severe thunderstorms are expected to sweep across eastern South Dakota overnight, bringing heavy rain, lightning, and strong winds that could impact early Saturday travel in Sioux Falls and surrounding areas. The National Weather Service has a severe thunderstorm watch in effect until 6 a.m. Saturday.
According to the National Weather Service in Sioux Falls, storms will continue developing overnight, with the strongest cells carrying the risk of damaging winds and isolated hail. Rainfall totals will generally stay under a quarter-inch but could climb higher in spots hit by repeated downpours.
Saturday brings a second round of storm potential, with scattered thunderstorms expected between midday and late afternoon. A few could again reach severe levels, fueled by highs in the low 90s and gusty east winds.
Drivers along I-29 and I-90 should plan for wet pavement, brief visibility drops, and the possibility of debris from wind gusts. Residents are advised to secure outdoor items and charge devices in case of outages. Conditions should improve by Sunday evening, with sunshine and calmer weather dominating the start of next week.
Storm chances taper off by Sunday night, and sunny skies return Monday with highs near 90.
Five Day Forecast for Sioux Falls, SD
- Saturday: Storms possible early and again midday, high near 91. Low 71.
- Sunday: Scattered storms, high 92. Low 69.
- Monday: Sunny, high 89. Low 67.
- Tuesday: Mostly sunny, high 84. Low 62.
- Wednesday: Mostly clear, high 81. Low 61.
