Sioux Falls, S.D. – Drivers in Sioux Falls could face flooded streets and slowed commutes Thursday as heavy thunderstorms move through eastern South Dakota. The National Weather Service warns that urban flooding and low-lying road impacts remain the top hazards into Thursday night.
According to the National Weather Service in Sioux Falls, scattered storms will strengthen Thursday afternoon with the potential for locally heavy rain. The highest concern is along the I-29 and I-90 corridors where runoff may pool quickly on roadways, especially in areas with poor drainage.
Rainfall totals could exceed an inch in some spots, and storm cells may produce downpours strong enough to reduce visibility. Travel across Minnehaha and Lincoln counties could slow significantly during the evening commute. Small stream flooding remains possible, and brief spin-up funnels cannot be ruled out.
Storm chances continue into Thursday night, then ease Friday with cooler, mostly dry conditions expected into the weekend. Residents should monitor local alerts and avoid driving through water-covered roads. Officials recommend charging mobile devices and securing outdoor items before storms arrive.
Drier air builds in by Friday evening, and skies clear into Saturday with temperatures climbing back into the upper 70s. Sunday and Monday bring calmer conditions with sunshine returning before a modest warming trend early next week.
Thunderstorm risks could redevelop by midweek, so residents should stay updated on the latest advisories.
Five-Day Forecast for Sioux Falls, S.D.
- Thursday: Showers and storms likely, high near 77. Locally heavy rainfall possible.
- Friday: Chance of showers early, high near 71. Clearing late.
- Saturday: Partly sunny, high near 78. Calm winds.
- Sunday: Mostly sunny, high near 81. Dry conditions.
- Monday: Sunny, high near 83. Warm and quiet.
