Sioux Falls, SD (KELO AM) - Thunderstorms are expected to develop mid to late Sunday afternoon, and become more numerous in the early evening. Some severe storms are possible.
The primary threats with these storms will be hail up to walnut size and damaging wind gusts to 60 mph. An isolated tornado and locally heavy rainfall are also possible. Thunderstorms will diminish from west to east after midnight.
Any persons with outdoor activities planned during the afternoon and evening hours should keep up with the latest weather forecasts and developments.
Labor Day looks to be less humid and pleasant with highs in the 70’s.