Sioux Falls, SD – Summer-like warmth across parts of the northern Plains will give way to a noticeable autumn cooldown this week, with temperatures reaching as high as 88 degrees Sunday, October 11, before a cold front brings cooler conditions and increasing rain chances by Thursday.
According to the National Weather Service (NWS) in Sioux Falls, unusually warm weather will continue across much of the region Sunday, with lingering warmth over northwestern Iowa Monday before temperatures return to more seasonable levels.
Sunday Temperatures Could Reach 88 Degrees…