SIOUX FALLS, S.D. (KELO) – Much colder air is on the way. Before the cold returns at the end of the week, we’ll have a warm overnight as lows fall to the 30s and 40s. West winds will increase at 10-20 ...

Tonight features increasing clouds as a trough approaches from our west. This trough will be responsible for the eventual development of an upper level low. Light snow showers will begin to form after ...

TUESDAY NIGHT: Becoming mostly cloudy; a shower possible. Low: 35 FORECAST SUMMARY Monday made seven straight days of highs in the 40s and 50s, so it's now officially a week-long January thaw. And it ...