State forecast for S.D.

Today...Partly cloudy west. Mostly cloudy east in the morning...Becoming partly cloudy in the afternoon. A chance of showers southeast in the morning...Then isolated thundershowers in the southwest and south central during the afternoon. Highs in the mid 60s to lower 70s.

Tonight...Partly cloudy. A slight chance of showers southwest early. Lows around 40 west to the lower 50s extreme southeast.

Tuesday...Clear in the west to partly cloudy east. A slight chance of thunderstorms southeast in the evening. Highs in the 70s.

Wednesday...Clear to partly cloudy. Lows mainly in the 40s. Highs in the mid 70s to lower 80s.

Thursday...Partly cloudy. A slight chance of thunderstorms north during the day...Then statewide at night. Lows in the upper 40s to lower 50s. Highs in the upper 70s to lower 80s.

Friday...Clear to partly cloudy with a slight chance of thunderstorms. Lows in the upper 40s to mid 50s. Highs around 70 northeast to near 80 southwest.