State forecast for S.D.

Today...Mostly sunny northeast...Partly sunny southwest. Slight chance of thunderstorms far west. Highs in the mid 70s to lower 80s.

Tonight...Increasing clouds west to east. Showers developing northwest...With a chance of showers southwest and central. Isolated thunderstorms. Lows in the upper 40s to mid 50s.

Wednesday...Mostly cloudy and cooler. Showers and thunderstorms likely east. Chance of showers and isolated thunderstorms west. Highs in the mid 60s to lower 70s...With some mid 70s far southeast.

Thursday...Partly to mostly cloudy. Slight chance of showers or thunderstorms most areas during the day...And in the northwest at night. Lows from the mid 40s southwest...To the mid 50s southeast. Highs in the upper 60s to mid 70s.

Friday...Partly cloudy. A slight chance of thunderstorms far west during the day...Then statewide at night. Lows in the 50s. Highs 75 to 85.

Saturday...Partly to mostly cloudy. Slight chance of thunderstorms. Lows from the lower 50s far west...To the lower 60s far southeast. Highs in the 70s to around 80.