State forecast for South Dakota

Today...Partly cloudy west and north...Mostly sunny southeast. Highs from the lower 60s northeast to the mid 70s south.

Tonight...Becoming mostly cloudy west and north with a chance of showers and thunderstorms. Partly cloudy southeast with a slight chance of thunderstorms late. Lows in the lower 40s to lower 50s.

Thursday...Partly cloudy west...Mostly cloudy east. A chance of morning thunderstorms central. Chance of thunderstorms east during the day. Highs in the mid 60s to mid 70s.

Friday...Partly to mostly cloudy. Chance of thunderstorms southeast during the afternoon. Lows in the mid 30s north to mid 40s far southeast. Highs from the upper 50s northeast to the lower 70s southwest.

Saturday...Mostly cloudy. Chance of thunderstorms central and east during the night...Statewide on saturday. Lows in the lower 40s to lower 50s. Highs in the lower 60s to lower 70s. Sunday...Partly to mostly cloudy. Chance of thunderstorms central and east during the night...A chance of morning thunderstorms southeast. Lows from the lower 30s northwest to the mid 40s southeast. Highs in the mid 50s to lower 60s.

Monday...Mostly cloudy west...Increasing cloudiness east. Chance of showers over all but the southeast. Lows in the 30s. Highs in the 50s.