State forecast for S.D.

Tonight...Partly cloudy. A chance of thunderstorms west this evening and statewide late. Lows in the upper 50s to mid 60s.

Monday...Partly to mostly cloudy with a chance of thunderstorms. Highs in the 80s except 70s far northwest.

Monday night...Partly to mostly cloudy. A chance of thunderstorms west and south. Lows in the 50s.

Tuesday...Partly to mostly sunny. A chance of thunderstorms far west. Highs in the 70s to lower 80s.

Wednesday...Partly cloudy. A chance of thunderstorms west and north during the day and statewide at night. Lows in the upper 40s to mid 50s. Highs in the 70s.

Thursday...Partly to mostly cloudy. A chance of thunderstorms west and far northeast. Lows in the upper 40s to mid 50s. Highs in the 70s.

Friday...Partly cloudy. A slight chance of thunderstorms far west and far northeast during the day...Then statewide at night. Lows in the 50s. Highs in the upper 70s to mid 80s.