State forecast for S.D.

Today...Partly to mostly cloudy. Chance of thunderstorms except dry far west. Windy east. Highs from the upper 70s northeast to near 90 southwest.

Tonight...Partly cloudy. Chance of thunderstorms north... Slight chance southeast. Lows from near 50 far west...To the upper 60s southeast.

Friday...Mostly sunny. Highs around 70 north to the lower 80s south.

Saturday...Clear to partly cloudy. Slight chance of thunderstorms west central to north during the night. Lows mainly in the 50s. Highs mainly in the 80s.

Sunday...Partly cloudy. Slight chance of thunderstorms. Lows from the the 50s west to the 60s east. Highs from the mid 70s northwest to the mid 80s southeast.

Monday...Partly to mostly cloudy with a chance of thunderstorms. Lows from the 40s west to the 50s east. Highs in the upper 60s to mid 70s.