State forecast for S.D.

Today...Partly cloudy. Chance of thunderstorms by afternoon... Mainly southeast. Highs in the mid 80s to near 90.

Tonight...Partly cloudy east to mostly cloudy west. Chance of thunderstorms west to far south. Lows mostly 55 to 60.

Thursday...Mostly cloudy with a chance of thunderstorms...Except thunderstorms likely west in the afternoon. Highs from 70 to 75 far west to the mid 80s southeast.

Thursday night...Showers and thunderstorms likely central with a chance of thunderstorms elsewhere. Lows from 50 to 55 west to around 60 southeast.

Friday...Mostly cloudy with a chance of showers or thunderstorms... Mainly west to south. Highs near 80 north and east to the lower 70s far southwest.

Saturday...Partly sunny. Slight chance of showers and thunderstorms south. Lows in the 50s. Highs in the upper 70s to mid 80s.

Sunday...Partly cloudy. A slight chance of thunderstorms extreme southeast. Lows from the lower 50s west to near 60 east. Highs around 80 southeast to near 90 west.