State forecast for S.D.

Today...Mostly cloudy. Scattered showers west. Numerous showers and thunderstorms east. Highs around 50 far northwest to upper 70s extreme southeast.

Tonight...Showers ending with decreasing clouds west. Mostly cloudy with a chance of showers east...Decreasing late. Lows in the upper 30s far west to the lower 50s southeast.

Tuesday...Decreasing clouds. A slight chance of morning showers far southeast. Highs around 60 northeast to near 70 southwest.

Wednesday...Partly cloudy west. Becoming mostly cloudy east. A chance of showers north and east. Lows mainly in the 40s. Highs in the mid 60s to lower 70s.

Thursday...Mostly clear. Lows in the 40s. Highs in the 70s except upper 60s northeast.

Friday...Clear to partly cloudy. A slight chance of thunderstorms east...Mainly on friday night. Lows in the 40s to lower 50s. Highs in the mid 70s to lower 80s.