State forecast for South Dakota

Today...Mostly cloudy and windy west with a chance of showers. Partly sunny and windy east with a chance of afternoon thunderstorms. Some storms may be severe. Highs from around 50 northwest to the 80s southeast.

Tonight...A chance of thunderstorms far east. Some severe storms possible. Otherwise partly cloudy and cooler. Lows from the 30s north and west to the 40s southeast.

Wednesday...Mostly cloudy west. Partly cloudy east. Highs from the upper 50s northwest to near 70 southeast.

Wednesday night...Partly to cloudy. A chance of rain showers west...Some snow showers possible northwest. A chance of showers and thunderstorms central and east. Lows 35 to 45 west...45 to 55 east.

Extended forecast...

Thursday...Partly to mostly cloudy. Chance of showers north and west. Highs from the lower 40s northwest to the upper 60s southeast.

Friday...Partly to mostly cloudy. Lows from the 20s northwest to the upper 30s southeast. Highs 45 to 55.

Saturday...Partly cloudy and cool. Lows 20 to 30. Highs from the upper 30s west to the 50s central and east.