State forecast for S.D.

Winter storm watch and blizzard watch west and central wednesday night through thursday....

Winter storm watch northeast thursday...

Tonight...Mostly cloudy with a chance of showers and thunderstorms. Lows from the 30s far west to the mid 50s far southeast.

Wednesday...Becoming windy west. Rain and thunderstorms east...Rain central and rain or snow west. Highs from the upper 30s far northwest to the 60s southeast.

Wednesday night...Showers and thunderstorms east. Rain and snow west and central changing to snow. Very windy west and central. Lows from the 20s far west...To the 40s extreme east.

Thursday...Windy and cold with snow west ending during the night. Rain changing to snow east. Highs from the 30s west to the 40s east.

Friday...Snow likely east with a chance of rain...Ending during the night. Partly cloudy west with a slight chance of light snow far west. Windy east. Lows in the 20s to lower 30s. Highs from the 30s east to the lower 40s west.

Saturday...Partly cloudy west and mostly cloudy east. Breezy east. A chance of snow showers far northwest. Lows 15 to 25. Highs from the 30s east to the mid 40s far southwest.

Sunday...Partly cloudy. Slight chance of rain or snow west and south. Lows 20 to 25. Highs from the 30s east to the mid 40s far southwest.