State forecast for S.D.

Today...Mostly sunny and mild. Highs from the lower 30s northeast...To around 60 southwest.

Tonight...Mostly clear. Lows from 10 to 15 northeast...To 25 to 30 southeast.

Thursday...Increasing clouds west and central during the day and across the east at night. A slight chance of light snow north and west and night. Highs from the upper 20s far northeast...To the mid 50s far southeast.

Friday...Mostly cloudy. Colder. A chance of light snow or flurries west and south. Lows from around zero far northeast...To the lower 20s far southwest. Highs from the single digits northeast to the mid 20s far southwest.

Saturday...Mostly cloudy. A chance of light snow west and south. Lows from around 10 below northeast...To 10 above far southwest. Highs near zero to 5 above northeast...To the lower 20s far southwest.

Sunday...Partly to mostly cloudy. A chance of light snow south west and south. Lows from 10 below to 15 below northeast to 5 to 10 above southwest. Highs from the single digits northeast to near 20 far southwest.