State forecast for S.D.

Winter storm warning thursday mainly north of interstate 90...

Winter weather advisory south of interstate 90...Except far southwest...

Today...Snow...Mainly north. And a mix of freezing rain...Sleet or snow changing to snow south. Windy with areas of blowing snow...Especially north through northeast. Steady to slowly falling temperatures...From the single digits north...To the lower to mid 20s south.

Tonight...Areas of blowing snow with a chance of evening snow northeast. Slight chance of light snow in the evening northwest... Then snow becoming likely after midnight. Mostly cloudy. Lows from around 10 below northeast to the teens far southwest.

Friday...Mostly cloudy with a chance of light snow. Highs from 5 to 15 north...To the 20s far south...And around 30 far southwest.

Saturday...Mostly cloudy early west through south with a slight chance for snow early far southeast...Otherwise becoming mostly clear. Lows from the single digits below zero northeast...To the teens southwest. Highs from the teens northeast...To the lower 40s far southwest.

Sunday...Mostly clear...Becoming mostly cloudy west through north in the evening. Lows from the single digits below zero northeast... To near 15 far southwest. Highs from the 20s northeast to the 40s southwest.

Monday...Partly cloudy south to mostly cloudy north. A slight chance of light snow northwest. Lows from the single digits northeast to near 20 far southwest. Highs from the upper 20s northeast to near 50 far southwest.