State forecast for S.D.

Wind chill advisory east north of interstate 90 this morning...

Winter weather advisory northwest this morning...

Winter weather advisory lower missouri and james valley areas through early evening...

Today...Mostly clear early far east...Otherwise cloudy with snow spreading from northwest to southeast. Highs mainly in the single digits to lower teens...But near 30 extreme southwest.

Tonight...Snow gradually tapering off southeast. Becoming partly cloudy west through north with patchy fog late northwest. Lows from 5 below to 10 below zero northeast...To near 10 above extreme southwest.

Saturday...Mostly cloudy early southeast...Otherwise becoming mostly clear. Highs from the teens northeast...To the lower 40s far southwest.

Sunday...Mostly clear...Becoming mostly cloudy west through north in the evening. Patchy fog early northwest. Lows from 5 below to 10 below zero northeast...To near 15 far southwest. Highs from the teens northeast...To around 50 southwest.

Monday...Partly cloudy south to mostly cloudy north. Lows from 5 to 10 above northeast...To the mid 20s southwest. Highs from the upper 20s northeast to the lower to mid 50s southwest.

Tuesday...Partly cloudy. Lows from the teens northeast to the lower to mid 20s south and west. Highs from the 30s northeast to near 50 southwest.