State forecast for S.D.

Winter weather advisory southwest to central through early monday morning...

Winter weather advisory southeast quarter tonight and monday morning...

Tonight...Considerably cloudy. Chance of snow extreme north... Otherwise snow spreading across the state from west to east. Lows 15 to 25...Except upper 20s extreme southeast.

Columbus day...Becoming partly cloudy west. Mainly cloudy east. Snow east to southwest...Slight chance of snow north central to northwest. Light rain and snow ending extreme east in the afternoon. Highs in the 30s.

Monday night...Partly to mostly cloudy west. Becoming mostly clear east. Slight chance of light snow southwest after midnight. Lows in the 20s.

Tuesday...Mostly cloudy with a chance of rain or snow. Windy northwest quarter. Highs 35 to 45.

Wednesday...Mostly cloudy. Chance of rain or snow...Primarily rain in the afternoon. Lows mid 20s to lower 30s. Highs 35 to 45...Except 50 to 55 southwest.

Thursday...Partly cloudy west...Mostly cloudy east. Chance of rain east. Lows upper 20s to mid 30s. Highs lower 40s to lower 50s.

Friday...Partly cloudy...Except mostly cloudy southeast. Then becoming mostly clear statewide friday night. Slight chance of rain northeast to extreme east central...Perhaps mixed with snow. Lows 25 to 35. Highs lower 40s to lower 50s.