State forecast for S.D.

Today...Mostly sunny west. Partly cloudy northeast. Mostly cloudy southeast with light showers ending this morning far southeast...Then partly cloudy this afternoon. Highs in the mid 60s northeast to the mid 70s southwest.

Tonight...Clear to partly cloudy. Lows in the 40s.

Friday...Partly to mostly sunny. Highs near 70 northeast to the lower 80s southwest.

Saturday...Clear to partly cloudy. Lows in the upper 40s to mid 50s. Highs in the upper 70s to mid 80s.

Sunday...Mostly clear west to partly cloudy east. A chance of thunderstorms northeast. Lows in the mid 50s to lower 60s. Highs in the 80s east to the lower 90s west.

Monday...Partly cloudy. A chance of thunderstorms at night west and far southeast. Lows in the upper 50s to lower 60s. Highs in the lower 80s far east to the lower 90s central and west.