State forecast for S.D.

Today...Partly cloudy. Isolated thunderstorms west and central early this morning. Highs in the 80s east to the mid 90s southwest.

Tonight...Clear to partly cloudy. Lows in the upper 50s to mid 60s.

Sunday...Partly cloudy. Highs from the mid 80s far east to around 100 west.

Monday...Partly cloudy. A chance of afternoon thunderstorms west...Spreading into the central during the night. Lows in the mid 60s to lower 70s. Highs in the lower 90s east to around 100 central.

Tuesday...Partly to mostly cloudy. A chance of afternoon thunderstorms west and north...Spreading into the southeast during the night. Lows in the mid 60s to around 70. Highs in the mid 80s to lower 90s.

Wednesday...Partly cloudy with a chance of thunderstorms during the day. Lows in the mid to upper 60s. Highs in the mid 80s to around 90.