State forecast for South Dakota

Today...Mostly sunny west and south...Partly cloudy with a chance of afternoon showers and thunderstorms northeast. Highs from the lower to mid 70s far east...To the lower 80s southwest.

Tonight...A chance of evening showers and thunderstorms far northeast...Otherwise clear to partly cloudy. Lows 45 to 55.

Saturday...Partly cloudy. A chance for thunderstorms southwest. Highs 75 to 85...Except a few lower 70s far east.

Saturday night...Partly cloudy. A chance for thunderstorms west. Lows 45 to 50 east...In the 50s west.

Extended forecast...

Sunday...Partly cloudy. A slight chance for thunderstorms west. Highs in the 70s east...75 to 85 west.

Monday...Partly cloudy. A chance for thunderstorms west and south. Lows 50 to 60...With a few upper 40s far northeast. Highs from the 70s east to the 80s west.

Tuesday...Partly cloudy. A chance for thunderstorms west. Lows in the 50s. Highs from the 70s northeast...To the 80s west and far south.