State forecast for S.D.

Today...Mostly sunny...Except partly cloudy far north. Chance of late afternoon thunderstorms southwest...With a slight chance of late afternmo/ Thunderstorms west central to north central. Becoming windy west. Highs mainly in the 90s...With a few upper 80s far northwest and parts of east central...And around 100 southwest into south central.

Tonight...Partly cloudy...Except becoming mostly clear west. Chance of thunderstorms except northwest and far southeast. Lows in the 60s...Except upper 50s far northwest.

Friday...Partly cloudy. Chance of thunderstorms...Mainly early parts of east central...And then much of state during then evening. Highs from the upper 80s north through east central...To the lower and mid 90s south and west.

Saturday...Hot. Humid east. Clear to partly cloudy. Chance of thunderstorms west in the evening. Windy west and central. Lows 65 to 70. Highs from the lower 90s far east...To 100 to 107 west.

Sunday...Partly cloudy...Becoming mostly cloudy much of east in the evening. Slight chance of morning thunderstorms northeast... Then a chance of afternoon and evening thunderstorms east. Windy. Hot and humid east. Lows 65 to 70 west...And lower to mid 70s central and east. Highs from near 80 northwest...To the mid 90s southeast.

Monday...Partly cloudy and not as warm. Lows from the mid 50s northwest to the mid 60s southeast. Highs in the lower to mid 80s.