State forecast for S.D.

Friday...Mostly cloudy with scattered showers and thunderstorms. Highs from the mid 60s west to the lower 80s far southeast.

Friday night... Mostly cloudy with thunderstorms likely south and west. Chance of thunderstorms elsewhere. Lows from the upper 40s west to the mid 60s far southeast.

Saturday...Mostly cloudy with a chance of thunderstorms...Most likely central and southeast during the day. Chance of showers or thunderstorms west at night. Lows near 50 west to the lower 60s southeast. Highs in the 60s...With some lower 70s far southeast.

Sunday...Partly to mostly cloudy. A slight chance of showers and thunderstorms mainly south and west. Lows from the upper 40s west to the upper 50s southeast. Highs 65 to 75.

Monday...Partly to mostly cloudy. A chance of thunderstorms. Lows from the upper 40s west to the upper 50s southeast. Highs in the upper 60s and lower 70s.

Tuesday...Becoming partly cloudy with a slight chance of thunderstorms west. Lows in the 50s. Highs in the 70s.