State forecast for S.D.

Today...Sunny...Becoming windy and unseasonably warm southeast. Partly cloudy becoming mostly cloudy west and north with a chance of showers and a few thunderstorms by afternoon. Highs from the 60s northwest to 90 to 95 southeast.

Tonight...Mostly cloudy with a chance of showers west and north. Increasing clouds with isolated thunderstorms southeast. Windy and turning cooler. Lows from near 30 northwest to around 50 southeast.

Thursday...Mostly cloudy and cool. Highs in the upper 40s west and north to the mid 50s southeast.

Thursday night...Decreasing clouds. Lows in the lower to mid 30s.

Friday...Increasing clouds with a chance of showers north and west by afternoon. Highs in the 50s.

Saturday...Mostly cloudy. Slight chance of showers west. Lows in the lower to mid 30s. Highs in the lower 50s northeast to the lower 60s southwest plains.

Sunday...Partly cloudy. Lows in the lower to mid 30s. Highs in the upper 50s northeast to the upper 60s southwest.