State forecast for S.D.

Today...Becoming mostly sunny west. Patchy areas of light drizzle early southeast...Otherwise decreasing clouds east. Highs in the mid 60s east to the mid 70s west.

Tonight...Mostly clear west...Becoming mostly clear east with areas of fog late. Lows in the mid 40s to around 50.

Thursday...Partly cloudy. A chance of afternoon thunderstorms in the black hills...And late night in the south central. Highs in the mid 70s east to the mid 80s west.

Friday...Partly cloudy. A chance of morning thunderstorms south central and southeast...Then a chance of afternoon thunderstorms over all but the southeast...With a chance of thunderstorms statewide during the night. Lows in the mid to upper 50s. Highs in the upper 70s to mid 80s.

Saturday...Partly to mostly cloudy. A chance of thunderstorms west and south during the day...Ending over all but far southeast late evening. Lows in the lower to mid 50s. Highs in the mid 70s to around 80.

Sunday...Partly cloudy. A chance of morning thunderstorms west...Spreading into north during the afternoon. Lows in the lower to mid 50s. Highs in the mid 70s to lower 80s.

Monday...Partly cloudy. A chance of afternoon thunderstorms west through northeast. Lows in the mid 50s to lower 60s. Highs in the upper 70s to mid 80s.