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Keystone, SD 57751

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Change Units: °F  | °C

Detailed Forecast

Keystone, SD 57751

Tonight

8/29/2014

Lo: 55°

Mostly clear. Lows 47 to 53. North winds up to 5 mph shifting to the southwest after midnight.

Saturday

8/30/2014

Hi: 81°

Mostly sunny in the morning...then partly cloudy with a 40 percent chance of showers and thunderstorms in the afternoon. Highs 73 to 79. South winds 5 to 15 mph.

Lo: 56°

Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows 47 to 53. Northwest winds up to 10 mph.

Sunday

8/31/2014

Hi: 67°

Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs 59 to 65. Northwest winds 5 to 15 mph.

Lo: 49°

Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows 40 to 46. West winds up to 10 mph.

Monday

9/1/2014

Hi: 70°

Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs 62 to 68.

Lo: 50°

Partly cloudy with a 20 percent chance of rain showers and thunderstorms. Lows 40 to 46.

Tuesday

9/2/2014

Hi: 76°

Mostly sunny. Highs 67 to 73.

Lo: 54°

Clear. Lows 45 to 51.

Wednesday

9/3/2014

Hi: 80°

Mostly sunny. Highs 72 to 78.

Lo: 57°

Mostly clear. Lows 48 to 54.

Thursday

9/4/2014

Hi: 76°

Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 69 to 75.

Lo: 56°

Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 47 to 53.

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