Weather Forecast for
Zip Code 57751 Keystone, SD

Tonight: Mostly cloudy, with a low around 50. Calm wind.

Thursday: A 50 percent chance of showers and thunderstorms, mainly after 9am. Cloudy, with a high near 59. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 26 mph.

Thursday Night: A 50 percent chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 52. South wind 5 to 9 mph, with gusts as high as 25 mph.

Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 28 mph.

Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 61. South wind around 11 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Southwest wind around 10 mph, with gusts as high as 29 mph.

Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.

Sunday: Sunny, with a high near 82.

Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 56.

Monday: Mostly sunny, with a high near 77.

Monday Night: A slight chance of showers. Mostly clear, with a low around 53.

Tuesday: Sunny, with a high near 81.

Tuesday Night: Mostly clear, with a low around 58.

Wednesday: A slight chance of showers and thunderstorms. Sunny, with a high near 84.

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