Weather Forecast for
Union County, SD


This Afternoon: Mostly sunny, with a high near 86. South wind around 15 mph, with gusts as high as 30 mph.

Tonight: A slight chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy during the evening, then mostly clear overnight, with a low around 57. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Memorial Day: Mostly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday: Sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night: Mostly clear, with a low around 58. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday: Mostly sunny, with a high near 86.

Wednesday Night: Partly cloudy, with a low around 59.

Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83.

Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

Friday Night: Mostly cloudy, with a low around 58.

Saturday: A 30 percent chance of showers. Partly sunny, with a high near 81.

Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 55.

Sunday: Partly sunny, with a high near 78.

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