Weather Forecast for
Dewey County, SD


Today: A chance of sprinkles before 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 9 to 13 mph.

Tonight: Mostly clear, with a low around 33. Northwest wind 5 to 10 mph becoming southeast in the evening.

Wednesday: Sunny, with a high near 69. Breezy, with a south wind 13 to 18 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 37 mph.

Wednesday Night: Partly cloudy, with a low around 42. Breezy, with a south southeast wind 18 to 26 mph, with gusts as high as 37 mph.

Thursday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 69. Breezy, with a south southeast wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 42. Breezy, with a south southeast wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: A chance of showers. Partly sunny, with a high near 66. South southeast wind 9 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.

Friday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 42. North northeast wind 7 to 9 mph becoming south southwest after midnight. Chance of precipitation is 20%.

Saturday: Mostly sunny, with a high near 75. South wind 7 to 11 mph.

Saturday Night: Partly cloudy, with a low around 47.

Sunday: Sunny, with a high near 82.

Sunday Night: Mostly clear, with a low around 51.

Memorial Day: Sunny, with a high near 86. Breezy.

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