| NWS Forecast for: 16 Miles SW Union Center SD Issued by: National Weather Service Rapid City, SD Last Update: 12:32 am MDT Apr 20, 2026 | |
| Today: Sunny, with a high near 79. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph. Tonight: Mostly clear, with a low around 42. North wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph. Tuesday: Sunny, with a high near 85. Light and variable wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 25 mph. Tuesday Night: Partly cloudy, with a low around 49. East wind 6 to 11 mph, with gusts as high as 20 mph. Wednesday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 89. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Wednesday Night: A chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 46. Breezy, with a south wind 14 to 21 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 40%. Thursday: Rain likely. Partly sunny, with a high near 57. Very windy, with a northwest wind 23 to 33 mph increasing to 36 to 46 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 60%. Thursday Night: A chance of showers before midnight. Mostly cloudy, with a low around 32. Very windy, with a northwest wind 44 to 49 mph decreasing to 30 to 35 mph after midnight. Winds could gust as high as 65 mph. Friday: A slight chance of snow showers before 3pm, then a slight chance of rain showers. Partly sunny, with a high near 51. Windy. Friday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers. Partly cloudy, with a low around 28. Windy. Saturday: A slight chance of rain and snow showers. Mostly sunny, with a high near 51. Breezy. Saturday Night: A slight chance of rain and snow showers. Partly cloudy, with a low around 27. Blustery. Sunday: A slight chance of rain and snow showers. Mostly sunny, with a high near 53. | |
| 16 Miles SW Union Center SD 44.39°N 102.9°W (Elev. 2707 ft) | |
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