| NWS Forecast for: Grenville SD Issued by: National Weather Service Aberdeen, SD Last Update: 7:01 am CDT Apr 11, 2026 |  |
| Today: A chance of showers, mainly before 11am. Patchy fog after 3pm. Otherwise, cloudy, with a high near 11. Breezy, with a south southeast wind 24 to 34 km/h, with gusts as high as 50 km/h. Chance of precipitation is 40%. Tonight: Areas of fog. Otherwise, mostly cloudy, with a low around 9. South wind 27 to 29 km/h, with gusts as high as 50 km/h. Sunday: A slight chance of showers before 7am. Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 22. Breezy, with a south southwest wind 27 to 32 km/h becoming west in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 10%. Sunday Night: Mostly clear, with a low around 6. West wind 13 to 23 km/h becoming northeast after midnight. Monday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 19. East wind 14 to 23 km/h. Chance of precipitation is 30%. Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 8. East northeast wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 30%. Tuesday: A chance of showers. Mostly cloudy, with a high near 17. East wind 11 to 21 km/h becoming north in the morning. Chance of precipitation is 40%. Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 6. North wind 11 to 18 km/h becoming west northwest after midnight. Chance of precipitation is 30%. Wednesday: A slight chance of showers. Mostly sunny, with a high near 19. West southwest wind 10 to 16 km/h. Chance of precipitation is 20%. Wednesday Night: Mostly clear, with a low around 8. Thursday: A slight chance of showers. Mostly sunny, with a high near 21. Chance of precipitation is 20%. Thursday Night: A chance of showers. Partly cloudy, with a low around 3. Chance of precipitation is 30%. Friday: A chance of rain and snow showers. Mostly cloudy, with a high near 7. Breezy. Chance of precipitation is 30%. | |
| Grenville SD 45.46°N 97.37°W (Elev. 1795 m) | |
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