| NWS Forecast for: 3 Miles NNW Porcupine SD Issued by: National Weather Service Rapid City, SD Last Update: 3:49 am MDT Jul 18, 2025 | |
| Today: Sunny, with a high near 30. South wind 20 to 25 km/h becoming north in the afternoon. Winds could gust as high as 35 km/h. Tonight: A 50 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 17. East wind 15 to 25 km/h, with gusts as high as 35 km/h. Saturday: A 50 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 29. Southeast wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 18. Southeast wind 20 to 25 km/h, with gusts as high as 40 km/h. Sunday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 35. South wind 20 to 25 km/h becoming northwest in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 20%. Sunday Night: Mostly clear, with a low around 18. East wind 15 to 20 km/h becoming south after midnight. Winds could gust as high as 30 km/h. Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 34. South wind 15 to 20 km/h becoming north in the afternoon. Winds could gust as high as 30 km/h. Monday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 18. East wind 15 to 20 km/h becoming southwest after midnight. Winds could gust as high as 30 km/h. Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 33. Tuesday Night: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 17. Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 30. Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 17. Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 32. | |
| 3 Miles NNW Porcupine SD 43.31°N 102.37°W (Elev. 3015 m) | |
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