| NWS Forecast for: Sioux Falls, Foss Field SD Issued by: National Weather Service Sioux Falls, SD Last Update: 2:41 pm CDT May 19, 2026 | |
Tonight: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Wednesday: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. Light and variable wind becoming south southeast 5 to 10 mph in the morning. Wednesday Night: Mostly cloudy, with a low around 41. South southeast wind 5 to 10 mph. Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 44. East southeast wind 5 to 15 mph, with gusts as high as 20 mph. Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 61. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. Saturday: Mostly cloudy, with a high near 70. Saturday Night: Partly cloudy, with a low around 47. Sunday: Mostly sunny, with a high near 81. Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 53. Memorial Day: Mostly sunny, with a high near 86. Monday Night: Mostly clear, with a low around 56. Tuesday: Mostly sunny, with a high near 87. | |
| Sioux Falls, Foss Field SD 43.58°N 96.73°W (Elev. 1447 ft) | |
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