| NWS Forecast for: Sioux County Issued by: National Weather Service Sioux Falls, SD Last Update: 724 PM CDT Fri Oct 16 2026 |  |
Tonight: Clear. Widespread frost. Cooler with lows around 30. Northwest winds 5 to 10 mph, becoming south after midnight. Saturday: Widespread frost in the morning. Sunny. Highs in the upper 50s. South winds 10 to 15 mph, increasing to around 20 mph in the afternoon. Saturday Night: Clear. Not as cool with lows in the lower 40s. South winds 15 to 20 mph. Sunday: Sunny. Highs in the lower 60s. South winds 15 to 20 mph. Sunday Night: Mostly clear. Lows in the lower 40s. South winds 5 to 10 mph. Monday: Mostly sunny. Highs in the lower 60s. Monday Night: Partly cloudy. Lows in the mid 40s. Tuesday: Sunny. Highs in the upper 60s. Tuesday Night: Partly cloudy. Lows in the lower 50s. Wednesday: Sunny. Highs in the lower 70s. Wednesday Night: Partly cloudy. Lows in the lower 50s. Thursday: Mostly sunny. Highs in the lower 70s. Thursday Night: Partly cloudy. Lows in the mid 50s. Friday: Partly sunny. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 30 percent. | |
| Zone Forecast: Sioux County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |