| NWS Forecast for: Sioux County Issued by: National Weather Service Sioux Falls, SD Last Update: 614 PM CST Sat Jan 10 2026 |  |
| Tonight: Clear, cold with lows around 13. Northwest winds 15 to 20 mph with gusts up to 30 mph. Sunday: Sunny. Highs in the upper 30s. Southwest winds 10 to 15 mph. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the upper 20s. West winds 5 to 10 mph. Monday: Mostly sunny. Not as cool with highs in the upper 40s. West winds 5 to 10 mph. Monday Night: Mostly cloudy. Near steady temperature in the upper 30s. Temperature rising to around 40 after midnight. West winds 10 to 15 mph. Tuesday: Mostly sunny. Highs in the lower 50s. Tuesday Night: Mostly cloudy. Cooler with lows in the mid 20s. Wednesday: Mostly sunny. Much cooler with highs in the lower 30s. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. Thursday: Partly sunny. A slight chance of rain and snow in the afternoon. Not as cool with highs in the lower 40s. Chance of precipitation 20 percent. Thursday Night: A slight chance of rain in the evening. Mostly cloudy with a slight chance of snow. Breezy with lows in the upper 20s. Chance of precipitation 20 percent. Friday: Mostly cloudy with a 50 percent chance of snow. Breezy, cooler. Near steady temperature in the upper 20s. Temperature falling into the upper 20s in the afternoon. Friday Night: Mostly cloudy and breezy. Much colder with lows around 10 above. Saturday: Partly sunny. Highs in the mid 20s. | |
| Zone Forecast: Sioux County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |