| NWS Forecast for: Sioux County Issued by: National Weather Service Sioux Falls, SD Last Update: 929 AM CST Sun Jan 11 2026 | |
| Rest Of Today: Mostly sunny. Highs in the upper 30s. Southwest winds 10 to 15 mph. Tonight: 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. Lows in the mid 30s. West winds 10 to 15 mph. Tuesday: Mostly sunny. Highs in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Tuesday Night: Mostly cloudy. Cooler with lows in the lower 20s. Wednesday: Mostly sunny. Much cooler with highs in the lower 30s. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 20. Thursday: Mostly cloudy with a slight chance of snow in the morning, then partly sunny with a chance of snow in the afternoon. Highs around 40. Chance of snow 30 percent. Thursday Night: Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Friday: Mostly cloudy with a 50 percent chance of snow. Breezy with highs in the lower 30s. Temperature falling into the mid 20s in the afternoon. Friday Night: Mostly cloudy. Much colder with lows around 10 above. Saturday: Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs around 20. | |
| Zone Forecast: Sioux County | |
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