| NWS Forecast for: Sioux County Issued by: National Weather Service Sioux Falls, SD Last Update: 559 AM CDT Wed Jul 1 2026 |  |
Today: Partly sunny. A chance of showers and thunderstorms this morning, then a chance of sprinkles this afternoon. Highs around 90. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Tonight: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Thursday Night: A chance of thunderstorms. Showers with lows in the upper 60s. Southeast winds around 10 mph. Chance of rain 80 percent. Friday: Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 100 in the afternoon. Friday Night: Showers and thunderstorms likely in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. Heat index values in the upper 90s early in the evening. Independence Day: Mostly sunny. Highs in the upper 80s. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent. Sunday: Partly sunny in the morning, then clearing. Highs in the upper 80s. Sunday Night: Mostly clear. Lows in the mid 60s. Monday: Mostly sunny. Highs in the upper 80s. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Tuesday: Mostly sunny. Highs in the lower 90s. | |
| Zone Forecast: Sioux County | |
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