| NWS Forecast for: Union County Issued by: National Weather Service Sioux Falls, SD Last Update: 828 AM CDT Sun Jul 13 2025 |  |
Rest Of Today: Sunny. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Tonight: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 60s. South winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 20 percent. Monday: Sunny with highs around 90. South winds 5 to 10 mph. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. South winds 10 to 15 mph. Tuesday: Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. Tuesday Night: A chance of thunderstorms. Showers likely. Lows in the mid 60s. Chance of rain 60 percent. Wednesday: Partly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 30 percent. Wednesday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent. Thursday: Mostly sunny. Highs in the mid 70s. Thursday Night: Partly cloudy. Lows in the upper 50s. Friday: Mostly sunny. Highs around 80. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 40 percent. Saturday: Mostly sunny. Highs in the lower 80s. | |
| Zone Forecast: Union County | |
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