| NWS Forecast for: Gregory County Issued by: National Weather Service Sioux Falls, SD Last Update: 1014 AM CDT Mon Jun 29 2026 |  |
Rest Of Today: Sunny. Highs in the upper 80s. West winds 15 to 20 mph with gusts up to 30 mph. Tonight: Mostly clear. Cooler. Less humid with lows in the lower 60s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Tuesday: Sunny. Highs in the upper 80s. West winds 5 to 10 mph. Tuesday Night: Partly cloudy in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. Wednesday: Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 20 percent. Wednesday Night: Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 20 percent. Thursday: Partly sunny in the morning, then sunny with a chance of showers in the afternoon. Highs around 90. Chance of rain 30 percent. Thursday Night: Showers likely with a chance of thunderstorms in the evening. Lows in the mid 60s. Chance of rain 60 percent. Friday: Mostly sunny. Highs in the upper 80s. Friday Night: Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Chance of rain 30 percent. Independence Day: Mostly sunny. Highs in the mid 80s. Saturday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 40 percent. Sunday: Mostly sunny. Highs in the lower 80s. | |
| Zone Forecast: Gregory County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |