| NWS Forecast for: Clay County Issued by: National Weather Service Sioux Falls, SD Last Update: 644 AM CDT Sun Aug 16 2026 |  |
Today: Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph. Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph in the evening, becoming light and variable. Monday: Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Monday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Tuesday: Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Northwest winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. Tuesday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Partly cloudy. Lows in the mid 50s. Thursday: Partly sunny. Highs in the mid 70s. Thursday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. Friday: Mostly sunny. Highs around 80. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Saturday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Clay County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |