| NWS Forecast for: Sully County Issued by: National Weather Service Aberdeen, SD Last Update: 507 PM CDT Sat Aug 22 2026 |  |
| Tonight: Partly cloudy this evening, then becoming mostly cloudy. Lows around 60. East winds 10 to 15 mph with gusts up to 25 mph. Sunday: Partly sunny with a 20 percent chance of thunderstorms. Highs in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of thunderstorms. Humid with lows in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Monday: Partly sunny. Humid with highs in the upper 80s. East winds 5 to 10 mph, becoming northeast in the afternoon. Monday Night: Partly cloudy. A slight chance of thunderstorms in the evening. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. Tuesday: Partly sunny. Highs in the mid 80s. Tuesday Night Through Wednesday Night: Mostly clear. Lows in the upper 50s. Highs in the lower 80s. Thursday: Partly sunny. Highs in the lower 80s. Thursday Night: Partly cloudy. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows around 60. Chance of rain 30 percent. Friday: Partly sunny with a 20 percent chance of thunderstorms. Highs in the mid 80s. Friday Night: Partly cloudy. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of rain 40 percent. Saturday: Partly sunny. Highs in the mid 80s. | |
| Zone Forecast: Sully County | |
Visit your local NWS office at: https://www.weather.gov/abr |