| NWS Forecast for: Walworth County Issued by: National Weather Service Aberdeen, SD Last Update: 637 PM CDT Mon Aug 17 2026 |  |
Tonight: Mostly cloudy. A chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail this evening. Lows in the upper 50s. North winds 5 to 10 mph with gusts up to 35 mph, becoming east after midnight. Chance of rain 40 percent. Tuesday: Partly sunny. Highs around 80. Northeast winds 5 to 10 mph, becoming north in the afternoon. Tuesday Night: Partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph, becoming southeast after midnight. Wednesday: Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 30 percent. Wednesday Night: Mostly clear. A slight chance of thunderstorms in the evening. Lows in the upper 50s. South winds around 10 mph. Chance of rain 20 percent. Thursday Through Friday Night: Mostly clear. Highs in the mid 80s. Lows in the upper 50s. Saturday: Partly sunny. Highs around 80. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of thunderstorms. Lows in the upper 50s. Sunday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. Sunday Night: Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 60s. Monday: Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Walworth County | |
Visit your local NWS office at: https://www.weather.gov/abr |