| NWS Forecast for: Brown County Issued by: National Weather Service Aberdeen, SD Last Update: 737 PM CDT Thu Aug 13 2026 | |
| Tonight: Mostly cloudy. Lows in the lower 60s. East winds 5 to 10 mph. Friday: Partly sunny. Humid with highs in the upper 70s. East winds 10 to 15 mph with gusts up to 30 mph. Friday Night: Mostly cloudy. Humid with lows in the lower 60s. Southeast winds 5 to 10 mph. Gusts up to 25 mph in the evening. Saturday: Mostly cloudy in the morning, then partly sunny with a slight chance of thunderstorms in the afternoon. Humid with highs around 80. West winds 10 to 15 mph. Chance of rain 20 percent. Saturday Night: Partly cloudy. Lows in the upper 50s. North winds 10 to 15 mph. Sunday And Sunday Night: Mostly clear. Highs in the upper 70s. Lows in the mid 50s. Monday: Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. Monday Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 50 percent. Tuesday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. Tuesday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 50 percent. Wednesday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. Wednesday Night: Partly cloudy. A slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s. Chance of rain 20 percent. Thursday: Partly sunny with a 20 percent chance of showers. Highs in the upper 70s. | |
| Zone Forecast: Brown County | |
Visit your local NWS office at: https://www.weather.gov/abr |