7-Day Zone Forecast for Brown County (Text-Only)
NWS Forecast for: Brown County
Issued by: National Weather Service Aberdeen, SD
Last Update: 737 PM CDT Thu Aug 13 2026
Print


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