Weather World
Brown County, SD Official WebsiteBrown County, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Brown County Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY |
 |  |  |  |  | | | |  | | |
| Mostly Cloudy | Partly Cloudy | Chance of Showers | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Hi: 70°FHi: 21°C Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C Lo: 41°FLo: 5°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 331 AM CDT Fri Oct 02 2026 
Brown County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Brown County Weather Map
Brown County Quick Facts
Brown County Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1211 AM CDT Fri Oct 2 2026
Key Messages
- Temperatures will run near to slightly above normal for the weekend and into next week.
- There is a 20-50 percent chance of showers Saturday, otherwise mostly dry conditions are expected through the next 7 days.
Discussion
... Issued at 1211 AM CDT Fri Oct 2 2026
We`ll see a zonal to northwesterly upper level flow regime for the next several days, which is a rather more common flow regime for this time of year. That translates into a mostly dry pattern with back and forth transitions bet...