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Vienna Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | |  |  | |  | | | | |
| Chance of Showers | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 90% | POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 407 PM CDT Sat Sep 26 2026 
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Instant definitions for any meteorological term.
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Issued: 139 PM CDT Sat Sep 26 2026
Key Messages
- Patchy fog of 3 to 5 miles over northeastern SD/west central MN today to expand to south central SD tonight into Sunday morning with visibility down to 2 miles or less.
- Rain late Sunday night into Monday over portions of central SD will expand to northeastern SD Monday night. This area will exit across northeastern SD/west central MN late Monday night and slowly end west to east during the day Tuesday.
- There is a 50-80% chance of 0.75" or more rain over north central SD, mainly north...