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Potsdam Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Partly Cloudy | Chance of Showers | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 100% | POP: 100% | POP: 40% | POP: 50% | POP: 50% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 436 PM CDT Sat Sep 12 2026 
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Issued: 128 PM CDT Sat Sep 12 2026
Key Messages
- Slight chance (15-25%) for very light showers Sunday.
- Widespread rain is a near certainty (95%) Monday into Tuesday with the potential for localized flooding. If exact details come together (<5%), a severe storm could occur Monday.
- Periodic rain potential continues Wednesday through Friday. While this is favored to focus to the south of our area, some areas could see multiple rounds of rain with an attendant risk for flooding issues as the week goes on.
Discussion
... Issued at 124 PM CDT Sat Sep 12 2026
Spotty light showers ...