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Cannon Falls Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Increasing Clouds | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Chance of Showers | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Clouds | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 59°FLo: 15°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 100% | POP: 100% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 AM CDT Fri Sep 18 2026 
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Issued: 231 AM CDT Fri Sep 18 2026
Key Messages
- Widespread steady soaking rain is Today.
- Heavy rain and localized flooding threat greatest near the Iowa border this evening.
- Seasonable temperatures with mainly dry conditions expected for the Sunday through next work week.
Discussion
... Issued at 231 AM CDT Fri Sep 18 2026
Looking at the h5 analysis early this morning, a ridge of mid-summer strength (600 dm!) is centered over the TX/OK/AR/LA region. Around the periphery of this ridge is a shortwave of southwest monsoon origin moving ...