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Delavan Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | |  |  | | | |  |  |  |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 65°FLo: 18°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 100% | POP: 70% | POP: 50% | POP: 50% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 548 PM CDT Thu Sep 17 2026 
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Issued: 624 PM CDT Thu Sep 17 2026
Key Messages
- Widespread steady soaking rain is expected Friday into early Saturday.
- The highest amounts will be near I-90, where heavy rain and flooding are possible, mainly Friday evening.
- Looking ahead into next week, temperature remain near to slightly below normal, with a few small chances for rain.
Discussion
... Issued at 157 PM CDT Thu Sep 17 2026
TONIGHT THROUGH FRIDAY NIGHT...The main concern is the potential for heavy rain and flooding across southern Minnesota. Latest guidance supports th...