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City of Winona, MinnesotaWinona, MN Weather Forecast
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Winona Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | |  | |  | | | |  |
| Chance of Showers | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C |
| POP: 20% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1052 PM CDT Mon Sep 21 2026 
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Issued: 1243 AM CDT Tue Sep 22 2026
Key Messages
- Staying cooler through the week with daytime highs in the 60s and overnight lows from the upper 30s to low 50s.
- Mostly dry through the week with highest precipitation chances remaining in central Minnesota Wednesday night into Thursday. More widespread precipitation chances possible later in the forecast period, this weekend into early next week.
Discussion
... Issued at 1238 AM CDT Tue Sep 22 2026
Cooler & Mostly Dry Through Midweek:
An area of cyclonic flow vertically-stacked over the ...