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Hardin Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | |  |  | | |  |  |
| Chance of Showers | Chance of T-Storm | Showers | Showers | Chance of Showers | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny |
| Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C |
| POP: 20% | POP: 90% | POP: 80% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 847 AM CDT Tue Sep 29 2026 
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Issued: 547 AM CDT Tue Sep 29 2026
Key Messages
- Widespread rainfall potential increases this afternoon, continuing through Thursday. The heaviest rainfall is favored across northeast Iowa into southwest Wisconsin where the potential for 2+" of rainfall is 40-60%. Localized amounts of 3-4+" are possible.
- High temperatures will remain seasonal in the 60s to 70s.
Discussion
... Issued at 1230 AM CDT Tue Sep 29 2026
Today - Thursday: Widespread Rainfall
An upper level low is expected to develop across the Desert Southwest this morning aft...