Cornell, IA Weather Forecast
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Cornell Weather Forecast
| TODAY | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C |
| POP: 70% | POP: 50% | POP: 30% | POP: 20% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 329 AM CDT Sun Sep 06 2026 

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Issued: 317 AM CDT Sun Sep 6 2026
Key Messages
- Areas of patchy fog are possible through mid morning mainly near and east of I-29.
- Thunderstorms develop by mid morning, continuing through the late afternoon. An isolated stronger storm could produce ping pong ball size hail and 60-65 mph wind gusts.
- Higher risks for locally heavy rain develop by early afternoon Sunday, with potential for pockets of 2-4" of rain and localized amounts to 6". Localized flash flooding is possible into early evening.
- A shifting pattern may bring higher ...
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