Treynor, IA Weather Forecast
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| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C | Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 438 AM CST Sun Nov 08 2026 

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Issued: 445 AM CST Sun Nov 8 2026
Key Messages
- Dry conditions persist through the end of the upcoming week.
- Expect high temperatures to be mainly in the 50s and 60s with low temperatures in the 30s and 40s.
Discussion
... Issued at 1007 PM CST Sat Nov 7 2026
A rather benign weather pattern holds through the forecast period. Currently, a shortwave trough is swinging across the Great Lakes region. This shortwave is sending a weak cold front south through the area. Other than broken high clouds and winds shifting to the north, little s...
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