Weather WorldMount Vernon, IA Weather Forecast
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Mount Vernon Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy |
| Hi: 45°FHi: 7°C | Lo: 21°FLo: -6°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 51°FHi: 11°C | Lo: 30°FLo: -1°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 726 AM CST Sat Nov 14 2026 
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Issued: 517 AM CST Sat Nov 14 2026
Key Messages
- No hazards are expected in the week ahead as cooler than normal weather gives way to a gradual warming trend.
Aviation
/12Z TAFS THROUGH 12Z SUNDAY/... Issued at 517 AM CST Sat Nov 14 2026
VFR conditions will continue throughout the TAF period, thanks to an area of high pressure that will maintain largely clear skies through tonight. Winds will be light and variable for most hours, with north winds somewhat more common.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... IA...None. IL...