Weather WorldMount Vernon, IA Weather Forecast
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Mount Vernon Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  | | | | | |  |  | |
| Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Hi: 55°FHi: 13°C Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C Lo: 31°FLo: -1°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Lo: 41°FLo: 5°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 PM CST Sat Nov 14 2026 
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Issued: 1127 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
/18Z TAFS THROUGH 18Z SUNDAY/... Issued at 1117 AM CST Sat Nov 14 2026
High pressure is forecast to sit across the region centered along the Mississippi River Valley through the TAF period. This will bring continued clear skies/unlimited ceilings and variable wind direction with speeds under 4 knots through the forecast period. A few high cloud may drift across the area...