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Threemile School, MO Weather Forecast
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Threemile School Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  | | | | | |  | | | |
| Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 70°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Hi: 75°FHi: 24°C Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C Lo: 39°FLo: 4°C | Lo: 41°FLo: 5°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 PM CDT Sat Oct 17 2026 
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Issued: 146 PM CDT Sat Oct 17 2026
Key Messages
- A Frost Advisory is in effect tonight across portions of southern Missouri and southern Illinois.
- A gradual warmup with dry coniditions is expected into the work week.
Aviation
/18Z TAFS THROUGH 00Z MONDAY/... Issued at 1237 PM CDT Sat Oct 17 2026
Light and variable surface winds continue this afternoon into tonight as a surface ridge axis slides sewd across the region. With these light winds and lows forecast in the mid 30s, steam fog along area rivers should develop tonight. While con...