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City of Saint Mary, MOSt. Mary, MO Weather Forecast
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St. Mary Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | |  |  | | | | | | |
| Partly Cloudy | Sunny | Mostly Clear | Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear |
| Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C |
| POP: 40% | POP: 100% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Mon Oct 12 2026 
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Issued: 1041 PM CDT Sun Oct 11 2026
Key Messages
- Near-record warmth for mid October is expected through Tuesday.
- A wobbling front will lead to multiple rounds of showers and thunderstorms Tuesday night through Thursday. Locally heavy rain is possible.
- A shift toward much cooler weather is expected this weekend.
Aviation
/00Z TAFS THROUGH 06Z TUESDAY/... Issued at 1019 PM CDT Sun Oct 11 2026
Confidence in fog impacts tonight has decreased significantly with the development and arrival of mid and high clouds. Mid- level clouds are forec...