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St Marys Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Mostly Sunny | Partly Cloudy | Rain | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Showers | Mostly Sunny | Clearing | Sunny | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C |
| POP: 90% | POP: 100% | POP: 60% | POP: 50% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 213 AM EDT Sat Oct 10 2026 
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Issued: 731 AM EDT Sat Oct 10 2026
Key Messages
1) The remnants of Isaias impact the area Sunday into Monday.
2) Showers possible late Tuesday into Wednesday with a chance of a thunderstorm as well.
Discussion
... .KEY MESSAGE 1... No major changes to the fcst regarding the remnants of Isaias.
The system will bring PWATS of around 2 inches to the area, and with the deep lift exhibited in model time heights, bands of locally heavy rain along with embedded tstms are expected. Timing is Sun, primarily in the afternoon, and Sun night. Som...