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St. Clair Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 | |  |  | | | |  |  | | | |
| Chance of Rain | Chance of Rain | Chance of Rain | Mostly Sunny | Chance of Rain | Rain | Chance of Rain | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 50% | POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 140 AM EST Mon Nov 02 2026 
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Issued: 1225 AM EST Mon Nov 2 2026
Key Messages
1) A weak mid level disturbance moving through the Ohio Valley will lead to occasional light shower activity today. More widespread rain is expected on Wednesday as a stronger upper level disturbance moves through the region.
2) An upper level trough will settle into the Great Lakes region late this week and over the weekend. This will lead to more seasonable temperatures and occasional chances for showers.
Discussion
... KEY MESSAGE 1) The mid level short wave will continue to push eas...