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St. Clair School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | |  |  |  |  |  | | | |
| Mostly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny | Clearing | Sunny |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C |
| POP: 100% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 508 PM CDT Mon Sep 28 2026 
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Issued: 400 PM CDT Mon Sep 28 2026
Key Messages
- Wet weather for Tuesday.
- Heavy rain threat for Tuesday night into Thursday has shifted south into Iowa.
- Seasonable temperatures remain in place over the next 7 days.
Discussion
... Issued at 400 PM CDT Mon Sep 28 2026
The morning fog (a rare pure radiational fog to impact the core of the Twin Cities urban heat island) has burned off, but as seen with the 12z MPX sounding, the low level moisture that led to the fog is trapped beneath a stout inversion around h85, which means that fog sim...