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St. Augustine School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | |  |  |  | | | | |
| Chance of Showers | Clear | Sunny | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Showers Likely | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 50% | POP: 80% | POP: 40% | POP: 50% | POP: 60% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 323 AM EDT Sun Sep 13 2026 
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Issued: 333 PM EDT Sun Sep 13 2026
Key Messages
- Potential for a few showers to develop this afternoon.
- A cooler air mass settles over the area tonight through Monday night. Tonight will feature to coolest night, with overnight lows falling into the 40s.
- Unsettled weather returns Tuesday and lingers into late week. Tuesday will feature a warmer more humid day helping to set the stage for thundestorms chances as a slow moving front arrives.
Discussion
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A split structure to the baroclinic zone exists across the Great Lakes region wit...