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St. Simons School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  |  | |  |  | | |
| Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 PM EDT Mon Sep 21 2026 
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Issued: 734 PM EDT Mon Sep 21 2026
Key Messages
1) Cooler weather will prevail through the week. More showers will occur Tuesday night into Wednesday.
Discussion
... KEY MESSAGE 1)
Cooler airmass will continue to settle across the area tonight on a low level northeasterly flow. Patchy drizzle will occur in the cool damp air mass.
Mid level short wave will drop southeast from the Upper MS Valley and deepen and close off over the Ohio Valley on Wednesday. This will work to amplify an inverted surface trough along the western slopes of t...