Marcelline, IL Weather Forecast
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Marcelline Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 243 PM CDT Tue Sep 22 2026 

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Issued: 152 PM CDT Tue Sep 22 2026
Key Messages
- Hazardous weather is not anticipated through the forecast period as temperatures slowly warm.
Aviation
/18Z TAFS THROUGH 00Z THURSDAY/... Issued at 1227 PM CDT Tue Sep 22 2026
Impacts are expected at least through early this evening at the local TAF sites. A slow moving weather system is currently passing through the Midwest, providing ample low-level moisture that has yielded widespread stratus. This stratus has mostly been in MVFR range, though intermittent pockets of IFR are expected...
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