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Marcor, IL Weather Forecast
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Marcor Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  | |  | | | | |  | |
| Chance of T-Storm | Patchy Fog | Clearing | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy |
| Lo: 75°FLo: 24°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 706 PM CDT Fri Sep 04 2026 
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Issued: 835 PM CDT Fri Sep 4 2026
Key Messages
- Chance of scattered showers and thunderstorms tonight.
- Gradually turning cooler and less humid this weekend, though remaining seasonably warm.
- Moderate to high swim risk expected late Saturday into early Sunday during the final weekend of beach season.
Discussion
... Issued at 314 PM CDT Fri Sep 4 2026
Breezy east-northeasterly winds this morning in the wake of the outflow boundary have significantly impacted the ability to heat up through early afternoon. This has particularly been tru...