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City of Carthage, ILCarthage, IL Weather Forecast
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Carthage Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  |  |  |  | | |  | | |
| Chance of T-Storm | Patchy Fog | Patchy Fog | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 60°FLo: 16°C |
| POP: 50% | POP: 40% | POP: 40% | POP: 30% | POP: 30% | POP: 60% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 826 AM CDT Thu Sep 10 2026 
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Issued: 643 AM CDT Thu Sep 10 2026
Key Messages
- Post frontal regime and eventual incoming high pressure will provide fair and more seasonable weather through Friday.
- An active period will continue from the weekend through the beginning of the work week. Next chances for showers and storms are Saturday, followed by a second system late Sunday through Tuesday.
Aviation
/12Z TAFS THROUGH 12Z FRIDAY/... Issued at 643 AM CDT Thu Sep 10 2026
Largely VFR conditions were observed across the area early this morning, with some pockets of MVFR ...