Chadwick, IL Weather Forecast
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Chadwick Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Sunny |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 451 AM CDT Thu Sep 03 2026 

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Issued: 145 AM CDT Thu Sep 3 2026
Key Messages
- Impactful heat will continue across the area today and Friday. Heat indices look to be 100 to 110. The heat headlines may need to be extended into Friday (advisory) and Saturday (warning) depending upon how convection develops/evolves over the next 48 hours.
- Isolated severe storms are possible today through Saturday mainly north of I-80. The primary risk is damaging winds with hail a secondary risk.
- There is a daily risk of showers and storms, mainly along and north of I-80. While th...
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