DeWitt, IL Weather Forecast
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DeWitt Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of Showers | Cloudy | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Showers Likely | Showers Likely | Showers |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C |
| POP: 20% | POP: 30% | POP: 50% | POP: 50% | POP: 40% | POP: 50% | POP: 60% | POP: 60% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1057 PM CDT Thu Oct 29 2026 

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Issued: 651 PM CDT Thu Oct 29 2026
Key Messages
- Beneficial rain showers will return Friday afternoon through the weekend as an active weather pattern sets up. Isolated pockets of 0.50 to 1.00 inch of rain are possible, though most areas will see under half an inch.
- Mild temperatures in the 70s and periodic rain chances will continue through midweek next week. A sharp cooldown arrives late next week, dropping high temperatures into the 40s and 50s.
Discussion
... Issued at 100 PM CDT Thu Oct 29 2026
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