DeWitt, IL Weather Forecast

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DeWitt, IL Weather Forecast

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DeWitt IL weather  - Clear - 62°F
Clear
62°F
Updated 2:06 am
Feels Like 60°F
Humidity 86%
Wind ESE 7 mph
Barometer  30.15 in
Dew Point 58°F
DeWitt IL weather  - Clear - 17°C
Clear
17°C
Updated 2:06 am
Feels Like 16°C
Humidity 86%
Wind ESE 11 km/h
Barometer  102.1 kPa
Dew Point 14°C

DeWitt Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
DeWitt, IL Weather - Rest Of Tonight Mostly Clear DeWitt, IL Weather - Tuesday Mostly Sunny DeWitt, IL Weather - Tuesday Night Partly Cloudy DeWitt, IL Weather - Wednesday Chance Of T-Storm DeWitt, IL Weather - Wednesday Night Chance Of T-Storm DeWitt, IL Weather - Thursday Chance Of Showers DeWitt, IL Weather - Thursday Night Mostly Clear DeWitt, IL Weather - Friday Mostly Clear DeWitt, IL Weather - Friday Night Mostly Clear DeWitt, IL Weather - Saturday Chance Of Showers DeWitt, IL Weather - Saturday Night Chance Of Showers DeWitt, IL Weather - Sunday Chance Of Showers
Mostly Clear Mostly Sunny Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Clear Mostly Clear Mostly Clear Chance of Showers Chance of Showers Chance of Showers
Lo: 60°FLo: 16°C Hi: 90°FHi: 32°C
Lo: 70°FLo: 21°C Hi: 89°FHi: 32°C
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Hi: 81°FHi: 27°C
Lo: 59°FLo: 15°C
Hi: 81°FHi: 27°C
Lo: 59°FLo: 15°C
Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
Hi: 85°FHi: 29°C
Lo: 65°FLo: 18°C
Hi: 85°FHi: 29°C
Lo: 65°FLo: 18°C
POP: 50% POP: 50% POP: 50% POP: 40% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 207 AM CDT Tue Sep 08 2026 DeWitt, IL Weather - WeatherWorld.com

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Issued: 156 AM CDT Tue Sep 8 2026

Key Messages

  • Summer heat and humidity return today and Wednesday. There is a 50-80% chance of heat indices greater than 95 degrees south of I-70 tomorrow afternoon.
  • Rain and thunderstorms move in tomorrow into Thursday morning, bringing a damaging wind risk and heavy rainfall. QPF shows 1-3 inches of rainfall south of I-72, with the greatest amounts near and south of I-70.

Discussion

... Issued at 156 AM CDT Tue Sep 8 2026

Temperatures will warm back up into the 90s today and Wednesday as the upper ...