Williams Chapel, IL Weather Forecast

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Williams Chapel, IL Weather Forecast

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Williams Chapel IL weather  - Overcast - 55°F
Overcast
55°F
Updated 5:46 am
Feels Like 47°F
Humidity 76%
Wind VRB 5 mph
Barometer  30.12 in
Dew Point 48°F
Williams Chapel IL weather  - Overcast - 13°C
Overcast
13°C
Updated 5:46 am
Feels Like 8°C
Humidity 76%
Wind VRB 8 km/h
Barometer  102 kPa
Dew Point 9°C

Williams Chapel Weather Forecast

TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY WEDNESDAY WEDNESDAY NIGHT THURSDAY
Williams Chapel, IL Weather - Today Mostly Cloudy Williams Chapel, IL Weather - Tonight Chance Of Showers Williams Chapel, IL Weather - Saturday Sunny Williams Chapel, IL Weather - Saturday Night Clear Williams Chapel, IL Weather - Sunday Sunny Williams Chapel, IL Weather - Sunday Night Mostly Clear Williams Chapel, IL Weather - Monday Mostly Clear Williams Chapel, IL Weather - Tuesday Mostly Clear Williams Chapel, IL Weather - Wednesday Mostly Clear Williams Chapel, IL Weather - Wednesday Night Clear Williams Chapel, IL Weather - Thursday Sunny
Mostly Cloudy Chance of Showers Sunny Clear Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Sunny
Hi: 55°FHi: 13°C
Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
Lo: 35°FLo: 2°C Hi: 65°FHi: 18°C
Hi: 75°FHi: 24°C
Lo: 41°FLo: 5°C
Hi: 75°FHi: 24°C
Lo: 41°FLo: 5°C
Hi: 75°FHi: 24°C
Lo: 41°FLo: 5°C
Hi: 75°FHi: 24°C
Lo: 41°FLo: 5°C
Lo: 49°FLo: 9°C Hi: 80°FHi: 27°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 432 AM CDT Fri Oct 16 2026 Williams Chapel, IL Weather - WeatherWorld.com

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Issued: 1257 AM CDT Fri Oct 16 2026

Key Messages

  • Dramatically cooler today as a strong cold front sweeps through. Highs are forecast 27 to 32 degrees colder than yesterday.
  • Saturday night still looks to have a high potential for a first frost across most of the CWA with overnight lows in the 30s.
  • Sunday kicks off a warming trend with highs returning back to around or slightly above normal by mid week amid dry and settled weather with warm days and cool nights.

Discussion

... Issued at 1257 AM CDT Fri Oct 16 2026

A very strong cold fro...