Old Mill Park, IL Weather Forecast

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Old Mill Park, IL Weather Forecast

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Old Mill Park IL weather  - Clear - 74°F
Clear
74°F
Updated 12:55 am
Feels Like 66°F
Humidity 66%
Wind SW 13 mph
Barometer  29.75 in
Dew Point 62°F
Old Mill Park IL weather  - Clear - 23°C
Clear
23°C
Updated 12:55 am
Feels Like 19°C
Humidity 66%
Wind SW 21 km/h
Barometer  100.7 kPa
Dew Point 17°C

Old Mill Park Weather Forecast

REST OF TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Old Mill Park, IL Weather - Rest Of Tonight Mostly Clear Old Mill Park, IL Weather - Tuesday Mostly Sunny Old Mill Park, IL Weather - Tuesday Night Chance Of T-Storm Old Mill Park, IL Weather - Wednesday Chance Of Showers Old Mill Park, IL Weather - Wednesday Night Mostly Cloudy Old Mill Park, IL Weather - Thursday Chance Of T-Storm Old Mill Park, IL Weather - Thursday Night Chance Of Showers Old Mill Park, IL Weather - Friday Windy Old Mill Park, IL Weather - Friday Night Mostly Clear Old Mill Park, IL Weather - Saturday Sunny Old Mill Park, IL Weather - Saturday Night Clear Old Mill Park, IL Weather - Sunday Mostly Sunny
Mostly Clear Mostly Sunny Chance of T-Storm Chance of Showers Mostly Cloudy Chance of T-Storm Chance of Showers Windy Mostly Clear Sunny Clear Mostly Sunny
Lo: 69°FLo: 21°C Hi: 80°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 70°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 59°FHi: 15°C
Lo: 35°FLo: 2°C Hi: 59°FHi: 15°C
Lo: 39°FLo: 4°C Hi: 61°FHi: 16°C
POP: 70% POP: 30% POP: 90% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1221 AM CDT Tue Oct 13 2026 Old Mill Park, IL Weather - WeatherWorld.com

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Issued: 626 PM CDT Mon Oct 12 2026

Key Messages

  • Unseasonable warmth continues into Tuesday, warmest south of Interstate 80.
  • Showers are likely Tuesday night into Wednesday morning and may be accompanied by isolated thunderstorms capable of gusty winds and small hail.
  • Widespread rain is expected Thursday followed by a strong cold front and much cooler conditions Friday into the weekend.

Discussion

... Issued at 314 PM CDT Mon Oct 12 2026

After a brief delay in warming due to lingering high clouds, temperatures have since warmed well i...