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Cornell, Illinois Weather Forecast
Cornell, Illinois Weather
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Weather Forecast for Cornell, Illinois : Livingston County
Issued: 12:01 am CST Dec 15, 2025 Latitude: 40.9900326 Longitude: -88.7292337 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Blowing Snow on Overnight Blowing Snow on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Rain on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
Low: -1 °F High: 26°F High: 37°F High: 39°F High: 49°F High: 28°F High: 45°F High: 36°F
Low: 16°F Low: 28°F Low: 32°F Low: 10°F Low: 22°F Low: 24°F  
Blowing Snow Blowing Snow Mostly Sunny Mostly Sunny Rain Mostly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
-8°
Partly Cloudy
as of 12:15 AM CST
Rel. Humidity: 69%
Dew Point: -15°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
3 MPH
180° South
Cloud Level(s): Scattered at 11000ft
Current Conditions at
PERU - (KVYS)
-0°
Cloudy
as of 12:15 AM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Solid Overcast at 8500ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
-2°
Clear
as of 12:15 AM CST
Rel. Humidity: 84%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Wind Data
6 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
-2°
Mostly Cloudy
as of 12:18 AM CST
Rel. Humidity: 70%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Broken at 8500ft
Blowing Snow on Overnight Overnight... Patchy blowing snow after 2am. Partly cloudy, with a temperature rising to around -1 by 5am. Wind chill values as low as -22. South wind 5 to 15 mph, with gusts as high as 20 mph.

Blowing Snow on Monday Monday... Areas of blowing snow before 3pm. Partly sunny, with a high near 26. Wind chill values as low as -19. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. South southwest wind around 5 mph, with gusts as high as 15 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 37. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 39.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Breezy.

Rain on Thursday Thursday... Showers likely, mainly before noon. Mostly cloudy, with a high near 49. Breezy.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 10.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 28.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 45.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 24.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 36.

Current Radar Image


Sun Almanac for Cornell, Illinois
Sunrise: 07:13 AM
Sunset: 4:28 PM
Civil Sunrise:06:42 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:07 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.