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Grant Park, Illinois Weather Forecast
Grant Park, Illinois Weather
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Weather Forecast for Grant Park, Illinois : Kankakee County
Issued: 12:06 pm CST Dec 14, 2025 Latitude: 41.2411449 Longitude: -87.6461491 View on Google Maps

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This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on This Afternoon Cloudy on Tonight Partly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 70% chance of rain on Thursday Partly Sunny on Friday 20% chance of rain on Saturday
High: 9 °F Low: 1 °F High: 24°F High: 36°F High: 38°F High: 48°F High: 32°F High: 43°F
Low: 14°F Low: 29°F Low: 31°F Low: 16°F Low: 24°F  
Sunny Cloudy Partly Sunny Mostly Sunny Mostly Sunny Rain Partly Sunny Rain
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Current Conditions at
LANSING MUNICIPAL - (KIGQ)
10°
Clear
as of 11:55 AM CST
Rel. Humidity: 39%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.60 in.
Flight Rule: VFR
Wind Data
8 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
GARY - (KGYY)
12°
Feels like -2°F
Clear
as of 11:50 AM CST
Rel. Humidity: 47%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.60 in.
Flight Rule: VFR
Wind Data
13 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
VALPARAISO - (KVPZ)
9°
Feels like -7°F
Cloudy
as of 11:56 AM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.57 in.
Flight Rule: MVFR
Wind Data
14 MPH
290° West
Cloud Level(s): Solid Overcast at 2100ft
Sunny on This Afternoon This Afternoon... Sunny and cold, with a high near 9. Wind chill values as low as -10. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 1. Wind chill values as low as -13. West wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 24. Wind chill values as low as -12. Breezy, with a west 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 14. Southwest wind around 5 mph, with gusts as high as 10 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 36. 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 29.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 38.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain after midnight. Mostly cloudy, with a low around 31. Breezy.
70% chance of rain Thursday Thursday... Rain likely before noon. Mostly cloudy, with a high near 48. Breezy.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 16.
Partly Sunny on Friday Friday... Partly sunny, with a high near 32.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 24.
20% chance of rain Saturday Saturday... A chance of rain. Mostly cloudy, with a high near 43.
Current Radar Image


Sun Almanac for Grant Park, Illinois
Sunrise: 07:09 AM
Sunset: 4:22 PM
Civil Sunrise:06:38 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:02 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.