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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: 4:01 am CST Dec 11, 2025 Latitude: 41.2411449 Longitude: -87.6461491 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Today 60% chance of snow on Tonight 20% chance of snow on Friday 60% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday
High: 28°F Low: 24°F High: 30°F High: 13°F High: 7°F High: 21°F High: 32°F High: 38°F
Low: 8 °F Low: -6°F Low: -4°F Low: 11°F Low: 25°F  
Mostly Cloudy Snow Snow Snow Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
LANSING MUNICIPAL - (KIGQ)
27°
Cloudy
as of 8:15 AM CST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2900ft
Current Conditions at
GARY - (KGYY)
27°
Cloudy
as of 7:50 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 3000ft
Current Conditions at
VALPARAISO - (KVPZ)
25°
Feels like 15°F
Cloudy
as of 7:56 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
9 MPH
270° West
Cloud Level(s): Solid Overcast at 2800ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 28. West wind around 5 mph becoming calm in the afternoon.
60% chance of snow Tonight Tonight... Snow likely, mainly before midnight. Cloudy, with a low around 24. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
20% chance of snow Friday Friday... A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 30. Northeast wind 5 to 10 mph becoming west in the afternoon.
20% chance of snow Friday Night Friday Night... A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -5. West wind 10 to 15 mph.
60% chance of snow Saturday Saturday... Snow likely, mainly after noon. Cloudy, with a high near 13. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow before midnight. Partly cloudy, with a low around -6.
Sunny on Sunday Sunday... Sunny and cold, with a high near 7.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -4.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 21.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 11.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 32.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 25.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 38.
Current Radar Image


Sun Almanac for Grant Park, Illinois
Sunrise: 07:07 AM
Sunset: 4:22 PM
Civil Sunrise:06:35 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:27 PM
Astro Sunrise: 05:27 AM
Astro Sunset: 6:01 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.