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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: 12:11 am CST Jan 9, 2026 Latitude: 41.2411449 Longitude: -87.6461491 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
30% chance of thunderstorms on Overnight 30% chance of rain on Friday 60% chance of rain & snow on Saturday 20% chance of snow on Sunday Mostly Sunny on Monday Mostly Cloudy on Tuesday 20% chance of rain & snow on Wednesday Partly Sunny on Thursday
Low: 44°F High: 42 °F High: 39°F High: 30°F High: 39°F High: 43°F High: 35°F High: 28°F
Low: 32°F Low: 20°F Low: 22°F Low: 31°F Low: 30°F Low: 20°F  
Thunderstorms Rain Rain & Snow Snow Mostly Sunny Mostly Cloudy Rain & Snow Partly Sunny
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Current Conditions at
KANKAKEE - (KIKK)
61°
Clear
as of 1:55 AM CST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.49 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 26 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
59°
Clear
as of 1:55 AM CST
Rel. Humidity: 82%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.45 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 31 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
GARY - (KGYY)
61°
Clear
as of 1:55 AM CST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.43 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 25 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
VALPARAISO - (KVPZ)
61°
Mostly Clear
as of 1:56 AM CST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.49 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 29 MPH
210° Southwest
Cloud Level(s): Few at 3000ft
30% chance of thunderstorms Overnight Overnight... A chance of rain and thunderstorms before 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
30% chance of rain Friday Friday... A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 42 by 5pm. Breezy, with a west southwest wind 15 to 25 mph becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 40 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 32. North wind around 5 mph becoming southeast after midnight.
60% chance of rain & snow Saturday Saturday... Rain and snow likely, mainly before noon. Mostly cloudy, with a high near 39. Breezy, with a southeast wind 5 to 10 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
40% chance of snow Saturday Night Saturday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 20. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
20% chance of snow Sunday Sunday... A 20 percent chance of snow before noon. Partly sunny, with a high near 30. Blustery.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 39.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 43.
20% chance of rain Tuesday Night Tuesday Night... A chance of rain. Cloudy, with a low around 30.
20% chance of rain & snow Wednesday Wednesday... A chance of rain and snow. Mostly cloudy, with a high near 35.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 20.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 28.
Current Radar Image


Sun Almanac for Grant Park, Illinois
Sunrise: 07:16 AM
Sunset: 4:40 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:18 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.