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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: 5:41 am CST Dec 26, 2025 Latitude: 41.2411449 Longitude: -87.6461491 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday New Year's Day
40% chance of rain on Today Patchy Fog on Tonight Morning Fog on Saturday 90% chance of thunderstorms on Sunday 20% chance of snow on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on New Year's Day
High: 53°F Low: 39°F High: 46°F High: 60°F High: 25°F High: 29°F High: 28°F High: 23°F
Low: 43°F Low: 19°F Low: 14°F Low: 20°F Low: 12°F  
Rain Patchy Fog Morning Fog Thunderstorms Snow Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
KANKAKEE - (KIKK)
45°
Cloudy
Fog
as of 6:35 AM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 1/2 Miles
Pressure: 29.69 in.
Flight Rule: LIFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
41°
Feels like 35°F
Cloudy
Drizzle
as of 6:35 AM CST
Rel. Humidity: 100%
Dew Point: 41°F
Visibility: 2 Miles
Pressure: 29.68 in.
Flight Rule: LIFR
Wind Data
9 MPH
160° South
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
GARY - (KGYY)
39°
Feels like 30°F
Cloudy
Mist
as of 5:50 AM CST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 3 Miles
Pressure: 29.68 in.
Flight Rule: MVFR
Wind Data
17 MPH
Gust: 23 MPH
160° South
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
VALPARAISO - (KVPZ)
37°
Feels like 30°F
Cloudy
Mist
as of 5:56 AM CST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 1 1/2 Miles
Pressure: 29.72 in.
Flight Rule: LIFR
Wind Data
9 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 200ft
40% chance of rain Today Today... A 40 percent chance of rain, mainly before 8am. Areas of dense fog before 9am. Otherwise, cloudy, with a high near 53. South southeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Patchy Fog on Tonight Tonight... Patchy fog after midnight. Otherwise, cloudy, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Morning Fog on Saturday Saturday... Patchy fog before 9am. Otherwise, cloudy, with a high near 46. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
50% chance of rain Saturday Night Saturday Night... A 50 percent chance of showers after midnight. Cloudy, with a low around 43. Southeast wind 10 to 15 mph.
90% chance of thunderstorms Sunday Sunday... Showers likely, then showers and possibly a thunderstorm after noon. High near 60. South wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%.
60% chance of rain & snow Sunday Night Sunday Night... Rain showers likely before midnight, then a chance of rain and snow showers between midnight and 3am, then a chance of snow showers after 3am. Cloudy, with a low around 19. Blustery. Chance of precipitation is 60%.
20% chance of snow Monday Monday... A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 25. Blustery.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 14.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 29.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 20.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 28.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 12.
Partly Sunny on New Year's Day New Year's Day... Partly sunny, with a high near 23.
Current Radar Image


Sun Almanac for Grant Park, Illinois
Sunrise: 07:15 AM
Sunset: 4:28 PM
Civil Sunrise:06:44 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:35 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.