Grant Park, Illinois Weather
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Weather Forecast for Grant Park, Illinois : Kankakee County
Issued: 12:48 pm CDT Sep 18, 2025 Latitude: 41.2411449 Longitude: -87.6461491 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on This Afternoon Mostly Clear on Tonight Mostly Sunny on Friday 30% chance of thunderstorms on Saturday 50% chance of thunderstorms on Sunday 20% chance of rain on Monday 20% chance of on Tuesday 20% chance of rain on Wednesday
High: 85°F Low: 59°F High: 87°F High: 82°F High: 80°F High: 78°F High: 76°F High: 75°F
Low: 61°F Low: 62°F Low: 62°F Low: 61°F Low: 58°F  
Sunny Mostly Clear Mostly Sunny Thunderstorms Thunderstorms Rain Partly Sunny Rain
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Current Conditions at
KANKAKEE - (KIKK)
84°
Clear
as of 12:36 PM CDST
Rel. Humidity: 37%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
82°
Clear
as of 12:35 PM CDST
Rel. Humidity: 34%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
GARY - (KGYY)
84°
Clear
as of 11:50 AM CDST
Rel. Humidity: 54%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
7 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
VALPARAISO - (KVPZ)
84°
Clear
as of 11:56 AM CDST
Rel. Humidity: 39%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 85. South wind around 5 mph becoming calm.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 59. East wind around 5 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 87. East wind 5 to 10 mph becoming south in the afternoon.
20% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East southeast wind around 5 mph. Chance of precipitation is 20%.
30% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
50% chance of thunderstorms Sunday Sunday... A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Thunderstorms on Sunday Night Sunday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62.
20% chance of rain Monday Monday... A chance of showers. Mostly cloudy, with a high near 78.
20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 61.
20% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 76.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 58.
20% chance of rain Wednesday Wednesday... A chance of showers. Mostly sunny, with a high near 75.
Current Radar Image


Sun Almanac for Grant Park, Illinois
Sunrise: 06:35 AM
Sunset: 6:54 PM
Civil Sunrise:06:07 AM
Civil Sunset: 7:22 PM
Nautical Sunrise: 05:35 AM
Nautical Sunset: 7:54 PM
Astro Sunrise: 05:01 AM
Astro Sunset: 8:28 PM
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