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La Grange, Illinois Weather Forecast
La Grange, Illinois Weather
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Weather Forecast for La Grange, Illinois : Brown County
Issued: 8:01 pm CST Dec 13, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 30% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday
Low: -5°F High: 7 °F High: 34°F High: 42°F High: 45°F High: 50°F High: 37°F High: 48°F
Low: -1 °F Low: 20°F Low: 30°F Low: 37°F Low: 20°F Low: 30°F  
Mostly Clear Sunny Sunny Mostly Sunny Partly Sunny Rain Mostly Sunny Partly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
Feels like -14°F
Clear
as of 8:55 PM CST
Rel. Humidity: 77%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.48 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
Clear
as of 8:54 PM CST
Rel. Humidity: 84%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.49 in.
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
-8°
Feels like -28°F
Clear
as of 8:55 PM CST
Rel. Humidity: 83%
Dew Point: -11°F
Visibility: 10 Miles
Pressure: 30.49 in.
Flight Rule: VFR
Wind Data
14 MPH
290° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around -5. Wind chill values as low as -20. Northwest wind around 11 mph, with gusts as high as 23 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 7. Wind chill values as low as -20. Northwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 22 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a temperature falling to near -1 by 8pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -15. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 20 mph.

Sunny on Monday Monday... Sunny, with a high near 34. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 20. Southwest wind 3 to 6 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 42.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 45.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 37.

30% chance of rain Thursday Thursday... A 30 percent chance of rain before noon. Partly sunny, with a high near 50.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 37.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 30.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 48.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:16 AM
Sunset: 4:37 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:15 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.