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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: 4:56 pm CST Dec 21, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Mostly Clear on Tonight Increasing Clouds on Monday Sunny on Tuesday Cloudy on Wednesday Partly Sunny on Christmas Day Sunny on Friday Mostly Cloudy on Saturday Sunny on Sunday
Low: 28°F High: 49°F High: 57°F High: 65°F High: 70°F High: 59°F High: 54°F High: 37°F
Low: 40°F Low: 39°F Low: 53°F Low: 49°F Low: 40°F Low: 26°F  
Mostly Clear Increasing Clouds Sunny Cloudy Partly Sunny Sunny Mostly Cloudy Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
30°
Clear
as of 6:55 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: VFR
Wind Data
8 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
34°
Clear
as of 6:54 PM CST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
32°
Feels like 23°F
Clear
as of 6:55 PM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
10 MPH
150° Southeast
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 28. South wind 6 to 9 mph.

Increasing Clouds on Monday Monday... Increasing clouds, with a high near 49. South wind 8 to 10 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 40. South wind 6 to 9 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 57. Southwest wind around 6 mph becoming light and variable.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 39. Light and variable wind becoming east around 6 mph after midnight.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 65.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 53.

Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 70.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 49.

Sunny on Friday Friday... Sunny, with a high near 59.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 40.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 54.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 26.

Sunny on Sunday Sunday... Sunny, with a high near 37.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:21 AM
Sunset: 4:40 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:43 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.