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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: 10:01 pm CST Dec 5, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Tonight Mostly Cloudy on Saturday 40% chance of rain & snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 30% chance of rain on Wednesday Mostly Cloudy on Thursday Partly Sunny on Friday
Low: 25°F High: 32°F High: 24 °F High: 26°F High: 41°F High: 40°F High: 34°F High: 25°F
Low: 26°F Low: 8 °F Low: 18°F Low: 32°F Low: 22°F Low: 16°F  
Mostly Cloudy Mostly Cloudy Rain & Snow Mostly Sunny Partly Sunny Rain Mostly Cloudy Partly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
28°
Clear
as of 11:35 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
34°
Feels like 26°F
Mostly Clear
as of 10:54 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
9 MPH
260° West
Cloud Level(s): Few at 2900ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
34°
Feels like 25°F
Cloudy
as of 11:35 PM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Solid Overcast at 3800ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 25. West wind 5 to 7 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 32. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

70% chance of rain & snow Saturday Night Saturday Night... Snow likely before 5am, then a chance of rain and snow. Cloudy, with a low around 26. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

40% chance of rain & snow Sunday Sunday... A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a temperature falling to around 24 by 5pm. South wind 8 to 11 mph becoming north in the morning. Chance of precipitation is 40%.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 8. North wind 6 to 11 mph becoming light after midnight.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 26.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 18.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41.

20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 32.

30% chance of rain Wednesday Wednesday... A 30 percent chance of rain. Mostly cloudy, with a high near 40.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 34.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 16.

Partly Sunny on Friday Friday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:10 AM
Sunset: 4:37 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:14 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.