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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: 4:46 am CST Dec 6, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Today 60% chance of rain & snow on Tonight 30% chance of rain & snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday 30% chance of snow on Thursday Partly Sunny on Friday
High: 37°F Low: 30°F High: 22 °F High: 27°F High: 43°F High: 37°F High: 30°F High: 23°F
Low: 8 °F Low: 28 °F Low: 31°F Low: 20°F Low: 16°F  
Mostly Cloudy Rain & Snow Rain & Snow Mostly Sunny Partly Sunny Rain Snow Partly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
34°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
3 MPH
250° West
Cloud Level(s): Solid Overcast at 3400ft
Current Conditions at
QUINCY - (KUIN)
28°
Partly Cloudy
as of 4:54 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Scattered at 3000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
32°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Wind Data
5 MPH
250° West
Cloud Level(s): Solid Overcast at 3000ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 37. Calm wind becoming southeast around 5 mph in the afternoon.

60% chance of rain & snow Tonight Tonight... Rain and snow likely before 1am, then a chance of rain between 1am and 5am, then a chance of rain and snow after 5am. Cloudy, with a low around 30. Southeast wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.

30% chance of rain & snow Sunday Sunday... A chance of rain before 8am, then a chance of snow between 8am and noon. Mostly cloudy, with a temperature falling to around 22 by 5pm. Southwest wind around 11 mph becoming north in the morning. Chance of precipitation is 30%.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 8. North wind 5 to 10 mph becoming light after midnight.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 27. Calm wind becoming south around 6 mph in the afternoon.

Cloudy on Monday Night Monday Night... Partly cloudy, with a temperature rising to around 28 by 5am.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 43.

30% chance of rain Tuesday Night Tuesday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 31.

20% chance of rain Wednesday Wednesday... A 20 percent chance of rain before noon. Mostly cloudy, with a high near 37.

20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20.

30% chance of snow Thursday Thursday... A 30 percent chance of snow. Mostly cloudy, with a high near 30.

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 23.

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.