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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: 5:01 pm CST Dec 12, 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 100% chance of snow on Saturday Sunny on Sunday Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday
Low: 12°F High: 14°F High: 6 °F High: 33°F High: 40°F High: 50°F High: 50°F High: 45°F
Low: -5°F Low: -2 °F Low: 19°F Low: 29°F Low: 40°F Low: 28°F  
Mostly Cloudy Snow Sunny Sunny Sunny Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
28°
Cloudy
as of 6:55 PM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 5 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
QUINCY - (KUIN)
30°
Cloudy
Mist
as of 6:54 PM CST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 6 Miles
Pressure: 30.18 in.
Flight Rule: MVFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
28°
Cloudy
as of 6:55 PM CST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 7 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
8 MPH
280° West
Cloud Level(s): Broken at 1800ft, Solid Overcast at 2500ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 12. Northwest wind 5 to 10 mph.

100% chance of snow Saturday Saturday... Snow, mainly before 4pm. High near 14. North wind 6 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Mostly Clear on Saturday Night Saturday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around -5. Wind chill values as low as -20. Northwest wind around 11 mph, with gusts as high as 21 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 6. Wind chill values as low as -20. Northwest wind 5 to 10 mph becoming light north in the afternoon.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a temperature falling to near -2 by 8pm, then rising to around 6 during the remainder of the night. Light and variable wind becoming south 6 to 11 mph after midnight.

Sunny on Monday Monday... Sunny, with a high near 33.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 19.

Sunny on Tuesday Tuesday... Sunny, with a high near 40.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 29.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 50.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 40.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 50.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 28.

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

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:15 AM
Sunset: 4:37 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:10 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.