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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: 5:41 am CST Dec 12, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on Today Cloudy on Tonight 100% chance of snow on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
High: 30°F Low: 12°F High: 16°F High: 6 °F High: 33°F High: 41°F High: 50°F High: 49°F
Low: -6°F Low: -4°F Low: 20°F Low: 32°F Low: 38°F  
Cloudy Cloudy Snow Sunny Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
28°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 30.04 in.
Flight Rule: IFR
Wind Data
8 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
QUINCY - (KUIN)
27°
Feels like 17°F
Cloudy
Mist
as of 4:54 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 6 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
9 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
27°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 7 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
5 MPH
060° Northeast
Cloud Level(s): Broken at 1500ft, Solid Overcast at 3000ft
Cloudy on Today Today... Cloudy, with a high near 30. Northeast wind around 7 mph becoming northwest in the afternoon.

Cloudy on Tonight Tonight... Cloudy, with a low around 12. Northwest wind 6 to 8 mph.

100% chance of snow Saturday Saturday... Snow, mainly after 8am. High near 16. North wind 6 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -6. Wind chill values as low as -20. Northwest wind around 10 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 6. Northwest wind 5 to 9 mph becoming calm in the afternoon.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -4.

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

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

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

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

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

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain. Mostly cloudy, with a low around 38.

20% chance of rain Thursday Thursday... A 20 percent chance of rain. Partly sunny, with a high near 49.

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.