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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: 4:41 pm CST Dec 14, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Tonight Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday 50% chance of on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 10 °F High: 35°F High: 42°F High: 44°F High: 51°F High: 32°F High: 50°F High: 39°F
Low: 21°F Low: 29°F Low: 37°F Low: 14°F Low: 26°F Low: 28°F  
Mostly Clear Sunny Sunny Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
5°
Clear
as of 4:55 PM CST
Rel. Humidity: 54%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.70 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
5°
Clear
as of 4:54 PM CST
Rel. Humidity: 60%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.66 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
-0°
Clear
as of 4:55 PM CST
Rel. Humidity: 70%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.70 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a temperature rising to around 10 by 5am. Light south wind increasing to 8 to 13 mph after midnight. Winds could gust as high as 20 mph.
Sunny on Monday Monday... Sunny, with a high near 35. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 21. Southwest wind 5 to 7 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 42. South wind 6 to 8 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29. South wind 5 to 8 mph becoming light and variable after midnight.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 44.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 37.
50% chance of Thursday Thursday... A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 51. Breezy.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 14.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 32.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 26.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 50.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 28.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 39.
Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:16 AM
Sunset: 4:38 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:39 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.