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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: 3:16 am CST Jan 22, 2026 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

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Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Increasing Clouds on Today Mostly Cloudy on Tonight Mostly Cloudy on Friday 60% chance of snow on Saturday 30% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
High: 35°F Low: -2°F High: 6 °F High: 10°F High: 15°F High: 19°F High: 29°F High: 26°F
Low: 0 °F Low: 5 °F Low: -3°F Low: 8°F Low: 12°F  
Increasing Clouds Mostly Cloudy Mostly Cloudy Snow Snow Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
19°
Clear
as of 3:55 AM CST
Rel. Humidity: 52%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
18°
Clear
as of 3:54 AM CST
Rel. Humidity: 57%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
12°
Clear
as of 3:55 AM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 35. West wind 6 to 13 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around -2. Wind chill values as low as -15. North wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 24 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy and cold, with a high near 6. Wind chill values as low as -25. North wind 11 to 17 mph, with gusts as high as 25 mph.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 0. Wind chill values as low as -15. Northeast wind around 11 mph.

60% chance of snow Saturday Saturday... Snow likely, mainly after noon. Cloudy and cold, with a high near 10. Northeast wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

70% chance of snow Saturday Night Saturday Night... Snow likely. Cloudy, with a low around 5. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

30% chance of snow Sunday Sunday... A 30 percent chance of snow. Mostly cloudy and cold, with a high near 15.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -3.

Sunny on Monday Monday... Sunny and cold, with a high near 19.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 8.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 29.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 12.

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

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:18 AM
Sunset: 5:09 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:39 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 6:12 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:44 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.