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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: 10:31 pm CST Jan 2, 2026 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 Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 50% chance of rain on Thursday 20% chance of rain on Friday
Low: 23°F High: 36°F High: 36°F High: 53°F High: 56°F High: 56°F High: 57°F High: 52°F
Low: 21°F Low: 30°F Low: 39°F Low: 35°F Low: 43°F Low: 42°F  
Mostly Cloudy Clearing Increasing Clouds Mostly Sunny Mostly Sunny Mostly Sunny Rain Rain
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
27°
Clear
as of 10:35 PM CST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
27°
Clear
as of 9:54 PM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
25°
Clear
as of 10:35 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
5 MPH
070° East
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 23. Northeast wind 3 to 5 mph.
Clearing on Saturday Saturday... Cloudy through mid morning, then clearing, with a high near 36. North wind 3 to 7 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm after midnight.
Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 36. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 30. South wind 8 to 11 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 53.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 39.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 56.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 35.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 43.
50% chance of rain Thursday Thursday... A 50 percent chance of rain. Mostly cloudy, with a high near 57.
50% chance of rain Thursday Night Thursday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 42.
20% chance of rain Friday Friday... A 20 percent chance of rain. Mostly cloudy, with a high near 52.
Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:24 AM
Sunset: 4:49 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:26 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.