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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: 12:21 am CST Jan 14, 2026 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday M.L.King Day Tuesday
Mostly Cloudy on Overnight 20% chance of snow on Wednesday Sunny on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on M.L.King Day Mostly Sunny on Tuesday
Low: 32°F High: 27 °F High: 31°F High: 39°F High: 20°F High: 25°F High: 26°F High: 26°F
Low: 15°F Low: 33 °F Low: 15°F Low: 7°F Low: 12°F Low: 8°F  
Mostly Cloudy Snow Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
45°
Feels like 38°F
Clear
as of 12:15 AM CST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: VFR
Wind Data
14 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
45°
Feels like 38°F
Clear
as of 11:54 PM CST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
14 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
39°
Feels like 31°F
Clear
as of 12:15 AM CST
Rel. Humidity: 86%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
13 MPH
300° Northwest
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 32. West wind 7 to 16 mph, with gusts as high as 29 mph.

20% chance of snow Wednesday Wednesday... A chance of flurries before 8am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 27 by 5pm. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 15. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.

Sunny on Thursday Thursday... Sunny, with a high near 31. Northwest wind 6 to 9 mph becoming south in the afternoon.

60% chance of snow Thursday Night Thursday Night... Snow likely, mainly before midnight. Mostly cloudy, with a temperature rising to around 33 by 5am. South wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Partly Sunny on Friday Friday... Partly sunny, with a high near 39.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.

Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 20.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 7.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 25.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 12.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 26.

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 26.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:22 AM
Sunset: 5:00 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:30 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 6:03 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:36 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.