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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: 3:56 am CST Dec 5, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Today Mostly Cloudy on Tonight Partly Sunny on Saturday 40% chance of snow on Sunday Partly Sunny on Monday Partly Sunny on Tuesday 30% chance of rain on Wednesday Mostly Cloudy on Thursday
High: 35°F Low: 31°F High: 32°F High: 30°F High: 26°F High: 39°F High: 39°F High: 28°F
Low: 23°F Low: 2°F Low: 17°F Low: 30°F Low: 15°F  
Mostly Cloudy Mostly Cloudy Partly Sunny Snow Partly Sunny Partly Sunny Rain Mostly Cloudy
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
9°
Clear
as of 4:15 AM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
6 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
10°
Feels like -2°F
Mostly Clear
as of 3:54 AM CST
Rel. Humidity: 78%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Few at 5500ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
7°
Clear
as of 4:15 AM CST
Rel. Humidity: 77%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
6 MPH
170° South
Cloud Level(s): Clear
Mostly Cloudy on Today Today... Mostly cloudy, then gradually becoming sunny, with a high near 35. South wind 6 to 9 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a steady temperature around 31. South wind around 7 mph becoming northwest after midnight.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 32. Northwest wind around 5 mph becoming calm.
60% chance of snow Saturday Night Saturday Night... Snow likely, mainly after midnight. Cloudy, with a low around 23. East wind 6 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
40% chance of snow Sunday Sunday... A 40 percent chance of snow before noon. Mostly cloudy, with a high near 30. East wind 9 to 11 mph becoming north in the afternoon.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 2.
Partly Sunny on Monday Monday... Partly sunny, with a high near 26.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 17.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 39.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30.
30% chance of rain Wednesday Wednesday... A 30 percent chance of rain. Mostly cloudy, with a high near 39.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 28.
Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:09 AM
Sunset: 4:37 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:14 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.