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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 16, 2026 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday M.L.King Day Tuesday Wednesday Thursday
Cloudy on Overnight 40% chance of rain & snow on Friday Partly Sunny on Saturday Partly Sunny on Sunday Sunny on M.L.King Day Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday
Low: 26°F High: 41°F High: 20°F High: 28°F High: 17°F High: 30°F High: 42°F High: 36°F
Low: 17°F Low: 9 °F Low: 8 °F Low: 8°F Low: 24°F Low: 22°F  
Cloudy Rain & Snow Partly Sunny Partly Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
28°
Feels like 19°F
Clear
as of 3:15 AM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
30°
Partly Cloudy
as of 2:54 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.63 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Scattered at 12000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
28°
Feels like 19°F
Partly Cloudy
as of 3:15 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.63 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Scattered at 10000ft
Cloudy on Overnight Overnight... Cloudy, with a low around 26. South wind around 9 mph.

40% chance of rain & snow Friday Friday... A slight chance of snow before 3pm, then a chance of rain between 3pm and 5pm, then a chance of snow after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, with a low around 17. West wind 9 to 13 mph, with gusts as high as 24 mph.

Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 20. West wind 11 to 16 mph, with gusts as high as 23 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 9. West wind 9 to 15 mph.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 28.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 8. Blustery.

Sunny on M.L.King Day M.L.King Day... Sunny and cold, with a high near 17.

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 30.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 24.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 42.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 36.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:21 AM
Sunset: 5:03 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:32 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 6:05 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:38 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.