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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: 8:26 am CST Jan 7, 2026 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Morning Fog on Today Increasing Clouds on Tonight 90% chance of rain on Thursday Mostly Cloudy on Friday 40% chance of rain & snow on Saturday Mostly Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday
High: 59°F Low: 43°F High: 61°F High: 51°F High: 41°F High: 31°F High: 43°F High: 46°F
Low: 45°F Low: 35°F Low: 22°F Low: 21°F Low: 29°F  
Morning Fog Increasing Clouds Rain Mostly Cloudy Rain & Snow Mostly Sunny Sunny Partly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
36°
Clear
as of 9:15 AM CST
Rel. Humidity: 100%
Dew Point: 36°F
Visibility: 4 Miles
Pressure: 29.95 in.
Flight Rule: MVFR
Wind Data
5 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
37°
Clear
as of 8:54 AM CST
Rel. Humidity: 93%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
30°
Cloudy
Freezing Fog
as of 9:15 AM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 1/4 Miles
Pressure: 29.95 in.
Flight Rule: LIFR
Wind Data
5 MPH
110° East
Cloud Level(s): Solid Overcast at 100ft
Morning Fog on Today Today... Areas of fog before 10am. Otherwise, sunny, with a high near 59. South wind 5 to 9 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 43. South wind around 9 mph, with gusts as high as 20 mph.

90% chance of rain Thursday Thursday... Rain, mainly after 10am. High near 61. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. South wind 10 to 18 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 51. West wind 7 to 10 mph becoming north in the afternoon.

50% chance of rain Friday Night Friday Night... A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 35.

40% chance of rain & snow Saturday Saturday... A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 31.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 21.

Sunny on Monday Monday... Sunny, with a high near 43.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 29.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 46.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:24 AM
Sunset: 4:53 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:30 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.