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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 Nov 17, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
20% chance of rain on Today 90% chance of thunderstorms on Tonight 20% chance of rain on Tuesday Mostly Cloudy on Wednesday 70% chance of rain on Thursday 60% chance of rain on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
High: 55°F Low: 46°F High: 61°F High: 56°F High: 62°F High: 58°F High: 53°F High: 55°F
Low: 40°F Low: 43°F Low: 47°F Low: 39°F Low: 36°F  
Rain Thunderstorms Rain Mostly Cloudy Rain Rain Partly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
36°
Cloudy
as of 6:35 AM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
5 MPH
090° East
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
PITTSFIELD - (KPPQ)
36°
Clear
as of 6:35 AM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
36°
Clear
as of 5:54 AM CST
Rel. Humidity: 51%
Dew Point: 19°F
Pressure: 30.06 in.
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
41°
Mostly Cloudy
as of 6:35 AM CST
Rel. Humidity: 65%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
5 MPH
090° East
Cloud Level(s): Broken at 6500ft
20% chance of rain Today Today... A 20 percent chance of showers after 5pm. Increasing clouds, with a high near 55. Light east wind becoming southeast 6 to 11 mph in the morning.

90% chance of thunderstorms Tonight Tonight... Showers and thunderstorms before 3am, then a chance of showers. Low around 46. Southeast wind 10 to 14 mph. Chance of precipitation is 90%.

20% chance of rain Tuesday Tuesday... A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 61. Southeast wind 6 to 9 mph becoming north in the morning.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 40. Northeast wind 5 to 9 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 56. Light and variable wind.

40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 43.

70% chance of rain Thursday Thursday... Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

60% chance of rain Thursday Night Thursday Night... Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

60% chance of rain Friday Friday... Rain likely, mainly before noon. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

30% chance of rain Friday Night Friday Night... A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 39.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 53.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 36.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 55.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 06:50 AM
Sunset: 4:44 PM
Civil Sunrise:06:21 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 05:48 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 6:18 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.