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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: 10:41 am CST Dec 28, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday New Year's Day Friday Saturday
60% chance of thunderstorms on Today 20% chance of rain & snow on Tonight Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day Mostly Sunny on Friday Mostly Sunny on Saturday
High: 39 °F Low: 15°F High: 24°F High: 33°F High: 38°F High: 32°F High: 38°F High: 44°F
Low: 14°F Low: 25°F Low: 21°F Low: 17°F Low: 26°F  
Thunderstorms Rain & Snow Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
66°
Cloudy
as of 10:55 AM CST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.52 in.
Flight Rule: MVFR
Wind Data
15 MPH
Gust: 22 MPH
200° South
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
QUINCY - (KUIN)
61°
Cloudy
Mist
as of 11:12 AM CST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 6 Miles
Pressure: 29.48 in.
Flight Rule: VFR
Wind Data
8 MPH
180° South
Cloud Level(s): Scattered at 2600ft, Solid Overcast at 3400ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
57°
Cloudy
Light Rain
as of 10:55 AM CST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 2 Miles
Pressure: 29.53 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 300ft, Solid Overcast at 2900ft
60% chance of thunderstorms Today Today... Rain and thunderstorms likely before 4pm, then a slight chance of rain between 4pm and 5pm. Cloudy, with a temperature falling to around 39 by 5pm. Breezy, with a south wind 14 to 19 mph becoming west 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%.

20% chance of rain & snow Tonight Tonight... A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. Windy, with a west wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

Partly Sunny on Monday Monday... Partly sunny, with a high near 24. Blustery, with a northwest wind 18 to 26 mph, with gusts as high as 40 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 14. Blustery, with a northwest wind 10 to 20 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 33. Northwest wind 8 to 10 mph becoming southwest in the afternoon.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 25.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 38.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21.

Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 32.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 17.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 38.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 26.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 44.

Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:23 AM
Sunset: 4:45 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:22 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.