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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: 3:41 am CST Dec 26, 2025 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday New Year's Day
Morning Fog on Today Mostly Cloudy on Tonight Mostly Cloudy on Saturday 80% chance of thunderstorms on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day
High: 53 °F Low: 42°F High: 61°F High: 61 °F High: 26°F High: 35°F High: 34°F High: 30°F
Low: 56°F Low: 17°F Low: 15°F Low: 23°F Low: 17°F  
Morning Fog Mostly Cloudy Mostly Cloudy Thunderstorms Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
57°
Clear
as of 4:35 AM CST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.69 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 16 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
59°
Mostly Cloudy
as of 4:17 AM CST
Rel. Humidity: 87%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: MVFR
Wind Data
12 MPH
220° Southwest
Cloud Level(s): Broken at 1900ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
57°
Mostly Cloudy
as of 4:35 AM CST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 7 Miles
Pressure: 29.68 in.
Flight Rule: MVFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Broken at 1900ft
Morning Fog on Today Today... Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a temperature falling to around 53 by 5pm. West wind 6 to 10 mph becoming northwest in the afternoon.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 61. Southeast wind 6 to 11 mph.
40% chance of rain Saturday Night Saturday Night... A 40 percent chance of rain after midnight. Cloudy, with a low around 56. South wind 6 to 11 mph.
80% chance of thunderstorms Sunday Sunday... Rain and possibly a thunderstorm. Temperature rising to near 61 by 10am, then falling to around 49 during the remainder of the day. Breezy, with a south wind 6 to 11 mph becoming northwest 15 to 20 mph in the afternoon. Chance of precipitation is 80%.
30% chance of rain & snow Sunday Night Sunday Night... A chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 17. Blustery. Chance of precipitation is 30%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 26. Blustery.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 15.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 35.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 34.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 30.
Current Radar Image


Sun Almanac for La Grange, Illinois
Sunrise: 07:23 AM
Sunset: 4:43 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:21 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.