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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: 6:21 am CST Jan 15, 2026 Latitude: 39.9472702 Longitude: -90.5373487 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday M.L.King Day Tuesday Wednesday
Increasing Clouds on Today 80% chance of snow on Tonight Partly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday Mostly Sunny on M.L.King Day Sunny on Tuesday Mostly Sunny on Wednesday
High: 32°F Low: 27°F High: 40°F High: 20°F High: 24°F High: 19°F High: 27°F High: 38°F
Low: 16°F Low: 8°F Low: 10°F Low: 6°F Low: 16°F  
Increasing Clouds Snow Partly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Sunny Mostly Sunny
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Increasing Clouds on Today Today... Increasing clouds, with a high near 32. Northwest wind 5 to 9 mph becoming south in the afternoon.

80% chance of snow Tonight Tonight... Snow before midnight, then scattered flurries after 5am. Low around 27. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Partly Sunny on Friday Friday... Partly sunny, with a high near 40. West wind 14 to 16 mph, with gusts as high as 25 mph.

30% chance of snow Friday Night Friday Night... Scattered snow showers. Mostly cloudy, with a low around 16. Northwest wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Mostly Cloudy on Saturday Saturday... Mostly cloudy and cold, with a high near 20. West wind around 15 mph, with gusts as high as 23 mph.

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

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 24.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 10.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny and cold, with a high near 19.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 6.

Sunny on Tuesday Tuesday... Sunny, with a high near 27.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 16.

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

Sun Almanac for La Grange, Illinois
Sunrise: 07:22 AM
Sunset: 5:01 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:31 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:37 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.