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Deer Park, Illinois Weather Forecast
Deer Park, Illinois Weather
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Weather Forecast for Deer Park, Illinois : LaSalle County
Issued: 7:31 pm CST Nov 25, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

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Tonight Wednesday Thanksgiving Day Friday Saturday Sunday Monday Tuesday
Increasing Clouds on Tonight 20% chance of snow on Wednesday Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday Snow on Saturday Mostly Cloudy on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 33°F High: 35°F High: 34°F High: 32°F High: 32°F High: 27°F High: 20°F High: 22°F
Low: 24°F Low: 20°F Low: 24°F Low: 27°F Low: 7°F Low: 8°F  
Increasing Clouds Snow Mostly Sunny Mostly Sunny Snow Mostly Cloudy Partly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
43°
Feels like 34°F
Mostly Cloudy
as of 9:35 PM CST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 22 MPH
260° West
Cloud Level(s): Broken at 4100ft, Broken at 5000ft, Broken at 6500ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
43°
Partly Cloudy
as of 9:35 PM CST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Scattered at 3900ft, Scattered at 4800ft, Scattered at 6000ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
45°
Feels like 35°F
Cloudy
Rain
as of 9:35 PM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: MVFR
Wind Data
25 MPH
Gust: 33 MPH
290° West
Cloud Level(s): Scattered at 1000ft, Scattered at 1600ft, Solid Overcast at 2600ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
43°
Feels like 33°F
Cloudy
Light Rain
as of 9:35 PM CST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 37 MPH
280° West
Cloud Level(s): Broken at 3200ft, Broken at 3700ft, Solid Overcast at 6000ft
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 33. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph.
20% chance of snow Wednesday Wednesday... A 20 percent chance of snow. Mostly cloudy, with a high near 35. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 24. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 34. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 32.
70% chance of snow Friday Night Friday Night... Snow likely, mainly after midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Snow on Saturday Saturday... Snow. Cloudy, with a high near 32.
Snow on Saturday Night Saturday Night... Snow likely, mainly before midnight. Cloudy, with a low around 27.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 27.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 7.
Partly Sunny on Monday Monday... Partly sunny, with a high near 20.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 8.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 22.
Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 06:57 AM
Sunset: 4:30 PM
Civil Sunrise:06:26 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:52 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:19 AM
Astro Sunset: 6:07 PM
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