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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: 11:56 pm CST Nov 26, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Overnight Thanksgiving Day Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Overnight Mostly Sunny on Thanksgiving Day Sunny on Friday 100% chance of snow on Saturday Mostly Cloudy on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday
Low: 24°F High: 34°F High: 32°F High: 32°F High: 28°F High: 17°F High: 20°F High: 29°F
Low: 20°F Low: 23°F Low: 25°F Low: 6°F Low: 4°F Low: 9°F  
Mostly Cloudy Mostly Sunny Sunny Snow Mostly Cloudy Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
30°
Feels like 18°F
Cloudy
as of 11:55 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 25 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
28°
Feels like 15°F
Cloudy
as of 11:55 PM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 28 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
30°
Feels like 18°F
Cloudy
as of 11:55 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 23 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 3100ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
28°
Feels like 14°F
Cloudy
as of 11:55 PM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: MVFR
Wind Data
23 MPH
Gust: 32 MPH
290° West
Cloud Level(s): Solid Overcast at 2900ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 24. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 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 25 mph.
Sunny on Friday Friday... Sunny, with a high near 32. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
70% chance of snow Friday Night Friday Night... Snow likely after midnight. Mostly cloudy, with a low around 23. Light and variable wind becoming southeast 5 to 10 mph after midnight. Chance of precipitation is 70%.
100% chance of snow Saturday Saturday... Snow. The snow could be heavy at times. High near 32. Chance of precipitation is 100%.
90% chance of snow Saturday Night Saturday Night... Snow, mainly before midnight. Low around 25. Chance of precipitation is 90%.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 28.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 6.
Partly Sunny on Monday Monday... Partly sunny, with a high near 17.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 4.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 20.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 9.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 29.
Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 06:59 AM
Sunset: 4:29 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:07 PM
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