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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: 2:36 am CST Dec 6, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Overnight Mostly Cloudy on Saturday 40% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday 20% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday
Low: 28°F High: 28°F High: 24°F High: 21°F High: 36°F High: 36°F High: 27°F High: 18°F
Low: 24°F Low: 5 °F Low: 12°F Low: 32°F Low: 16°F Low: 11°F  
Cloudy Mostly Cloudy Snow Partly Sunny Mostly Cloudy Rain & Snow Snow Partly Sunny
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Current Conditions at
PERU - (KVYS)
32°
Feels like 23°F
Cloudy
as of 2:55 AM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: MVFR
Wind Data
12 MPH
290° West
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
30°
Feels like 20°F
Cloudy
as of 2:55 AM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
12 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
30°
Feels like 21°F
Cloudy
as of 2:55 AM CST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Scattered at 1700ft, Solid Overcast at 5000ft
Cloudy on Overnight Overnight... Cloudy, with a steady temperature around 28. West wind 5 to 10 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 28. West wind around 5 mph becoming calm in the afternoon.

100% chance of freezing rain & snow Saturday Night Saturday Night... Snow before 3am, then snow, possibly mixed with freezing rain between 3am and 5am, then snow after 5am. Low around 24. East southeast wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

40% chance of snow Sunday Sunday... A 40 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 24. North wind 10 to 15 mph, with gusts as high as 20 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 5. North wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 15 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 21.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 12.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 36.

70% chance of rain Tuesday Night Tuesday Night... Rain likely. Cloudy, with a low around 32. Breezy.

20% chance of rain & snow Wednesday Wednesday... A chance of rain before noon, then a chance of snow. Mostly cloudy, with a high near 36. Breezy.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16.

20% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 27.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 11.

Partly Sunny on Friday Friday... Partly sunny, with a high near 18.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:08 AM
Sunset: 4:27 PM
Civil Sunrise:06:37 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:06 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.