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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: 6:26 pm CST Nov 30, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Cloudy on Tonight 100% chance of snow on Monday Partly Sunny on Tuesday 20% chance of snow on Wednesday Sunny on Thursday 20% chance of snow on Friday Mostly Cloudy on Saturday Mostly Cloudy on Sunday
Low: 11°F High: 26°F High: 23°F High: 32°F High: 10°F High: 24°F High: 28°F High: 27°F
Low: 14°F Low: 17°F Low: 1°F Low: -6°F Low: 15°F Low: 19°F  
Mostly Cloudy Snow Partly Sunny Snow Sunny Snow Mostly Cloudy Mostly Cloudy
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Current Conditions at
PERU - (KVYS)
25°
Cloudy
as of 7:55 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: MVFR
Wind Data
8 MPH
270° West
Cloud Level(s): Solid Overcast at 3000ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
25°
Cloudy
as of 7:55 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.47 in.
Flight Rule: MVFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 2700ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
19°
Clear
as of 7:55 PM CST
Rel. Humidity: 100%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
6 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
25°
Cloudy
as of 7:55 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.46 in.
Flight Rule: VFR
Wind Data
8 MPH
280° West
Cloud Level(s): Solid Overcast at 3100ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 11. Northwest wind around 5 mph becoming calm in the evening.

100% chance of snow Monday Monday... Snow, mainly after 1pm. High near 26. Calm wind becoming southeast around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

100% chance of snow Monday Night Monday Night... Snow, mainly before midnight. Low around 14. Calm wind becoming west northwest around 5 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 23. West northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

20% chance of snow Wednesday Wednesday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 32.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 1.

Sunny on Thursday Thursday... Sunny and cold, with a high near 10.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around -6.

20% chance of snow Friday Friday... A chance of snow after noon. Mostly cloudy, with a high near 24.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 15.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 28.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 19.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 27.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:02 AM
Sunset: 4:28 PM
Civil Sunrise:06:31 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 6:06 PM
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