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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: 6:41 pm CST Dec 24, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Tonight Christmas Day Friday Saturday Sunday Monday Tuesday Wednesday
Patchy Fog on Tonight Cloudy on Christmas Day 20% chance of rain on Friday Mostly Cloudy on Saturday 20% chance of rain on Sunday Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday
Low: 41°F High: 44°F High: 51°F High: 52°F High: 45°F High: 23°F High: 30°F High: 31°F
Low: 41°F Low: 40°F Low: 44°F Low: 14°F Low: 14°F Low: 19°F  
Patchy Fog Cloudy Rain Mostly Cloudy Rain Sunny Partly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
46°
Cloudy
as of 6:35 PM CST
Rel. Humidity: 81%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
50°
Cloudy
as of 6:35 PM CST
Rel. Humidity: 76%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
46°
Cloudy
as of 6:35 PM CST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
3 MPH
110° East
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
48°
Cloudy
as of 6:35 PM CST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: MVFR
Wind Data
8 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 1300ft
Patchy Fog on Tonight Tonight... Drizzle, mainly before 10pm. Patchy fog after 7pm. Otherwise, cloudy, with a low around 41. East southeast wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.

Cloudy on Christmas Day Christmas Day... Cloudy, with a high near 44. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly after midnight. Cloudy, with a low around 41. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

20% chance of rain Friday Friday... A 20 percent chance of rain before noon. Mostly cloudy, with a high near 51. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 40. Northwest wind around 5 mph becoming calm in the evening.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 52.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 44.

20% chance of rain Sunday Sunday... A chance of rain after noon. Mostly cloudy, with a high near 45. Breezy.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 14. Windy.

Sunny on Monday Monday... Sunny, with a high near 23. Windy.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 14.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 30.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 19.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 31.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:20 AM
Sunset: 4:32 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:12 PM
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