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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: 11:41 am CST Dec 23, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Christmas Day Friday Saturday Sunday Monday
Mostly Sunny on Today Cloudy on Tonight 60% chance of rain on Wednesday Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday Sunny on Monday
High: 49°F Low: 30°F High: 44°F High: 44°F High: 51°F High: 54°F High: 30°F High: 24°F
Low: 39°F Low: 40°F Low: 41°F Low: 24°F Low: 12°F  
Mostly Sunny Cloudy Rain Cloudy Partly Sunny Mostly Cloudy Mostly Sunny Sunny
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Current Conditions at
PERU - (KVYS)
48°
Clear
as of 11:35 AM CST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
48°
Clear
as of 11:35 AM CST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
3 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
48°
Feels like 44°F
Clear
as of 11:35 AM CST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
9 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
50°
Feels like 45°F
Clear
as of 11:35 AM CST
Rel. Humidity: 76%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
10 MPH
280° West
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 49. West northwest wind 5 to 10 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 30. Northwest wind around 5 mph becoming east after midnight.

60% chance of rain Wednesday Wednesday... Areas of drizzle with scattered showers between noon and 3pm, then showers likely with intermittent drizzle after 3pm. Mostly cloudy, with a high near 44. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

60% chance of rain Wednesday Night Wednesday Night... Showers likely with intermittent drizzle before midnight, then patchy drizzle with isolated showers between midnight and 3am. Patchy fog. Otherwise, cloudy, with a low around 39. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.

Cloudy on Christmas Day Christmas Day... Cloudy, with a high near 44. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

60% chance of rain Thursday Night Thursday Night... Rain likely, mainly after midnight. Cloudy, with a low around 40. Chance of precipitation is 60%.

Partly Sunny on Friday Friday... Partly sunny, with a high near 51.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 41.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 54.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 24. Blustery.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 30. Blustery.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 12. Blustery.

Sunny on Monday Monday... Sunny, with a high near 24. Blustery.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:20 AM
Sunset: 4:31 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:11 PM
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