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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: 9:51 pm CST Jan 4, 2026 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Overnight Partly Sunny on Monday Partly Sunny on Tuesday Sunny on Wednesday 20% chance of rain on Thursday 20% chance of rain on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
Low: 32°F High: 44°F High: 50°F High: 52°F High: 52°F High: 45°F High: 36°F High: 32°F
Low: 36°F Low: 32°F Low: 39°F Low: 37°F Low: 30°F Low: 19°F  
Cloudy Partly Sunny Partly Sunny Sunny Rain Rain Mostly Cloudy Mostly Sunny
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Current Conditions at
PERU - (KVYS)
32°
Feels like 23°F
Clear
as of 1:58 AM CST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
36°
Feels like 27°F
Clear
as of 1:55 AM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 18 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
32°
Feels like 23°F
Clear
as of 1:55 AM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
34°
Feels like 24°F
Clear
as of 1:55 AM CST
Rel. Humidity: 69%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 32. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 44. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 36. South southeast wind around 5 mph, with gusts as high as 10 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 50. South southwest wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 15 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 32. West wind around 5 mph, with gusts as high as 15 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 52.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 39.

20% chance of rain Thursday Thursday... A chance of rain after noon. Partly sunny, with a high near 52.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 37.

20% chance of rain Friday Friday... A chance of rain. Mostly cloudy, with a high near 45.

20% chance of rain Friday Night Friday Night... A chance of rain. Mostly cloudy, with a low around 30.

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

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

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 32.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:22 AM
Sunset: 4:41 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:20 PM
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