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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: 11:46 am CST Dec 8, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Partly Sunny on Today Mostly Cloudy on Tonight Mostly Cloudy on Tuesday 30% chance of rain & snow on Wednesday 30% chance of snow on Thursday 20% chance of snow on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
High: 21°F Low: 26 °F High: 35°F High: 34°F High: 25°F High: 19°F High: 8°F High: 16°F
Low: 33°F Low: 15°F Low: 12°F Low: -1°F Low: 0°F  
Partly Sunny Mostly Cloudy Mostly Cloudy Rain & Snow Snow Snow Partly Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
19°
Cloudy
as of 11:35 AM CST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 8000ft, Solid Overcast at 10000ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
19°
Cloudy
as of 11:35 AM CST
Rel. Humidity: 62%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
19°
Partly Cloudy
as of 11:35 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 9500ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
19°
Clear
as of 11:35 AM CST
Rel. Humidity: 62%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
3 MPH
110° East
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny, with a high near 21. South southeast wind around 5 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a temperature rising to around 26 by 5am. South southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 35. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
70% chance of rain Tuesday Night Tuesday Night... Rain likely, mainly before midnight. Cloudy, with a low around 33. Breezy, with a south wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%.
30% chance of rain & snow Wednesday Wednesday... A chance of rain and snow before 9am, then a chance of snow. Mostly cloudy, with a high near 34. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15.
30% chance of snow Thursday Thursday... A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 25.
20% chance of snow Thursday Night Thursday Night... A chance of snow before midnight. Mostly cloudy, with a low around 12.
20% chance of snow Friday Friday... A chance of snow after noon. Mostly cloudy, with a high near 19.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -1.
Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 8.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 0.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 16.
Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:10 AM
Sunset: 4:27 PM
Civil Sunrise:06:39 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:06 PM
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