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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: 3:11 pm CST Jan 27, 2026 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
20% chance of blowing snow on This Afternoon Mostly Clear on Tonight Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Cloudy on Monday
High: 16°F Low: 1 °F High: 18°F High: 15°F High: 15°F High: 22°F High: 25°F High: 28°F
Low: 1 °F Low: 0°F Low: 4°F Low: 6°F Low: 14°F  
Blowing Snow Mostly Clear Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
PERU - (KVYS)
16°
Feels like 0°F
Clear
as of 3:22 PM CST
Rel. Humidity: 52%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 21 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
16°
Feels like 2°F
Clear
as of 3:15 PM CST
Rel. Humidity: 47%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
16°
Feels like -1°F
Clear
as of 3:15 PM CST
Rel. Humidity: 52%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 24 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
16°
Feels like -1°F
Clear
as of 3:15 PM CST
Rel. Humidity: 52%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 26 MPH
290° West
Cloud Level(s): Clear
20% chance of blowing snow This Afternoon This Afternoon... A chance of flurries before 4pm. Patchy blowing snow. Mostly sunny, with a high near 16. Wind chill values as low as -3. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 1. Wind chill values as low as -11. West wind 5 to 10 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 18. Wind chill values as low as -11. West wind 10 to 15 mph, with gusts as high as 20 mph.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 1. Wind chill values as low as -8. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 15. North northwest wind around 5 mph, with gusts as high as 15 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 0.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 15.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 4.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 22.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 6.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 25.
20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 14.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 28.
Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:12 AM
Sunset: 5:06 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 6:09 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:42 PM
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