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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: 4:26 am CST Jan 22, 2026 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of snow on Today 20% chance of snow on Tonight Mostly Sunny on Friday 30% chance of snow on Saturday 40% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday
High: 28°F Low: -8°F High: 0 °F High: 9 °F High: 15°F High: 14°F High: 24°F High: 21°F
Low: -5°F Low: 4 °F Low: -2°F Low: 5°F Low: 9°F  
Snow Snow Mostly Sunny Snow Snow Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
18°
Feels like 5°F
Clear
as of 4:19 AM CST
Rel. Humidity: 61%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
10 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
18°
Feels like 6°F
Clear
as of 4:15 AM CST
Rel. Humidity: 57%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
9 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
16°
Feels like 0°F
Clear
as of 4:15 AM CST
Rel. Humidity: 66%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 18 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
18°
Feels like 3°F
Clear
as of 4:15 AM CST
Rel. Humidity: 57%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
14 MPH
260° West
Cloud Level(s): Clear
20% chance of snow Today Today... A chance of flurries after noon. Increasing clouds, with a high near 28. Wind chill values as low as 1. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.

20% chance of snow Tonight Tonight... A chance of flurries before midnight. Partly cloudy, with a low around -8. Wind chill values as low as -27. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Mostly Sunny on Friday Friday... Mostly sunny and cold, with a high near 0. Wind chill values as low as -30. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -5. Wind chill values as low as -20. North wind 5 to 10 mph.

30% chance of snow Saturday Saturday... A 30 percent chance of snow after noon. Mostly cloudy and cold, with a high near 9. East northeast wind around 5 mph, with gusts as high as 15 mph.

60% chance of snow Saturday Night Saturday Night... Snow likely, mainly after midnight. Cloudy, with a low around 4. Chance of precipitation is 60%.

40% chance of snow Sunday Sunday... A 40 percent chance of snow. Mostly cloudy, with a high near 15.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -2.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 14.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 5.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 24.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 9.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 21.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:16 AM
Sunset: 5:00 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:30 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:36 PM
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