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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: 12:46 am CST Jan 13, 2026 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday M.L.King Day
Mostly Cloudy on Overnight Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Snow on Friday 20% chance of snow on Saturday Partly Sunny on Sunday Mostly Sunny on M.L.King Day
Low: 33°F High: 51°F High: 31°F High: 26°F High: 34°F High: 19°F High: 17°F High: 22°F
Low: 29°F Low: 14°F Low: 22°F Low: 14°F Low: 5°F Low: 7°F  
Mostly Cloudy Partly Sunny Mostly Cloudy Mostly Sunny Snow Snow Partly Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
36°
Clear
as of 1:19 AM CST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
36°
Clear
as of 1:15 AM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
32°
Clear
as of 1:15 AM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
6 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
37°
Clear
as of 1:15 AM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 33. South southwest wind around 10 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 51. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29. Blustery, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 31. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 14. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 26.
60% chance of snow Thursday Night Thursday Night... Snow likely, mainly after midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Snow on Friday Friday... Snow likely, mainly after noon. Cloudy, with a high near 34.
20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 14.
20% chance of snow Saturday Saturday... A chance of snow after noon. Mostly cloudy, with a high near 19.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 5.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 17.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 7.
Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 22.
Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:20 AM
Sunset: 4:50 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:27 PM
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