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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: 2:01 pm CST Jan 13, 2026 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday M.L.King Day
Mostly Cloudy on This Afternoon Flurries on Tonight Flurries on Wednesday Sunny on Thursday 60% chance of snow on Friday 20% chance of snow on Saturday Partly Sunny on Sunday Partly Sunny on M.L.King Day
High: 52°F Low: 27°F High: 23 °F High: 27°F High: 36°F High: 17°F High: 18°F High: 18°F
Low: 15°F Low: 23°F Low: 14°F Low: 6°F Low: 8°F  
Mostly Cloudy Flurries Flurries Sunny Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
46°
Feels like 41°F
Clear
as of 1:59 PM CST
Rel. Humidity: 65%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
12 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
46°
Feels like 40°F
Clear
as of 1:55 PM CST
Rel. Humidity: 65%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.59 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 20 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
46°
Feels like 40°F
Clear
as of 1:55 PM CST
Rel. Humidity: 70%
Dew Point: 37°F
Pressure: 29.65 in.
Wind Data
14 MPH
Gust: 21 MPH
240° Southwest
Cloud Level(s): Clear
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy early, then becoming sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Flurries on Tonight Tonight... Scattered flurries after 4am. Increasing clouds, with a low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph.

Flurries on Wednesday Wednesday... Scattered flurries. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 15. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunny on Thursday Thursday... Sunny, with a high near 27. North northwest wind around 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

70% chance of snow Thursday Night Thursday Night... Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.

60% chance of snow Friday Friday... A chance of snow before noon, then snow showers likely after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

20% chance of snow Friday Night Friday Night... A chance of snow showers. Mostly cloudy, with a low around 14.

20% chance of snow Saturday Saturday... A chance of snow showers after noon. Mostly cloudy, with a high near 17.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 6.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 18.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 8.

Partly Sunny on M.L.King Day M.L.King Day... Partly sunny, with a high near 18.

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
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.