url:
Deer Park, Illinois Weather Forecast
Deer Park, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Deer Park, Illinois : LaSalle County
Issued: 2:41 pm CST Jan 15, 2026 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday M.L.King Day Tuesday Wednesday Thursday
80% chance of snow on Tonight 40% chance of snow on Friday 20% chance of snow on Saturday Partly Sunny on Sunday Mostly Sunny on M.L.King Day Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday
Low: 28 °F High: 36°F High: 18°F High: 21°F High: 11°F High: 23°F High: 28°F High: 30°F
Low: 14°F Low: 8 °F Low: 4 °F Low: 4°F Low: 17°F Low: 12°F  
Snow Snow Snow Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
-
Current Conditions at
PERU - (KVYS)
Clear
as of 3:55 PM CST
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 16 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
25°
Clear
as of 4:15 PM CST
Rel. Humidity: 45%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
25°
Feels like 15°F
Partly Cloudy
as of 4:15 PM CST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Scattered at 11000ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
25°
Feels like 14°F
Clear
as of 4:15 PM CST
Rel. Humidity: 49%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
10 MPH
220° Southwest
Cloud Level(s): Clear
80% chance of snow Tonight Tonight... Snow. Temperature rising to around 28 by 5am. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

40% chance of snow Friday Friday... A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

30% chance of snow Friday Night Friday Night... A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as zero. West northwest wind around 15 mph, with gusts as high as 20 mph.

20% chance of snow Saturday Saturday... A chance of flurries. Partly sunny, with a high near 18. Wind chill values as low as zero. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

20% chance of snow Saturday Night Saturday Night... A chance of flurries before midnight. Mostly cloudy, with a low around 8. West wind 10 to 15 mph, with gusts as high as 20 mph.

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

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 4. Blustery.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 11. Blustery.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 4.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 23.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 17.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 28.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 12.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 30.

Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 07:20 AM
Sunset: 4:52 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:29 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.