Deer Park, Illinois Weather
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Weather Forecast for Deer Park, Illinois : LaSalle County
Issued: 9:11 pm CDT Sep 17, 2025 Latitude: 41.2950348 Longitude: -89.0361928 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight Sunny on Thursday 20% chance of rain on Friday 20% chance of rain on Saturday 20% chance of thunderstorms on Sunday 20% chance of rain on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
Low: 56°F High: 88°F High: 88°F High: 84°F High: 83°F High: 82°F High: 81°F High: 79°F
Low: 60°F Low: 62°F Low: 62°F Low: 62°F Low: 62°F Low: 58°F  
Mostly Clear Sunny Rain Rain Thunderstorms Rain Mostly Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
68°
Clear
as of 10:15 PM CDST
Rel. Humidity: 64%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
64°
Clear
as of 10:15 PM CDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
64°
Clear
as of 10:15 PM CDST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
64°
Clear
as of 10:15 PM CDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 56. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 88. Calm wind becoming southeast around 5 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 60. East wind around 5 mph.
20% chance of rain Friday Friday... A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 88. East wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 30%.
20% chance of rain Saturday Saturday... A 20 percent chance of showers. Mostly sunny, with a high near 84.
20% chance of rain Saturday Night Saturday Night... A 20 percent chance of showers. Partly cloudy, with a low around 62.
20% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 62.
20% chance of rain Monday Monday... A chance of showers after 1pm. Mostly sunny, with a high near 82.
20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 62.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 81.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 58.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Deer Park, Illinois
Sunrise: 06:39 AM
Sunset: 7:02 PM
Civil Sunrise:06:12 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 8:02 PM
Astro Sunrise: 05:06 AM
Astro Sunset: 8:35 PM
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