National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

45°F

7°C

Humidity 35%
Wind Speed Calm
Barometer 30.09 in (1019.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Nov 11:52 am CST
Extended Forecast for

Deer Park IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. Northwest wind around 5 mph becoming east.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 1am. Low around 38. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Occasional rain or drizzle, mainly before noon. High near 41. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 38. Northeast wind 5 to 10 mph.

    Low: 38 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46. East southeast wind around 5 mph.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. Northwest wind around 5 mph becoming east.
Tonight
Rain, mainly after 1am. Low around 38. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Occasional rain or drizzle, mainly before noon. High near 41. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Cloudy, with a low around 38. Northeast wind 5 to 10 mph.
Wednesday
Cloudy, with a high near 46. East southeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Partly sunny, with a high near 48.
Friday Night
A chance of rain before midnight. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.16°N 88.1°W
Last Update:
11:41 am CST Nov 17, 2025
Forecast Valid:
12pm CST Nov 17, 2025-6pm CST Nov 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation