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

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

49°F

9°C

Humidity 39%
Wind Speed NW 16 G 26 mph
Barometer 30.12 in (1020.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 2:52 pm CDT
Extended Forecast for

Arlington Heights IL

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: Isolated showers before 4pm. Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 47 °F

    Isolated
    Showers

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 31 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 53. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 53 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Isolated showers before 4pm. Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 53. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. Breezy.
Friday
A chance of showers. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
3:36 pm CDT Apr 19, 2026
Forecast Valid:
3pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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