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

Heat Wave Continues; Areas of Severe Thunderstorms and Heavy Rain

Prolonged and intense heat wave continues into Friday with relief expected by this weekend. Extreme Heat Warnings and Heat Advisories remain in effect for portions of the Ohio Valley and the Southeast. Unsettled weather could produce severe weather and excessive rainfall for parts of the Central and Eastern U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

78°F

26°C

Humidity 74%
Wind Speed SW 6 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Jun 4:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 88. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85. North wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. East southeast wind around 5 mph becoming south after midnight.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southwest wind around 10 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 88. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 66. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 85. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 70. East southeast wind around 5 mph becoming south after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 84.
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:
4:26 am CDT Jun 27, 2025
Forecast Valid:
5am CDT Jun 27, 2025-6pm CDT Jul 3, 2025
 
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