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

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

66°F

19°C

Humidity 56%
Wind Speed N 8 mph
Barometer 29.58 in (1001.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 22 Mar 3:52 am CDT
Extended Forecast for

Buffalo Grove IL

  • Today

    Today: A slight chance of rain between noon and 4pm. Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 44 °F⇓

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. North wind around 5 mph, with gusts as high as 10 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. East wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of rain between noon and 4pm. Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 28. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 44. North wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly cloudy, with a low around 30. East wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Tuesday
Mostly cloudy, with a high near 55. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo Grove IL
 42.15°N 87.98°W
Last Update:
3:06 am CDT Mar 22, 2026
Forecast Valid:
4am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
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