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.

Mostly Cloudy

64°F

18°C

Humidity 87%
Wind Speed Calm
Barometer 30.10 in (1018.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 11:52 pm CDT
Extended Forecast for

Northfield IL

  • Overnight

    Overnight: Partly cloudy, with a low around 62. Calm wind becoming west around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 78. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. Calm wind becoming west around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 78. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 61. North northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northfield IL
 42.1°N 87.78°W
Last Update:
12:11 am CDT Aug 21, 2026
Forecast Valid:
12am CDT Aug 21, 2026-6pm CDT Aug 27, 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