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 43%
Wind Speed NW 18 G 33 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Apr 4:52 pm CDT
Extended Forecast for

Wilmette IL

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

  • Tonight

    Tonight: Mostly clear, with a low around 38. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A slight chance of rain and snow showers before 9am, then a chance of rain showers. Mostly sunny, with a high near 51. West southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 35. North northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 49. East southeast wind 5 to 10 mph.

    High: 49 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
A slight chance of rain and snow showers before 9am, then a chance of rain showers. Mostly sunny, with a high near 51. West southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Sunday Night
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 35. North northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 49. East southeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 43. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmette IL
 42.06°N 87.75°W
Last Update:
4:21 pm CDT Apr 18, 2026
Forecast Valid:
5pm CDT Apr 18, 2026-6pm CDT Apr 25, 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