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.

Overcast

41°F

5°C

Humidity 96%
Wind Speed E 3 mph
Barometer 29.67 in (1005.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 11 Mar 1:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Patchy fog. Otherwise, cloudy, with a low around 38. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 2pm. Some thunder is also possible. Temperature falling to around 35 by 1pm. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F⇓

    Rain then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 47. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 38. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 48. Windy.

    High: 48 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Cloudy, with a high near 40.

    High: 40 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 33.

    Low: 33 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Patchy fog. Otherwise, cloudy, with a low around 38. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and snow, becoming all snow after 2pm. Some thunder is also possible. Temperature falling to around 35 by 1pm. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain and snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 47. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 38. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 48. Windy.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A chance of snow after 1pm. Cloudy, with a high near 40.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 33.
Sunday
Rain. Cloudy, with a high near 46. Breezy.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 17. Blustery.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
1:56 am CDT Mar 11, 2026
Forecast Valid:
2am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation