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.

Rain

35°F

2°C

Humidity 96%
Wind Speed N 10 G 18 mph
Barometer 29.35 in (994.4 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Wind Chill27°F (-3°C)
Last update 15 Mar 6:52 pm CDT
Extended Forecast for

Lake Forest IL

Winter Weather Advisory March 15, 10:00pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain showers, possibly mixed with sleet before midnight, then a chance of rain, snow, freezing rain, and sleet between midnight and 1am, then snow showers after 1am. Patchy blowing snow after 1am. Low around 22. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow showers, mainly before 1pm, then a chance of snow after 1pm. Patchy blowing snow. Temperature falling to around 22 by 9am. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 24 °F⇓

    Snow Showers
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as -2. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. Wind chill values as low as -2. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain showers, possibly mixed with sleet before midnight, then a chance of rain, snow, freezing rain, and sleet between midnight and 1am, then snow showers after 1am. Patchy blowing snow after 1am. Low around 22. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of 1 to 2 inches possible.
Monday
Snow showers, mainly before 1pm, then a chance of snow after 1pm. Patchy blowing snow. Temperature falling to around 22 by 9am. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as -2. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 24. Wind chill values as low as -2. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 41.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
6:56 pm CDT Mar 15, 2026
Forecast Valid:
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 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