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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Light Snow Blowing Snow and Breezy

16°F

-9°C

Humidity 84%
Wind Speed W 22 G 31 mph
Barometer 29.86 in (1012.9 mb)
Dewpoint 12°F (-11°C)
Visibility 0.75 mi
Wind Chill-2°F (-19°C)
Last update 19 Jan 1:53 am CST
Extended Forecast for

Merrionette Park IL

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Overnight

    Overnight: Snow, mainly before 3am. Widespread blowing snow, mainly before 3am. Low around 2. Wind chill values as low as -14. Blustery, with a west northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 2 °F

    Snow and
    Blowing Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow before 8am, then a chance of flurries between 8am and noon. Patchy blowing snow before noon. Partly sunny and cold, with a steady temperature around 6. Wind chill values as low as -19. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 6 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 23. Wind chill values as low as -7. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Cloudy, with a low around 17. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 17 °F

    Slight Chance
    Snow then
    Snow Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 3am. Widespread blowing snow, mainly before 3am. Low around 2. Wind chill values as low as -14. Blustery, with a west northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
M.L.King Day
A slight chance of snow before 8am, then a chance of flurries between 8am and noon. Patchy blowing snow before noon. Partly sunny and cold, with a steady temperature around 6. Wind chill values as low as -19. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 23. Wind chill values as low as -7. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow likely, mainly after midnight. Cloudy, with a low around 17. 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 before noon. Mostly cloudy, with a high near 31.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Partly sunny and cold, with a high near 10.
Friday Night
Partly cloudy, with a low around -7.
Saturday
Mostly sunny and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 15.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrionette Park IL
 41.71°N 87.72°W
Last Update:
1:41 am CST Jan 19, 2026
Forecast Valid:
2am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

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Chance of Precipitation