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.

Overcast

51°F

11°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Feb 10:53 pm CST
Extended Forecast for

Summit Argo IL

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 41. South southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain and possibly a thunderstorm after midnight. Low around 51. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 64. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon. Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before midnight. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 41. South southeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain, then rain and possibly a thunderstorm after midnight. Low around 51. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 64. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 42. West southwest wind 5 to 10 mph becoming east southeast after midnight.
Thursday
A 50 percent chance of rain after noon. Partly sunny, with a high near 59.
Thursday Night
Rain, mainly before midnight. Low around 38. Chance of precipitation is 80%.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit Argo IL
 41.78°N 87.83°W
Last Update:
9:36 pm CST Feb 16, 2026
Forecast Valid:
11pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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