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.

Thunderstorm

70°F

21°C

Humidity 57%
Wind Speed W 7 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Apr 3:53 pm CDT
Extended Forecast for

Blue Island IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 73. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 4am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming south after midnight.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 73. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 4am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51.
Monday
Showers likely. Mostly cloudy, with a high near 68.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Island IL
 41.66°N 87.69°W
Last Update:
4:11 pm CDT Apr 21, 2026
Forecast Valid:
4pm CDT Apr 21, 2026-6pm CDT Apr 28, 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