Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

78°F

26°C

Humidity 67%
Wind Speed W 9 mph
Barometer 29.91 in (1012.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 10:53 am CDT
Extended Forecast for

Blue Island IL

  • Today

    Today: A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm.  Mostly clear, with a low around 67. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Slight Chance
    Showers then
    Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 3pm.  Mostly sunny, with a high near 80. West northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 10 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 67. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 80. West northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers after 1am. Partly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 87.
Monday Night
A chance of showers. Mostly cloudy, with a low around 72.
Tuesday
A chance of showers. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Island IL
 41.66°N 87.69°W
11:01 am CDT Aug 26, 2026
11am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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