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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 >

7-Day Forecast 41.51°N 87.64°W (Text-Only)
NWS Forecast for: Chicago Heights IL
Issued by: National Weather Service Chicago, IL
Last Update: 9:31 am CDT Aug 26, 2026		Print

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Mostly clear, with a low around 66. West northwest wind 5 to 10 mph.

    Low: 66 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 81. West northwest wind around 5 mph becoming north northeast in the afternoon. Winds could gust as high as 10 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear


  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny


  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °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 66.

    Low: 66 °F

    Mostly Cloudy


  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny




    • Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Tonight: A 10 percent chance of showers before 7pm. Mostly clear, with a low around 66. West northwest wind 5 to 10 mph.

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 81. West northwest wind around 5 mph becoming north northeast in the afternoon. Winds could gust as high as 10 mph.

    Thursday Night: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Friday: Sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.

    Friday Night: Partly cloudy, with a low around 61.

    Saturday: Mostly sunny, with a high near 81.

    Saturday Night: Mostly cloudy, with a low around 66.

    Sunday: Mostly sunny, with a high near 87.

    Sunday Night: Partly cloudy, with a low around 70.

    Monday: Partly sunny, with a high near 88.

    Monday Night: A chance of showers. Mostly cloudy, with a low around 71.

    Tuesday: A chance of showers. Mostly sunny, with a high near 86.


    Chicago Heights IL
     41.51°N 87.64°W

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