Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fog/Mist

70°F

21°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 26 Jul 6:35 am CDT
Extended Forecast for

Chicago Heights IL

  • Today

    Today: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 88. Heat index values as high as 97. Southwest wind 5 to 10 mph.

    High: 88 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 73. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 97. Southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 86.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago Heights IL
 41.51°N 87.64°W
3:21 am CDT Jul 26, 2026
6am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database