Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Mostly Cloudy

65°F

18°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.97 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Aug 5:35 am CDT
Extended Forecast for

Chicago Heights IL

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 64. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 84. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: 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.

    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

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 64. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
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.
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.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago Heights IL
 41.51°N 87.64°W
5:01 am CDT Aug 26, 2026
5am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database