Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Mostly Cloudy

75°F

24°C

Humidity 64%
Wind Speed SW 8 mph
Barometer 30.19 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 11:15 am CDT
Extended Forecast for

South Chicago Heights IL

  • Today

    Today: Partly sunny, with a high near 81. South southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of sprinkles before 8pm.  Mostly cloudy, with a low around 67. South wind around 10 mph.

    Low: 67 °F

    Slight Chance
    Sprinkles

  • Sunday

    Sunday: Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 70. South southwest wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 90. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
A slight chance of sprinkles before 8pm. Mostly cloudy, with a low around 67. South wind around 10 mph.
Sunday
Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 70. South southwest wind around 10 mph.
Monday
Partly sunny, with a high near 90. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A chance of showers. Partly cloudy, with a low around 69.
Friday
Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
South Chicago Heights IL
 41.48°N 87.65°W
10:34 am CDT Aug 29, 2026
11am CDT Aug 29, 2026-6pm CDT Sep 4, 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