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Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Light Drizzle

66°F

19°C

Humidity 98%
Wind Speed NE 8 mph
Barometer 29.96 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Sep 2:55 pm CDT
Extended Forecast for

Chicago Heights IL

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 65. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 7pm. Cloudy, with a low around 57. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Cloudy, with a high near 63. East northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Cloudy, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 65. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 7pm. Cloudy, with a low around 57. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of showers before 1pm. Cloudy, with a high near 63. East northeast wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Cloudy, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago Heights IL
 41.51°N 87.64°W
Last Update:
2:46 pm CDT Sep 20, 2026
Forecast Valid:
3pm CDT Sep 20, 2026-6pm CDT Sep 26, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation