National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

67°F

19°C

Humidity 71%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Sep 8:55 am CDT
Extended Forecast for

Markham IL

  • Today

    Today: Sunny, with a high near 82. South southeast wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. West wind around 5 mph becoming north after midnight.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80. North wind around 5 mph, with gusts as high as 10 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. South southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 66. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 66. West wind around 5 mph becoming north after midnight.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80. North wind around 5 mph, with gusts as high as 10 mph.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 64.
Wednesday
Showers likely. Mostly cloudy, with a high near 78.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 65.
Thursday
A chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Markham IL
 41.6°N 87.7°W
Last Update:
3:10 am CDT Sep 11, 2026
Forecast Valid:
9am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
Forecast Discussion
 
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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