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

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

29°C

85°F

Humidity 44%
Wind Speed W 7 km/h
Barometer 30.06 in
Dewpoint 16°C (61°F)
Visibility 16 km
Heat Index29°C (85°F)
Last update 14 Jul 4:35 pm CDT
Extended Forecast for

Markham IL

  • Tonight

    Tonight: Mostly clear, with a low around 20. West wind 5 to 10 km/h becoming east in the evening.

    Low: 20 °C

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. South wind 5 to 15 km/h.

    High: 33 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. South wind 5 to 10 km/h.

    Low: 23 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Heat index values as high as 37. Southwest wind 5 to 15 km/h, with gusts as high as 25 km/h.

    High: 33 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. West southwest wind 10 to 15 km/h.

    Low: 22 °C

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 28.

    High: 28 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 18.

    Low: 18 °C

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °C

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °C

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 20. West wind 5 to 10 km/h becoming east in the evening.
Tuesday
Mostly sunny, with a high near 33. South wind 5 to 15 km/h.
Tuesday Night
Partly cloudy, with a low around 23. South wind 5 to 10 km/h.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. Heat index values as high as 37. Southwest wind 5 to 15 km/h, with gusts as high as 25 km/h.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. West southwest wind 10 to 15 km/h.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 28.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 19.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 30.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 30.
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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:
4:12 pm CDT Jul 14, 2025
Forecast Valid:
4pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
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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