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Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

19°C

66°F

Humidity 87%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 17°C (62°F)
Visibility 11 km
Last update 19 Jul 11:35 pm CDT
Extended Forecast for

Markham IL

  • Tonight

    Tonight: Widespread smoke. Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °C

    Smoke

  • Monday

    Monday: Widespread smoke before 1pm. Partly sunny, with a high near 30. South southwest wind 5 to 15 km/h increasing to 15 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.

    High: 30 °C

    Smoke

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly between 1am and 4am. Mostly cloudy, with a low around 23. South southwest wind 20 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 23 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 30. West southwest wind 20 to 25 km/h becoming northwest in the afternoon. Winds could gust as high as 40 km/h.

    High: 30 °C

    Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 18. North wind 20 to 25 km/h, with gusts as high as 35 km/h.

    Low: 18 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 23.

    High: 23 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 26.

    High: 26 °C

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °C

    Partly Cloudy

Detailed Forecast

Tonight
Widespread smoke. Partly cloudy, with a low around 18. Calm wind.
Monday
Widespread smoke before 1pm. Partly sunny, with a high near 30. South southwest wind 5 to 15 km/h increasing to 15 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.
Monday Night
Showers and thunderstorms likely, mainly between 1am and 4am. Mostly cloudy, with a low around 23. South southwest wind 20 to 25 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Tuesday
A 30 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 30. West southwest wind 20 to 25 km/h becoming northwest in the afternoon. Winds could gust as high as 40 km/h.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 18. North wind 20 to 25 km/h, with gusts as high as 35 km/h.
Wednesday
Sunny, with a high near 23.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Sunny, with a high near 26.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Markham IL
 41.6°N 87.7°W
Last Update:
8:41 pm CDT Jul 19, 2026
Forecast Valid:
11pm CDT Jul 19, 2026-6pm CDT Jul 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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