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

23°F

-5°C

Humidity 64%
Wind Speed NE 7 mph
Barometer 30.39 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 23 Feb 5:35 pm CST
Extended Forecast for

Markham IL

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Northeast wind around 5 mph becoming calm.

    Low: 19 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 42 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 36. West northwest wind 5 to 15 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly sunny, with a high near 40.

    High: 40 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 19. Northeast wind around 5 mph becoming calm.
Tuesday
Mostly cloudy, with a high near 42. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 26. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 36. West northwest wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Partly sunny, with a high near 34.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
A chance of snow. Mostly cloudy, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Markham IL
 41.6°N 87.7°W
Last Update:
4:46 pm CST Feb 23, 2026
Forecast Valid:
5pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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