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

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

23°F

-5°C

Humidity 86%
Wind Speed SW 7 mph
Barometer 30.09 in
Dewpoint 19°F (-7°C)
Visibility 8.00 mi
Wind Chill15°F (-9°C)
Last update 2 Feb 3:30 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Overnight

    Overnight: Patchy freezing rain. Cloudy, with a low around 20. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Patchy
    Freezing Rain

  • Monday

    Monday: Patchy freezing rain before 8am. Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 27 °F

    Patchy
    Freezing Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. West northwest wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. North wind 5 to 10 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10. North northwest wind 5 to 10 mph.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy freezing rain. Cloudy, with a low around 20. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
Patchy freezing rain before 8am. Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. West northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 27. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 10. North northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 35.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
Last Update:
2:26 am CST Feb 2, 2026
Forecast Valid:
3am CST Feb 2, 2026-6pm CST Feb 8, 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