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

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

27°F

-3°C

Humidity 64%
Wind Speed SW 13 G 21 mph
Barometer 29.81 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 5 Dec 8:55 pm CST
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: A chance of snow, mixing with freezing rain after midnight, then gradually ending. Cloudy, with a low around 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Saturday

    Saturday: Mostly cloudy, with a high near 28. West wind 5 to 10 mph becoming light west northwest in the afternoon.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a temperature rising to around 26 by 5am. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F⇑

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 26. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 12. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 12 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely

Detailed Forecast

Tonight
A chance of snow, mixing with freezing rain after midnight, then gradually ending. Cloudy, with a low around 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 28. West wind 5 to 10 mph becoming light west northwest in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a temperature rising to around 26 by 5am. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 26. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 12. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 22.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Rain likely. Cloudy, with a low around 32.
Wednesday
A chance of rain and snow showers before noon, then a chance of snow showers. Cloudy, with a high near 36.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 16.
Thursday
Mostly cloudy, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 19.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
6:16 pm CST Dec 5, 2025
Forecast Valid:
9pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
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