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.

A Few Clouds

37°F

3°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.96 in
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 15 Feb 8:45 am CST
Extended Forecast for

Romeoville IL

  • Today

    Today: Patchy fog before 10am. Otherwise, sunny, with a high near 56. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. South southwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of rain and thunderstorms before noon. Mostly sunny, with a high near 65. Breezy.

    High: 65 °F

    Breezy.
    Slight Chance
    T-storms then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after noon. Partly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 56. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tonight
Increasing clouds, with a low around 34. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.
Washington's Birthday
Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 39. South southwest wind 5 to 10 mph becoming southeast after midnight.
Tuesday
Mostly cloudy, with a high near 57. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of rain and thunderstorms before noon. Mostly sunny, with a high near 65. Breezy.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A chance of rain after noon. Partly sunny, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 33.
Friday
A chance of rain and snow. Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
Last Update:
8:57 am CST Feb 15, 2026
Forecast Valid:
9am CST Feb 15, 2026-6pm CST Feb 21, 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