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.

Fog/Mist

46°F

8°C

Humidity 76%
Wind Speed E 9 mph
Barometer 30.15 in
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Wind Chill41°F (5°C)
Last update 4 Mar 11:45 am CST
Extended Forecast for

Romeoville IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm. Cloudy, with a steady temperature around 46. East wind 5 to 10 mph.

    High: 46 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 7pm, then a chance of showers with a slight chance of drizzle between 7pm and midnight, then showers likely after midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 42. East northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before noon, then a chance of showers. Areas of fog. High near 51. East northeast wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers and
    Areas Fog
    then Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 44. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 73. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers, then showers and possibly a thunderstorm after 9pm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Cloudy, with a steady temperature around 46. East wind 5 to 10 mph.
Tonight
A chance of showers before 7pm, then a chance of showers with a slight chance of drizzle between 7pm and midnight, then showers likely after midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 42. East northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers and possibly a thunderstorm before noon, then a chance of showers. Areas of fog. High near 51. East northeast wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Friday
A slight chance of showers before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 73. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Friday Night
A slight chance of showers, then showers and possibly a thunderstorm after 9pm. Low around 52. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before noon. Partly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 70.
Monday Night
A chance of showers. Partly cloudy, with a low around 56.
Tuesday
Showers likely. Mostly cloudy, with a high near 70. Breezy.
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:
11:31 am CST Mar 4, 2026
Forecast Valid:
12pm CST Mar 4, 2026-6pm CDT Mar 10, 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