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.

Fair

86°F

30°C

Humidity 75%
Wind Speed W 7 G 15 mph
Barometer 29.86 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 9 Jul 3:45 pm CDT
Extended Forecast for

Romeoville IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly cloudy, with a high near 85. West wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. West wind around 5 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers then
    Isolated
    T-storms and
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers before 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Northeast wind 5 to 10 mph.

    High: 83 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. North northeast wind 5 to 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. East northeast wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 85. West wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly before midnight. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. West wind around 5 mph becoming east after midnight. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers before 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 64. North northeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 85. East northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.07°W
Last Update:
4:16 pm CDT Jul 9, 2026
Forecast Valid:
4pm CDT Jul 9, 2026-6pm CDT Jul 16, 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