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

54°F

12°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 30.36 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 1 Nov 8:45 am CST
Extended Forecast for

Romeoville IL

  • Today

    Today: Isolated showers. Mostly cloudy, with a high near 65. South southeast wind around 5 mph. Chance of precipitation is 20%.

    High: 65 °F

    Isolated
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 53. South southeast wind 5 to 10 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Cloudy, with a low around 59. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Slight Chance
    Showers then
    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after noon. Cloudy, with a high near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 73 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Partly sunny, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

Today
Isolated showers. Mostly cloudy, with a high near 65. South southeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 53. South southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers before midnight. Cloudy, with a low around 59. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Rain likely, mainly after noon. Cloudy, with a high near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 57. Chance of precipitation is 80%.
Wednesday
Rain likely. Partly sunny, with a high near 67. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.65°N 88.07°W
Last Update:
8:17 am CST Nov 1, 2026
Forecast Valid:
9am CST Nov 1, 2026-6pm CST Nov 7, 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