Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

37°F

3°C

Humidity 75%
Wind Speed NE 7 mph
Barometer 30.12 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 1 May 10:10 pm CDT
Extended Forecast for

Romeoville IL

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Widespread frost, mainly after 5am.  Otherwise, partly cloudy, with a low around 34. East northeast wind around 5 mph becoming calm  after midnight.

    Low: 34 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am.  Otherwise, mostly sunny, with a high near 55. Light northwest wind becoming north northwest 5 to 10 mph in the morning.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming south in the evening.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly cloudy, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 34. East northeast wind around 5 mph becoming calm after midnight.
Saturday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 55. Light northwest wind becoming north northwest 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming south in the evening.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
9:06 pm CDT May 1, 2026
10pm CDT May 1, 2026-6pm CDT May 8, 2026
 
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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