Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

46°F

8°C

Humidity 100%
Wind Speed W 7 mph
Barometer 30.07 in
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Wind Chill42°F (6°C)
Last update 20 Nov 7:45 pm CST
Extended Forecast for

Romeoville IL

  • Tonight

    Tonight: Patchy drizzle before 3am.  Patchy fog after midnight.  Otherwise, cloudy, with a low around 43. South southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 43 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of rain after noon.  Cloudy, with a high near 49. North wind 5 to 10 mph.

    High: 49 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 32. North wind around 5 mph.

    Low: 32 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50. North wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

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

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: A chance of rain after noon.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

Tonight
Patchy drizzle before 3am. Patchy fog after midnight. Otherwise, cloudy, with a low around 43. South southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.
Friday
A 20 percent chance of rain after noon. Cloudy, with a high near 49. North wind 5 to 10 mph.
Friday Night
A 20 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 32. North wind around 5 mph.
Saturday
Sunny, with a high near 50. North wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph.
Saturday Night
Mostly clear, with a low around 36. Southwest wind around 5 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A chance of rain after noon. Mostly cloudy, with a high near 55.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
A chance of rain before noon. Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 26.
Thanksgiving Day
Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.63°N 88.07°W
7:26 pm CST Nov 20, 2025
8pm CST Nov 20, 2025-6pm CST Nov 27, 2025
 
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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