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.

Unknown Precip Fog/Mist

23°F

-5°C

Humidity 100%
Wind Speed S 15 G 21 mph
Barometer 30.06 in
Dewpoint 23°F (-5°C)
Visibility 6.00 mi
Wind Chill10°F (-12°C)
Last update 18 Mar 5:10 am CDT
Extended Forecast for

Romeoville IL

  • Overnight

    Overnight: Snow showers. Low around 21. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 21 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers, mainly before 7am. High near 43. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Showers
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after 4am. Mostly cloudy, with a low around 33. South southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before 7am. Partly sunny, with a high near 56. South southeast wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 30%.

    High: 56 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers. Low around 21. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow showers, mainly before 7am. High near 43. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Scattered showers, mainly after 4am. Mostly cloudy, with a low around 33. South southwest wind around 5 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly before 7am. Partly sunny, with a high near 56. South southeast wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south after midnight.
Friday
Mostly cloudy, with a high near 68.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
3:46 am CDT Mar 18, 2026
Forecast Valid:
5am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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