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.

Light Snow Fog/Mist

10°F

-12°C

Humidity 85%
Wind Speed W 20 G 31 mph
Barometer 29.94 in
Dewpoint 7°F (-14°C)
Visibility 0.75 mi
Wind Chill-9°F (-23°C)
Last update 19 Jan 3:15 am CST
Extended Forecast for

Romeoville IL

Cold Weather Advisory January 19, 03:25am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 03:25am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • Overnight

    Low: 1 °F

    Chance Snow
    and Areas
    Blowing Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow before 8am, then a chance of flurries between 8am and noon. Patchy blowing snow before noon. Partly sunny and cold, with a high near 8. Wind chill values as low as -21. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 8 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -11. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. Wind chill values as low as -7. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Cloudy, with a low around 17. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 17 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 5am. Areas of blowing snow. Cloudy, with a low around 1. Wind chill values as low as -17. Blustery, with a west northwest wind around 25 mph, with gusts as high as 40 mph.
M.L.King Day
A slight chance of snow before 8am, then a chance of flurries between 8am and noon. Patchy blowing snow before noon. Partly sunny and cold, with a high near 8. Wind chill values as low as -21. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -11. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 23. Wind chill values as low as -7. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow likely, mainly after midnight. Cloudy, with a low around 17. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
Partly sunny and cold, with a high near 8.
Friday Night
Partly cloudy, with a low around -9.
Saturday
Mostly sunny and cold, with a high near 6.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Mostly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
Last Update:
3:06 am CST Jan 19, 2026
Forecast Valid:
3am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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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