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.

A Few Clouds

21°F

-6°C

Humidity 68%
Wind Speed SE 7 mph
Barometer 30.27 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 8 Dec 4:45 pm CST
Extended Forecast for

Lockport IL

  • Tonight

    Tonight: A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 25 by 5am. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 16 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of rain after 5pm. Cloudy, with a high near 36. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before midnight. Low around 32. Breezy, with a south southwest wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Breezy. Rain
    then Chance
    Rain

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Cloudy, with a high near 34. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 23.

    High: 23 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 25 by 5am. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
A 30 percent chance of rain after 5pm. Cloudy, with a high near 36. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Rain, mainly before midnight. Low around 32. Breezy, with a south southwest wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Snow likely, mainly before noon. Cloudy, with a high near 34. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 23.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 11.
Friday
A chance of snow. Mostly cloudy, with a high near 22.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Mostly cloudy and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly cloudy, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lockport IL
 41.61°N 88.05°W
Last Update:
3:11 pm CST Dec 8, 2025
Forecast Valid:
5pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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Additional Resources

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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