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.

Overcast

18°F

-8°C

Humidity 68%
Wind Speed W 8 mph
Barometer 30.34 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 7 Dec 9:30 pm CST
Extended Forecast for

Lockport IL

  • Tonight

    Tonight: Isolated flurries before 11pm, then isolated snow showers between 11pm and 1am. Mostly cloudy, with a low around 13. North wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 20%.

    Low: 13 °F

    Isolated Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 23. East wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 26 by 5am. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 30%.

    High: 36 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow

Detailed Forecast

Tonight
Isolated flurries before 11pm, then isolated snow showers between 11pm and 1am. Mostly cloudy, with a low around 13. North wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 23. East wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 26 by 5am. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Rain likely. Cloudy, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 8.
Friday
Mostly cloudy, with a high near 16.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Partly sunny and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
Mostly sunny, with a high near 13.
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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:
8:46 pm CST Dec 7, 2025
Forecast Valid:
9pm CST Dec 7, 2025-6pm CST Dec 14, 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