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.

Overcast

30°F

-1°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 29.96 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 6 Dec 4:48 pm CST
Extended Forecast for

Lockport IL

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A slight chance of flurries. Cloudy, with a high near 31. South southeast wind around 5 mph.

    High: 31 °F

    Slight Chance
    Flurries

  • Tonight

    Tonight: Snow, mainly after 11pm. Low around 26. South southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Snow likely before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 18 by 5pm. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 28 °F⇓

    Snow Likely
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Low: 11 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 34.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Cloudy, with a high near 37.

    High: 37 °F

    Chance
    Rain/Snow
    then Cloudy

Detailed Forecast

This Afternoon
A slight chance of flurries. Cloudy, with a high near 31. South southeast wind around 5 mph.
Tonight
Snow, mainly after 11pm. Low around 26. South southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 18 by 5pm. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 21. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
Rain. Cloudy, with a low around 34.
Wednesday
A chance of rain and snow before noon. Cloudy, with a high near 37.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 17.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Partly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lockport IL
 41.59°N 88.05°W
Last Update:
3:11 pm CST Dec 6, 2025
Forecast Valid:
5pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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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