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.

Fair

34°F

1°C

Humidity 87%
Wind Speed S 5 mph
Barometer 30.33 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Apr 5:52 am CDT
Extended Forecast for

Lockport IL

Freeze Warning April 20, 06:44am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 06:44am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 56 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 74. North wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Tonight
Partly cloudy, with a low around 45. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 74. North wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62.
Friday
Showers likely. Mostly cloudy, with a high near 73.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lockport IL
 41.61°N 88.05°W
Last Update:
5:41 am CDT Apr 20, 2026
Forecast Valid:
6am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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