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.

Partly Cloudy

32°F

0°C

Humidity 64%
Wind Speed SE 10 mph
Barometer 29.92 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 26 Feb 8:50 am CST
Extended Forecast for

4 Miles E Oswego IL

  • Today

    Today: Mostly sunny, with a high near 43. East southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 62 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 30. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Cloudy, with a high near 38. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

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

    High: 31 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

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

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 43. East southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 30. South southwest wind around 5 mph, with gusts as high as 10 mph.
Friday
Sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Increasing clouds, with a low around 30. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.
Saturday
A 40 percent chance of snow after noon. Cloudy, with a high near 38. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 20.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
A chance of rain. Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Oswego IL
 41.71°N 88.27°W
Last Update:
8:41 am CST Feb 26, 2026
Forecast Valid:
9am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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