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.

Fair

61°F

16°C

Humidity 59%
Wind Speed NE 14 mph
Barometer 29.87 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 5:55 pm CDT
Extended Forecast for

4 Miles E Oswego IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. East wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 72. East wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 53. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 31. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Oswego IL
 41.71°N 88.27°W
Last Update:
4:06 pm CDT Mar 20, 2026
Forecast Valid:
6pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

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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