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

45°F

7°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 29.87 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Mar 3:50 am CDT
Extended Forecast for

4 Miles E Oswego IL

  • Today

    Today: Partly sunny, with a high near 67. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North wind 5 to 10 mph becoming east after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 65. Breezy, with a west southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.

    High: 65 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 67. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 39. North wind 5 to 10 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 65. Breezy, with a west 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 32.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of showers. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Oswego IL
 41.71°N 88.27°W
Last Update:
3:26 am CDT Mar 20, 2026
Forecast Valid:
4am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation