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.

Mostly Cloudy

54°F

12°C

Humidity 72%
Wind Speed S 12 mph
Barometer 29.93 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 21 Mar 10:45 am CDT
Extended Forecast for

4 Miles E Oswego IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 10am and 4pm. Mostly cloudy, with a temperature falling to around 42 by 5pm. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 48 °F⇓

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 47. North wind around 5 mph, with gusts as high as 15 mph.

    High: 47 °F

    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 57.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 46. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers between 10am and 4pm. Mostly cloudy, with a temperature falling to around 42 by 5pm. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 47. North wind around 5 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 46.
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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:
11:16 am CDT Mar 21, 2026
Forecast Valid:
11am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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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