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

48°F

9°C

Humidity 71%
Wind Speed S 16 G 23 mph
Barometer 29.80 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 9 Mar 2:10 am CDT
Extended Forecast for

4 Miles E Oswego IL

  • Overnight

    Overnight: Clear, with a steady temperature around 46. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. South southwest wind 5 to 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Partly sunny, with a high near 66. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 41. East northeast wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 41 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Rain likely before 4pm, then a chance of rain and snow. Some thunder is also possible. Cloudy, with a high near 48. Breezy. Chance of precipitation is 70%.

    High: 48 °F

    Rain Likely
    then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Rain Likely
    and Breezy

Detailed Forecast

Overnight
Clear, with a steady temperature around 46. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 73. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 54. South southwest wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Partly sunny, with a high near 66. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 41. East northeast wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Wednesday
Rain likely before 4pm, then a chance of rain and snow. Some thunder is also possible. Cloudy, with a high near 48. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 38. Breezy.
Friday
Mostly sunny, with a high near 50. Breezy.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A chance of snow. Cloudy, with a high near 46.
Saturday Night
A chance of rain. Cloudy, with a low around 36.
Sunday
Rain likely. Cloudy, with a high near 51. Breezy.
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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:
2:36 am CDT Mar 9, 2026
Forecast Valid:
2am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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