National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

43°F

6°C

Humidity 57%
Wind Speed E 10 mph
Barometer 29.68 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Mar 4:35 am CDT
Extended Forecast for

4 Miles E Oswego IL

Wind Advisory March 15, 01:00pm until March 15, 09:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a steady temperature around 39. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 60. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 60 °F

    Showers and
    Windy

  • Sunday Night

    Sunday Night: Rain showers before 1am, then rain and snow showers likely between 1am and 2am, then snow showers likely after 2am. Some thunder is also possible. Patchy blowing snow after 1am. Low around 23. Blustery, with a south southwest wind 20 to 25 mph becoming west northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Patchy blowing snow. Cloudy, with a high near 23. Windy, with a west northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.

    Low: 20 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a steady temperature around 39. Southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 60. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain showers before 1am, then rain and snow showers likely between 1am and 2am, then snow showers likely after 2am. Some thunder is also possible. Patchy blowing snow after 1am. Low around 23. Blustery, with a south southwest wind 20 to 25 mph becoming west northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
Snow showers likely, mainly before 1pm. Patchy blowing snow. Cloudy, with a high near 23. Windy, with a west northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 10. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 61.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 53.
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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:
4:31 am CDT Mar 15, 2026
Forecast Valid:
4am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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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