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.

Overcast

36°F

2°C

Humidity 87%
Wind Speed SW 9 mph
Barometer 29.95 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Mar 4:55 am CDT
Extended Forecast for

4 Miles SSW Naperville IL

  • Today

    Today: Sunny, with a high near 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 74 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 100%.

    Low: 43 °F

    T-storms

  • Wednesday

    Wednesday: Rain showers before 1pm, then rain and snow showers likely. High near 52. Breezy. Chance of precipitation is 90%.

    High: 52 °F

    Showers then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am. Partly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 71. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 52. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 100%.
Wednesday
Rain showers before 1pm, then rain and snow showers likely. High near 52. Breezy. Chance of precipitation is 90%.
Wednesday Night
A chance of snow before 1am. Partly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Breezy.
Friday
Mostly cloudy, with a high near 53. Breezy.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
A chance of snow. Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Naperville IL
 41.7°N 88.19°W
Last Update:
4:06 am CDT Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 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