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.

Fog/Mist

50°F

10°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.03 in
Dewpoint 50°F (10°C)
Visibility 4.00 mi
Wind Chill48°F (9°C)
Last update 5 Mar 7:45 pm CST
Extended Forecast for

3 Miles SSW Naperville IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 43. East southeast wind around 5 mph.

    Low: 43 °F

    Patchy Fog
    then Slight
    Chance
    T-storms and
    Areas Fog

  • Friday

    Friday: Showers and thunderstorms likely, mainly before noon. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 71. Breezy, with a southeast wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Areas Fog
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Mostly cloudy, with a high near 62. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 62 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 43. East southeast wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly before noon. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 71. Breezy, with a southeast wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Mostly cloudy, with a high near 62. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 35. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 62. Breezy.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Showers likely, mainly after noon. Partly sunny, with a high near 73.
Tuesday Night
Showers. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers. Mostly cloudy, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Naperville IL
 41.72°N 88.18°W
Last Update:
3:06 pm CST Mar 5, 2026
Forecast Valid:
8pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation