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Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

73°F

23°C

Humidity 65%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Jul 9:15 pm CDT
Extended Forecast for

4 Miles SW Naperville IL

  • Tonight

    Tonight: Widespread haze before midnight. Patchy fog after midnight. Otherwise, mostly clear, with a low around 64. Northwest wind around 5 mph becoming calm.

    Low: 64 °F

    Haze then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the morning.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 70. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Widespread haze before midnight. Patchy fog after midnight. Otherwise, mostly clear, with a low around 64. Northwest wind around 5 mph becoming calm.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 70. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84.
Thursday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Naperville IL
 41.7°N 88.22°W
Last Update:
8:56 pm CDT Jul 13, 2025
Forecast Valid:
9pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation