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.

Partly Cloudy

25°C

77°F

Humidity 74%
Wind Speed SW 17 km/h
Barometer 29.97 in
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 18 Aug 3:45 pm CDT
Extended Forecast for

Mokena IL

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 27. West southwest wind around 20 km/h, with gusts as high as 30 km/h.

    High: 27 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers. Mostly cloudy, with a low around 18. Southwest wind 10 to 15 km/h, with gusts as high as 25 km/h. Chance of precipitation is 50%.

    Low: 18 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 26. West wind 5 to 10 km/h becoming north northeast in the afternoon.

    High: 26 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 16. East northeast wind 5 to 10 km/h becoming calm in the evening.

    Low: 16 °C

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 26. Calm wind.

    High: 26 °C

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 26.

    High: 26 °C

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers before 1am. Partly cloudy, with a low around 17.

    Low: 17 °C

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 27. West southwest wind around 20 km/h, with gusts as high as 30 km/h.
Tonight
A chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers. Mostly cloudy, with a low around 18. Southwest wind 10 to 15 km/h, with gusts as high as 25 km/h. Chance of precipitation is 50%.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 26. West wind 5 to 10 km/h becoming north northeast in the afternoon.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 16. East northeast wind 5 to 10 km/h becoming calm in the evening.
Thursday
Sunny, with a high near 26. Calm wind.
Thursday Night
Mostly clear, with a low around 16.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 26.
Friday Night
A chance of showers before 1am. Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mokena IL
 41.54°N 87.88°W
Last Update:
2:56 pm CDT Aug 18, 2026
Forecast Valid:
4pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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