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

77°F

25°C

Humidity 89%
Wind Speed SE 5 mph
Barometer 30.10 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 2:45 pm CDT
Extended Forecast for

Mokena IL

Flood Watch August 14, 10:00pm until August 15, 10:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 79. East wind around 10 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers and possibly a thunderstorm after 4am. Low around 69. East northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. High near 85. Heat index values as high as 96. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 85 °F

    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 79. East wind around 10 mph.
Tonight
A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers and possibly a thunderstorm after 4am. Low around 69. East northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. High near 85. Heat index values as high as 96. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers. Partly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mokena IL
 41.52°N 87.88°W
Last Update:
2:40 pm CDT Aug 14, 2026
Forecast Valid:
3pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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