Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

70°F

21°C

Humidity 73%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 9:55 am CDT
Extended Forecast for

Mokena IL

  • Today

    Today: Showers, with thunderstorms also possible after 3pm.  Temperature falling to around 64 by 5pm. South southeast wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then showers likely.  Low around 59. East northeast wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 59 °F

    Showers then
    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. North northeast wind around 5 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 3pm. Temperature falling to around 64 by 5pm. South southeast wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 59. East northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday
A 20 percent chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 52. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 75. North northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Wednesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mokena IL
 41.54°N 87.88°W
9:41 am CDT Jun 21, 2026
10am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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