National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 12 Sep 7:45 am CDT
Extended Forecast for

Mokena IL

  • Today

    Today: Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West northwest wind around 5 mph becoming north after midnight.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 76. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 75. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Tonight
Partly cloudy, with a low around 62. West northwest wind around 5 mph becoming north after midnight.
Sunday
A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 76. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North wind around 5 mph, with gusts as high as 10 mph.
Monday
Mostly sunny, with a high near 75. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Wednesday
Showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64.
Thursday
A chance of showers. Mostly cloudy, with a high near 78.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mokena IL
 41.54°N 87.88°W
Last Update:
3:06 am CDT Sep 12, 2026
Forecast Valid:
7am CDT Sep 12, 2026-6pm CDT Sep 18, 2026
 
Forecast Discussion
 
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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