Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

63°F

17°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 3:50 am CDT
Extended Forecast for

Mokena IL

  • Today

    Today: Sunny, with a high near 78. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West northwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 15 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 4pm.  High near 71. Light east wind becoming east northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 58. Northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 78. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 59. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Sunday
Showers, with thunderstorms also possible after 4pm. High near 71. Light east wind becoming east northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 58. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Mokena IL
 41.52°N 87.88°W
4:16 am CDT Jun 20, 2026
4am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database