Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Light Rain

72°F

22°C

Humidity 100%
Wind Speed S 8 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 26 Jul 4:30 am CDT
Extended Forecast for

Mokena IL

Flood Watch July 26, 05:02am until July 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 26, 05:02am until July 26, 07:00pm

    NOW until 7:00pm Sat

    Flood Watch

  • Overnight

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Mostly cloudy, with a high near 84. South southwest wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 10pm.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming north in the evening. Winds could gust as high as 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 90. Heat index values as high as 101. West southwest wind around 5 mph becoming northwest in the morning. Winds could gust as high as 10 mph.

    High: 90 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South southwest wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 84. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming north in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90. Heat index values as high as 101. West southwest wind around 5 mph becoming northwest in the morning. Winds could gust as high as 10 mph.
Sunday Night
Partly cloudy, with a low around 74. South southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Mokena IL
 41.54°N 87.88°W
4:26 am CDT Jul 26, 2025
5am CDT Jul 26, 2025-6pm CDT Aug 1, 2025
 
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Additional Resources

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