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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

82°F

28°C

Humidity 85%
Wind Speed S 7 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 25 Jul 9:52 pm CDT
Extended Forecast for

Pomona IL

Extreme Heat Watch July 28, 12:00pm until July 29, 08:00pm
Heat Advisory July 25, 09:56pm until July 27, 07:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  •  
    Heat Advisory July 25, 09:56pm until July 27, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. South southwest wind 6 to 10 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Heat index values as high as 108. South southwest wind around 6 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 7pm.  Mostly clear, with a low around 77. South southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Light southwest wind.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Light and variable wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. South southwest wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 108. South southwest wind around 6 mph.
Sunday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 77. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Sunny, with a high near 96. Light southwest wind.
Monday Night
Mostly clear, with a low around 78. Calm wind.
Tuesday
Sunny and hot, with a high near 97. Calm wind.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Calm wind.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light north northeast wind.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. North northeast wind 5 to 7 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North northeast wind around 7 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Pomona IL
 37.64°N 89.35°W
8:46 pm CDT Jul 25, 2025
9pm CDT Jul 25, 2025-6pm CDT Aug 1, 2025
 
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Additional Resources

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