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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

92°F

33°C

Humidity 56%
Wind Speed S 8 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 16 Aug 11:52 am CDT
Extended Forecast for

3 Miles NNE Pomona IL

Heat Advisory August 16, 12:00pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 96. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. Light south southeast wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind.

    High: 99 °F

    Hot

  • Monday Night

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

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. North wind 3 to 7 mph.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 74. Light south southeast wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind.
Sunday Night
Mostly clear, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 99. Calm wind.
Monday Night
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. North wind 3 to 7 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. North wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 86. North northeast wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 67. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Pomona IL
 37.68°N 89.32°W
Last Update:
11:46 am CDT Aug 16, 2025
Forecast Valid:
11am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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