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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles NW Pomona IL

Heat Advisory August 13, 01:12am until August 13, 11:00am
Extreme Heat Warning August 13, 11:00am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 13, 01:12am until August 13, 11:00am

    NOW until 11:00am Thu

    Heat Advisory

  • Overnight

    Low: 79 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 8am. Mostly sunny, with a high near 96. Heat index values as high as 108. South wind 3 to 6 mph.

    High: 96 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind around 6 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South wind around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Southwest wind 3 to 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 77. South wind 3 to 5 mph.

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Light and variable wind becoming west southwest around 5 mph in the morning.

    High: 99 °F

    Hot

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 79. South southwest wind 3 to 6 mph.
Thursday
A 20 percent chance of showers before 8am. Mostly sunny, with a high near 96. Heat index values as high as 108. South wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 77. South wind around 6 mph.
Saturday
Sunny and hot, with a high near 99. Southwest wind 3 to 5 mph.
Saturday Night
Clear, with a low around 77. South wind 3 to 5 mph.
Sunday
Sunny and hot, with a high near 99. Light and variable wind becoming west southwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 75. Light and variable wind.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. North northeast wind 3 to 6 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 89. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 72. Calm wind.
Wednesday
Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Pomona IL
 37.68°N 89.4°W
Last Update:
12:36 am CDT Aug 13, 2026
Forecast Valid:
1am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation