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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

77°F

25°C

Humidity 94%
Wind Speed E 3 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 75°F (24°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 10:52 pm CDT
Extended Forecast for

3 Miles NE Pomona IL

Heat Advisory August 17, 11:26pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 11:26pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 109. Calm wind.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Light and variable wind.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 89. North wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. North northeast wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. North wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Calm wind.
Monday
Sunny, with a high near 96. Heat index values as high as 109. Calm wind.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Light and variable wind.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 89. North wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 88. North wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 67. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 68. Light north northeast wind.
Saturday
Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. North northwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Pomona IL
 37.68°N 89.32°W
Last Update:
10:30 pm CDT Aug 17, 2025
Forecast Valid:
11pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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