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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

77°F

25°C

Humidity 90%
Wind Speed S 7 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 30 Jun 5:52 am CDT
Extended Forecast for

5 Miles ESE Cobden IL

Extreme Heat Warning June 30, 05:56am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 05:56am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. Light south wind.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Light south wind.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 110. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tonight
Clear, with a low around 73. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 75. Light south wind.
Thursday
Sunny, with a high near 95. Light south wind.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Light and variable wind.
Friday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Calm wind.
Independence Day
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light west wind.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west northwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Cobden IL
 37.52°N 89.16°W
Last Update:
4:21 am CDT Jun 30, 2026
Forecast Valid:
5am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
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