Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed W 8 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 16 Aug 8:52 am CDT
Extended Forecast for

2 Miles WSW Cobden IL

Extreme Heat Warning August 16, 09:41am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 16, 09:41am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms before 7am.  Mostly sunny, with a high near 88. North northwest wind 5 to 7 mph.

    High: 88 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Light north northeast wind.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.

    High: 93 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 70. North northeast wind 3 to 6 mph.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 110. West southwest wind around 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 73. Light and variable wind.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. North northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 68. Light north northeast wind.
Tuesday
Sunny, with a high near 91. Calm wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. North northeast wind 3 to 6 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85. Northeast wind 3 to 6 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 65. Light north wind.
Saturday
Mostly sunny, with a high near 87. Calm wind becoming north around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Cobden IL
 37.52°N 89.3°W
9:16 am CDT Aug 16, 2026
9am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
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Additional Resources

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