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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

81°F

27°C

Humidity 69%
Wind Speed SW 10 mph
Barometer 29.92 in (1012.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 27 Jun 4:52 pm CDT
Extended Forecast for

6 Miles NNE Gorham IL

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Flood Watch June 27, 05:26pm until June 28, 07:00am
Heat Advisory June 28, 12:00pm until June 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Flood Watch
Heat Advisory
  •  
    Flood Watch June 27, 05:26pm until June 28, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • This Afternoon

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 89. South southwest wind 3 to 8 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 5 to 8 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. South southwest wind 5 to 8 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind 3 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 3 to 6 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Light south wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 5 to 8 mph.
Monday
Sunny, with a high near 92. South southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 74. South wind 3 to 7 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Light south wind.
Wednesday Night
Mostly clear, with a low around 75. Light south wind.
Thursday
Sunny, with a high near 92. Light south wind.
Thursday Night
Mostly clear, with a low around 75. Light and variable wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Independence Day
A chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Gorham IL
 37.8°N 89.45°W
Last Update:
4:41 pm CDT Jun 27, 2026
Forecast Valid:
5pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation