National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

86°F

30°C

Humidity 40%
Wind Speed N 8 G 17 mph
Barometer 29.99 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 27 Aug 4:52 pm CDT
Extended Forecast for

Gorham IL

  • Tonight

    Tonight: Mostly clear, with a low around 65. North wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Light east northeast wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Light south southeast wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South wind 3 to 5 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. South wind 5 to 9 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind 3 to 6 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 65. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. Light east northeast wind.
Saturday
Sunny, with a high near 88. Light and variable wind.
Saturday Night
Mostly clear, with a low around 66. Light south southeast wind.
Sunday
Sunny, with a high near 93. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 71. South wind 3 to 5 mph.
Monday
Sunny, with a high near 94. South wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 74. South wind 3 to 6 mph.
Tuesday
Sunny, with a high near 95. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Light south southwest wind.
Thursday
Sunny, with a high near 96. Southwest wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gorham IL
 37.71°N 89.48°W
Last Update:
4:16 pm CDT Aug 27, 2026
Forecast Valid:
5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation