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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed N 3 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Last update 16 Aug 12:52 am CDT
Extended Forecast for

Gorham IL

Heat Advisory August 16, 12:00pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Clear, with a low around 74. Calm wind.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Light south wind.

    High: 96 °F

    Sunny

  • Saturday Night

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

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Light south southeast wind.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Light south southeast wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Light south wind.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Calm wind becoming west around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. North northwest wind 3 to 6 mph.

    Low: 74 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 74. Calm wind.
Saturday
Sunny, with a high near 96. Light south wind.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 99. Light south southeast wind.
Sunday Night
Mostly clear, with a low around 76. Light south southeast wind.
Monday
Sunny and hot, with a high near 101. Light south wind.
Monday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 101. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. North northwest wind 3 to 6 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. North wind 5 to 7 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. North northeast wind around 7 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 67. Northeast wind 3 to 7 mph.
Friday
Sunny, with a high near 90. North northeast wind 3 to 6 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:
11:15 pm CDT Aug 15, 2025
Forecast Valid:
1am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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