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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 5 Aug 9:52 am CDT
Extended Forecast for

Gorham IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. South wind 3 to 5 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South southeast wind 3 to 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly cloudy, with a high near 86. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. South southwest wind around 6 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south southwest wind.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of thunderstorms before 7am. Mostly sunny, with a high near 90. Light south southwest wind. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind becoming south around 5 mph after midnight.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southwest wind 5 to 8 mph.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. South wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 71. South southeast wind 3 to 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Mostly cloudy, with a high near 86. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. South southwest wind around 6 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south southwest wind.
Saturday
A chance of thunderstorms before 7am. Mostly sunny, with a high near 90. Light south southwest wind. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Sunday
Sunny, with a high near 91. South southwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 74. South wind around 7 mph.
Monday
Sunny, with a high near 93. South southwest wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 76. South wind 9 to 11 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind around 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Gorham IL
 37.71°N 89.48°W
Last Update:
11:20 am CDT Aug 5, 2026
Forecast Valid:
12pm CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
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Additional Resources

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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