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

80°F

27°C

Humidity 45%
Wind Speed S 5 mph
Barometer 29.85 in (1010.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Mar 1:52 pm CDT
Extended Forecast for

Gorham IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Southwest wind around 6 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South southwest wind 6 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 58. North northeast wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Northeast wind 6 to 8 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. Southeast wind around 6 mph.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. East southeast wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. South wind 3 to 8 mph.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 61. South southwest wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 85. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 58. North northeast wind 10 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 41. Northeast wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 63. Southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 45. East southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 74. South wind 3 to 8 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 57. South southwest wind around 8 mph.
Thursday
Sunny, with a high near 84. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48. South southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.
Friday
A chance of showers. Partly sunny, with a high near 59. North wind around 11 mph, with gusts as high as 20 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:
1:26 pm CDT Mar 21, 2026
Forecast Valid:
2pm CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation