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.

Fog/Mist

61°F

16°C

Humidity 97%
Wind Speed Calm
Barometer 30.17 in (1021.4 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 4 Oct 12:52 am CDT
Extended Forecast for

2 Miles WSW Cobden IL

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, clear, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. Light south southeast wind.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 3 to 8 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Southeast wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southeast wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 50%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 58. North wind around 7 mph.

    Low: 58 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, clear, with a low around 58. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming south southeast 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 56. Light south southeast wind.
Sunday
Sunny, with a high near 85. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. Southeast wind 3 to 5 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 58. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. North northeast wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 51. Northeast wind around 6 mph.
Thursday
Sunny, with a high near 72. East northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 50. Light east northeast wind.
Friday
Sunny, with a high near 76. Calm wind becoming south southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Cobden IL
 37.52°N 89.3°W
Last Update:
1:16 am CDT Oct 4, 2025
Forecast Valid:
1am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation