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

60°F

16°C

Humidity 38%
Wind Speed NE 6 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 1 May 6:52 pm CDT
Extended Forecast for

5 Miles ENE Cobden IL

  • Tonight

    Tonight: Partly cloudy, with a low around 43. North northeast wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 11am and noon. Mostly sunny, with a high near 62. Calm wind becoming north northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 56. South southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of thunderstorms before 7am, then a slight chance of showers after 1pm. Mostly sunny, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 70 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 49. West wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 49 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. North northeast wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers between 11am and noon. Mostly sunny, with a high near 62. Calm wind becoming north northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 70. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 56. South southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
A slight chance of thunderstorms before 7am, then a slight chance of showers after 1pm. Mostly sunny, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind 11 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 49. West wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. North wind around 9 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45. North wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 71. Southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Cobden IL
 37.56°N 89.18°W
Last Update:
6:31 pm CDT May 1, 2026
Forecast Valid:
7pm CDT May 1, 2026-6pm CDT May 8, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation