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

74°F

23°C

Humidity 46%
Wind Speed S 16 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 31 Mar 9:52 pm CDT
Extended Forecast for

3 Miles WSW Cobden IL

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 10am and 3pm. Partly sunny, with a high near 81. South southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

    High: 79 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 59. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. South southwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of showers and thunderstorms between 10am and 3pm. Partly sunny, with a high near 81. South southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 59. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind around 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 56. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 35. North wind 5 to 9 mph.
Monday
Sunny, with a high near 61. Northeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 40. East wind around 5 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 68. South southeast wind 5 to 8 mph becoming north northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Cobden IL
 37.5°N 89.3°W
Last Update:
6:26 pm CDT Mar 31, 2026
Forecast Valid:
10pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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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