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

63°F

17°C

Humidity 84%
Wind Speed SE 5 mph
Barometer 30.19 in (1022.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Apr 10:52 pm CDT
Extended Forecast for

3 Miles WNW Mulkeytown IL

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South southeast wind 3 to 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers between 10am and 1pm. Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 83 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. South southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South southwest wind 7 to 10 mph.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. South southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 82. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers between 10am and 1pm. Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 68. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 86. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. South southwest wind around 14 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South southwest wind 7 to 10 mph.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Southwest wind 7 to 11 mph.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 61. South wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind around 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. West wind 10 to 15 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mulkeytown IL
 37.97°N 89.19°W
Last Update:
10:56 pm CDT Apr 11, 2026
Forecast Valid:
11pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation