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

59°F

15°C

Humidity 48%
Wind Speed W 13 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Apr 10:52 am CDT
Extended Forecast for

3 Miles WNW Mulkeytown IL

  • Today

    Today: Sunny, with a high near 67. West wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. West wind around 6 mph becoming light and variable after midnight.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light and variable wind becoming east around 6 mph in the morning.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South southeast wind around 6 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Southwest wind 6 to 11 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. South wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. West wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 41. West wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 67. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 49. South southeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Clear, with a low around 55. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 6 mph.
Thursday
Sunny, with a high near 82. South wind 7 to 16 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind around 11 mph, with gusts as high as 21 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. South southwest wind 13 to 16 mph, with gusts as high as 23 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72. North northwest wind 9 to 11 mph, with gusts as high as 18 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:
9:06 am CDT Apr 19, 2026
Forecast Valid:
10am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation