Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

39°F

4°C

Humidity 67%
Wind Speed SW 9 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 5 Jan 7:52 am CST
Extended Forecast for

Murphysboro IL

  • Today

    Today: Sunny, with a high near 58. South southwest wind 7 to 10 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 50. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. South southwest wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. West wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 48. South wind 5 to 8 mph.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers.  High near 63. South wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 55. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 66. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 58. South southwest wind 7 to 10 mph.
Tonight
Partly cloudy, with a steady temperature around 50. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 64. South southwest wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 48. South wind 5 to 8 mph.
Thursday
Showers. High near 63. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. South southwest wind around 10 mph, with gusts as high as 18 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 66. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers before midnight. Partly cloudy, with a low around 37. West wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 48. West wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 26. Northwest wind around 8 mph.
Sunday
Sunny, with a high near 40. Northwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.75°N 89.34°W
4:41 am CST Jan 5, 2026
8am CST Jan 5, 2026-6pm CST Jan 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database