Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

43°F

6°C

Humidity 38%
Wind Speed SW 15 G 23 mph
Barometer 30.35 in (1028.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Jan 10:52 am CST
Extended Forecast for

Murphysboro IL

  • Today

    Today: Sunny, with a high near 51. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. South southwest wind 7 to 10 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph becoming west northwest after midnight.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 45. North northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 45 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. North northwest wind 9 to 18 mph, with gusts as high as 26 mph.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 32. North northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 32 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 51. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 34. South southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 60. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph becoming west northwest after midnight.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 45. North northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 19. North northwest wind 9 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 32. North northwest wind 6 to 9 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind around 10 mph.
Saturday
Partly sunny, with a high near 34. West wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind around 9 mph.
Sunday
Sunny, with a high near 30. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
10:57 am CST Jan 12, 2026
11am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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