National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

53°F

12°C

Humidity 80%
Wind Speed NW 8 G 17 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 7 Mar 5:52 pm CST
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. South southwest wind around 7 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 61. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 60. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 71. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight. Partly cloudy, with a low around 34. Northwest wind 15 to 17 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 46. South southwest wind around 7 mph.
Monday
Sunny, with a high near 75. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 61. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 60. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 71. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 34. Northwest wind 15 to 17 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 56. Northwest wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 41. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 66. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly cloudy, with a high near 62. Northeast wind 8 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
Last Update:
4:46 pm CST Mar 7, 2026
Forecast Valid:
6pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation