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.

Fog/Mist

54°F

12°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.06 in
Dewpoint 52°F (11°C)
Visibility 4.00 mi
Last update 20 Nov 6:52 pm CST
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: Showers, mainly after 11pm. Patchy fog. Low around 54. Light east southeast wind. Chance of precipitation is 100%.

    Low: 54 °F

    Showers
    Likely and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Areas of fog before noon. High near 67. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 100%.

    High: 67 °F

    Showers and
    Areas Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. North wind around 6 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind 3 to 7 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming south southwest around 5 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Cloudy, with a high near 60. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 60 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 50. South wind around 7 mph.

    Low: 50 °F

    Showers

Detailed Forecast

Tonight
Showers, mainly after 11pm. Patchy fog. Low around 54. Light east southeast wind. Chance of precipitation is 100%.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Areas of fog before noon. High near 67. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. North wind around 6 mph. Chance of precipitation is 70%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 63. Calm wind becoming south southwest around 5 mph.
Sunday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Calm wind.
Monday
Showers likely, mainly after noon. Cloudy, with a high near 60. Calm wind becoming south southeast 5 to 8 mph in the morning.
Monday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 50. South wind around 7 mph.
Tuesday
A chance of showers before noon. Partly sunny, with a high near 65. South southwest wind 6 to 9 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 51. West northwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 30. West northwest wind 3 to 6 mph.
Thanksgiving Day
Mostly sunny, with a high near 47. West northwest wind 3 to 8 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:
6:52 pm CST Nov 20, 2025
Forecast Valid:
7pm CST Nov 20, 2025-6pm CST Nov 27, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation