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

41°F

5°C

Humidity 89%
Wind Speed NE 9 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 38°F (3°C)
Visibility 6.00 mi
Wind Chill35°F (2°C)
Last update 2 Mar 2:52 pm CST
Extended Forecast for

Murphysboro IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 43. Northeast wind around 7 mph.

    High: 43 °F

    Cloudy

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a low around 39. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 39 °F

    Cloudy then
    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers after 5pm. Mostly cloudy, with a high near 66. Light and variable wind becoming south southwest 5 to 9 mph in the morning.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 6 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southwest wind 6 to 10 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 7 to 10 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 59. South wind around 7 mph.

    Low: 59 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly sunny, with a high near 79. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 79 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Cloudy, with a high near 43. Northeast wind around 7 mph.
Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a low around 39. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers after 5pm. Mostly cloudy, with a high near 66. Light and variable wind becoming south southwest 5 to 9 mph in the morning.
Tuesday Night
A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 6 mph. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southwest wind 6 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 7 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 72. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 59. South wind around 7 mph.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly sunny, with a high near 79. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 21 mph.
Saturday
Showers and possibly a thunderstorm. Cloudy, with a high near 71. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. West southwest wind 5 to 7 mph becoming northwest after midnight.
Sunday
A chance of showers. Mostly cloudy, with a high near 67. South southwest wind 5 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:
1:16 pm CST Mar 2, 2026
Forecast Valid:
3pm CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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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