Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Thunderstorm Rain Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1015.2 mb)
Dewpoint 60°F (16°C)
Visibility 2.50 mi
Last update 5 Mar 1:52 am CST
Extended Forecast for

Murphysboro IL

Flood Watch until March 5, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 5, 12:00pm

    NOW until 12:00pm Thu

    Flood Watch

  • Overnight

    Low: 60 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm.  Patchy fog before 10am. High near 72. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.  Chance of precipitation is 80%.

    High: 72 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 59. South wind 3 to 7 mph.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers after noon.  Partly sunny, with a high near 77. South wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 61. South wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 71. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming west southwest around 5 mph.

    High: 64 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 60. South southeast wind 7 to 9 mph. Chance of precipitation is 90%.
Thursday
Showers and thunderstorms, mainly before 3pm. Patchy fog before 10am. High near 72. Southeast wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. South wind 3 to 7 mph.
Friday
A 30 percent chance of showers after noon. Partly sunny, with a high near 77. South wind 8 to 16 mph, with gusts as high as 26 mph.
Friday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 71. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 64. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 47. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 56. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday
Showers. Mostly cloudy, with a high near 64. Southwest wind 15 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
1:01 am CST Mar 5, 2026
2am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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