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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy and Windy

67°F

19°C

Humidity 63%
Wind Speed S 33 G 52 mph
Barometer 29.53 in (999.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Mar 11:52 am CDT
Extended Forecast for

Murphysboro IL

High Wind Warning until March 15, 01:00pm
Click here for hazard details and duration
...
  •  
    High Wind Warning until March 15, 01:00pm

    NOW until 1:00pm Sun

    High Wind Warning

  • This Afternoon

    High: 70 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 25. Breezy, with a west wind around 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Breezy. Heavy
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 34 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 17. West northwest wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 39. Northwest wind around 6 mph becoming west southwest in the afternoon.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. South wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. South southwest wind 5 to 8 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 70. Breezy, with a south wind 22 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 25. Breezy, with a west wind around 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Monday
A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 17. West northwest wind 8 to 16 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 39. Northwest wind around 6 mph becoming west southwest in the afternoon.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. South wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 60. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 43. South southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 70. South southwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 75. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 50. South southwest wind around 8 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 69. North northwest wind 8 to 10 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:
11:26 am CDT Mar 15, 2026
Forecast Valid:
12pm CDT Mar 15, 2026-6pm CDT Mar 21, 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