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

60°F

16°C

Humidity 93%
Wind Speed S 10 mph
Barometer 29.61 in (1002.7 mb)
Dewpoint 58°F (14°C)
Visibility 5.00 mi
Last update 19 Feb 7:52 am CST
Extended Forecast for

Murphysboro IL

  • Today

    Today: Showers and thunderstorms likely before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. South wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. West wind 8 to 13 mph becoming light northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Calm wind becoming north around 6 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 48. North wind 6 to 9 mph.

    High: 48 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 40. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20. North northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 37 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. South wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tonight
Mostly clear, with a low around 39. West wind 10 to 13 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 53. West wind 8 to 13 mph becoming light northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 33. Calm wind becoming north around 6 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 48. North wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 40. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 20. North northwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 37. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 19. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 48. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 59. South southwest wind 13 to 17 mph, with gusts as high as 28 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:
7:02 am CST Feb 19, 2026
Forecast Valid:
8am CST Feb 19, 2026-6pm CST Feb 25, 2026
 
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