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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

8°F

-13°C

Humidity 87%
Wind Speed Calm
Barometer 30.48 in (1033.0 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 20 Jan 5:52 am CST
Extended Forecast for

Murphysboro IL

  • Today

    Today: Sunny, with a high near 35. Light south southwest wind becoming south 6 to 11 mph in the morning.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near 28 by 11pm, then rising to around 34 during the remainder of the night. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 28 °F⇑

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers between 7am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 46. South southwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Southwest wind around 5 mph becoming light and variable.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 40. North wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 24. North wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 17. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 35. Light south southwest wind becoming south 6 to 11 mph in the morning.
Tonight
Increasing clouds, with a temperature falling to near 28 by 11pm, then rising to around 34 during the remainder of the night. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers between 7am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 46. South southwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 25. Southwest wind around 5 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 40. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 17. Calm wind becoming north 5 to 8 mph after midnight.
Friday
Mostly cloudy, with a high near 24. North wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 6. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 17. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 8. North wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 23. North wind 6 to 8 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 7. West wind around 5 mph.
Monday
Sunny, with a high near 27. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
Last Update:
4:31 am CST Jan 20, 2026
Forecast Valid:
6am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation