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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles WSW Murphysboro IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Calm wind becoming south around 6 mph in the morning.

    High: 89 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 64. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Partly cloudy, with a low around 70. Light south wind.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Calm wind becoming south around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89. Calm wind becoming south southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Light south wind.
Sunday
Sunny, with a high near 91. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 5 to 7 mph.
Monday
Sunny, with a high near 93. South southwest wind 5 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Murphysboro IL
 37.75°N 89.37°W
Last Update:
2:20 am CDT Aug 4, 2026
Forecast Valid:
2am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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