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.

Partly Cloudy

81°F

27°C

Humidity 53%
Wind Speed N 8 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 3 Aug 1:52 pm CDT
Extended Forecast for

Murphysboro IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Northeast wind 6 to 8 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Northeast wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Light east southeast wind.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Light east southeast wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light southeast wind.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Northeast wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 64. Northeast wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Light east southeast wind.
Tuesday Night
Mostly clear, with a low around 68. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 89. Light southeast wind.
Thursday Night
Mostly clear, with a low around 69. Light southeast wind.
Friday
Sunny, with a high near 91. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Southeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 92. South wind 3 to 6 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:
1:45 pm CDT Aug 3, 2025
Forecast Valid:
2pm CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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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