National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

77°F

25°C

Humidity 85%
Wind Speed SE 3 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 8 Aug 7:52 am CDT
Extended Forecast for

4 Miles SE Pinckneyville IL

  • Today

    Today: Sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southeast wind 6 to 8 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. South wind 7 to 11 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind 5 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South wind 5 to 8 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind 5 to 7 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South wind 3 to 7 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. South southeast wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 94 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 95. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 73. South southeast wind 6 to 8 mph.
Saturday
Sunny, with a high near 94. South wind 7 to 11 mph.
Saturday Night
Mostly clear, with a low around 72. South wind 5 to 8 mph.
Sunday
Sunny, with a high near 95. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 72. South wind 5 to 7 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South wind 3 to 7 mph.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. South southeast wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Pinckneyville IL
 38.04°N 89.33°W
Last Update:
7:00 am CDT Aug 8, 2025
Forecast Valid:
8am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation