Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed NE 9 mph
Barometer 30.18 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Sep 10:52 am CDT
Extended Forecast for

4 Miles SE Pinckneyville IL

  • Today

    Today: Mostly cloudy, with a high near 73. North northeast wind 7 to 10 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. North northeast wind 5 to 9 mph becoming light.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North northeast wind 3 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Northeast wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Northeast wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79. Light east wind.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 73. North northeast wind 7 to 10 mph.
Tonight
Mostly cloudy, with a low around 57. North northeast wind 5 to 9 mph becoming light.
Wednesday
Mostly cloudy, with a high near 76. North wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 56. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 78. North northeast wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 57. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 80. Northeast wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 54. Northeast wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 79. Light east wind.
Saturday Night
Mostly cloudy, with a low around 55. Calm wind.
Sunday
Mostly sunny, with a high near 82. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Pinckneyville IL
 38.04°N 89.33°W
10:51 am CDT Sep 22, 2026
11am CDT Sep 22, 2026-6pm CDT Sep 28, 2026
 
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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