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

58°F

14°C

Humidity 78%
Wind Speed Calm
Barometer 30.01 in (1016.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 6 Oct 8:52 pm CDT
Extended Forecast for

3 Miles E Pinckneyville IL

  • Tonight

    Tonight: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming north around 6 mph in the morning.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light northeast wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Southeast wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light south southeast wind becoming south 8 to 13 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming west southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. Light and variable wind.
Thursday
Sunny, with a high near 85. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Clear, with a low around 53. Light northeast wind.
Friday
Sunny, with a high near 84. Southeast wind 3 to 8 mph.
Friday Night
Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 87. Light south southeast wind becoming south 8 to 13 mph in the morning.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph.
Sunday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 78. East wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 58. East southeast wind around 6 mph becoming light and variable.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. South southwest wind 5 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Pinckneyville IL
 38.08°N 89.32°W
Last Update:
7:20 pm CDT Oct 6, 2026
Forecast Valid:
9pm CDT Oct 6, 2026-6pm CDT Oct 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation