Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

60°F

16°C

Humidity 75%
Wind Speed Calm
Barometer 30.11 in (1019.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 8 Oct 9:52 pm CDT
Extended Forecast for

4 Miles SE Pinckneyville IL

  • Tonight

    Tonight: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after 1pm.  Partly sunny, with a high near 80. Light south southeast wind becoming east 5 to 10 mph in the morning.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am.  Mostly cloudy, with a low around 58. East northeast wind 8 to 14 mph.  Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 77. Northeast wind around 8 mph becoming northwest in the afternoon.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. Light south southwest wind increasing to 6 to 11 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. South wind 7 to 10 mph.

    Low: 63 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 51. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 58. Southeast wind around 6 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 80. Light south southeast wind becoming east 5 to 10 mph in the morning.
Saturday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 58. East northeast wind 8 to 14 mph. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 77. Northeast wind around 8 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Columbus Day
Sunny, with a high near 88. Light south southwest wind increasing to 6 to 11 mph in the afternoon.
Monday Night
Clear, with a low around 63. South wind 7 to 10 mph.
Tuesday
Sunny, with a high near 87. Southwest wind 7 to 11 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59. North wind 5 to 7 mph becoming east after midnight.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 81. East wind 6 to 9 mph becoming south southeast in the afternoon.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 60. South southeast wind around 6 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 83. South southwest wind 7 to 15 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Pinckneyville IL
 38.04°N 89.33°W
9:31 pm CDT Oct 8, 2026
10pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database