Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

30°F

-1°C

Humidity 85%
Wind Speed E 3 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 1 Dec 7:52 pm CST
Extended Forecast for

6 Miles SSE Pinckneyville IL

Winter Weather Advisory December 1, 08:50pm until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 08:50pm until December 2, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 22 °F

    Snow

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 31 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind becoming south around 6 mph after midnight.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. South wind 5 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 27. North wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Light and variable wind.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow showers.  Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the morning.

    High: 39 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Tonight
Snow, mainly before 2am. Low around 22. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Calm wind becoming south around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 42. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 27. North wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 16. Light and variable wind.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 25. Light southwest wind.
Saturday
Partly sunny, with a high near 42. Southwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 28. Light and variable wind becoming west around 6 mph in the evening.
Sunday
Mostly cloudy, with a high near 40. North wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 21. North wind 3 to 6 mph.
Monday
Partly sunny, with a high near 39. Light and variable wind becoming north around 6 mph in the morning.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Pinckneyville IL
 37.99°N 89.36°W
7:32 pm CST Dec 1, 2025
8pm CST Dec 1, 2025-6pm CST Dec 8, 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