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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Last update 20 Nov 2:52 pm CST
Extended Forecast for

4 Miles SE Pinckneyville IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly before 5pm. Cloudy, with a high near 55. Southeast wind around 6 mph becoming calm.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 3am. Patchy fog after 7pm. Low around 53. Calm wind. Chance of precipitation is 100%.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Areas Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 65. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 100%.

    High: 65 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. South southwest wind around 6 mph becoming north northeast in the evening. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 58. North wind 3 to 7 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Calm wind becoming southwest around 5 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 42. Light south southeast wind.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Cloudy, with a high near 60. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly before 5pm. Cloudy, with a high near 55. Southeast wind around 6 mph becoming calm.
Tonight
Showers, with thunderstorms also possible after 3am. Patchy fog after 7pm. Low around 53. Calm wind. Chance of precipitation is 100%.
Friday
Showers and possibly a thunderstorm before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 65. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. South southwest wind around 6 mph becoming north northeast in the evening. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 58. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 62. Calm wind becoming southwest around 5 mph.
Sunday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 42. Light south southeast wind.
Monday
Showers likely, mainly after noon. Cloudy, with a high near 60. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 50. South wind around 8 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 65. South southwest wind 7 to 10 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 50. West northwest wind 7 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Pinckneyville IL
 38.04°N 89.33°W
Last Update:
3:16 pm CST Nov 20, 2025
Forecast Valid:
3pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation