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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

69°F

21°C

Humidity 61%
Wind Speed W 7 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 4:52 pm CDT
Extended Forecast for

5 Miles S Pinckneyville IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. West southwest wind around 7 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Clear, then becoming mostly cloudy toward daybreak, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 84. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 38. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. North northwest wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. West southwest wind around 7 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Clear, then becoming mostly cloudy toward daybreak, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 84. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 38. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 66. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 41. North northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 51. South wind around 7 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 54. South southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 77. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 7 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South wind 6 to 10 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Pinckneyville IL
 37.99°N 89.38°W
Last Update:
4:57 pm CDT Apr 16, 2026
Forecast Valid:
5pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation