Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78° N Lon: 89.25° W Elev: 400 ft.

NA

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint NA
Visibility NA
Last update *** Not a current observation ***
Detailed forecast for

Jackson County

Tonight
Mostly clear. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Labor Day
Sunny. Highs in the lower 90s. Northeast winds around 5 mph.
Monday Night
Mostly clear. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Tuesday
Sunny, hot with highs in the mid 90s. South winds around 5 mph.
Tuesday Night
Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph.
Wednesday
Sunny, hot with highs in the upper 90s.
Wednesday Night
Partly cloudy in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 70 percent.
Thursday
Showers likely in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
Thursday Night
Partly cloudy in the evening, then clearing. Lows in the lower 60s.
Friday
Sunny. Highs in the upper 80s.
Friday Night
Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.
Saturday
Mostly sunny. A chance of showers in the morning. Highs in the lower 90s. Chance of rain 30 percent.
Saturday Night
Mostly clear. Lows in the upper 60s.
Sunday
Mostly sunny. Highs around 90.



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908 PM CDT Sun Sep 6 2026
 
 

Additional Resources

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