Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

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

Partly Cloudy

60°F

16°C

Humidity 80%
Wind Speed S 15 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 10 Feb 10:52 am CST
Detailed forecast for

Union County

Today
Partly sunny. Areas of fog this morning. A slight chance of showers this afternoon. Highs in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.
Tonight
Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 30s. North winds 5 to 10 mph. Chance of rain 20 percent.
Wednesday
Sunny. Much cooler with highs in the upper 40s. North winds around 5 mph.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. Lows around 30. Northeast winds around 5 mph in the evening, becoming light and variable.
Thursday
Mostly cloudy. Highs in the upper 40s. East winds around 5 mph.
Thursday Night Through Friday Night
Mostly cloudy. Lows in the upper 30s. Highs in the lower 50s.
Saturday
Cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 50s. Chance of rain 60 percent.
Saturday Night
Rain. Near steady temperature in the mid 40s. Chance of rain 80 percent.
Sunday
Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the lower 50s. Chance of rain 50 percent.
Sunday Night And Washingtons Birthday
Mostly clear. Lows in the mid 30s. Highs in the upper 50s.



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1039 AM CST Tue Feb 10 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database