Current conditions at

Southern Illinois Airport (KMDH)

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

Light Snow Fog/Mist

12°F

-11°C

Humidity 84%
Wind Speed NE 10 G 22 mph
Barometer 30.26 in (1025.4 mb)
Dewpoint 8°F (-13°C)
Visibility 0.75 mi
Wind Chill-1°F (-18°C)
Last update 24 Jan 8:52 pm CST
Detailed forecast for

Jackson County

Tonight
Snow. Snow may be heavy at times after midnight. Snow accumulation of 4 to 6 inches. Cold. Near steady temperature around 12. Northeast winds 10 to 15 mph. Chance of snow near 100 percent. Wind chill readings as low as 1 below after midnight.
Sunday
Snow. Storm total snow accumulation of 8 to 12 inches. Highs around 16. North winds 15 to 20 mph with gusts up to 30 mph. Chance of snow near 100 percent. Wind chill readings as low as 2 below in the morning.
Sunday Night
Mostly cloudy in the evening, then clearing. Cold with lows around 3 below. Northwest winds 10 to 15 mph. Wind chill readings as low as 9 below.
Monday
Sunny, cold with highs around 15. Northwest winds 5 to 10 mph. Wind chill readings as low as 7 below.
Monday Night
Mostly clear. Cold with lows around 1 above. Southwest winds 5 to 10 mph. Wind chill readings as low as 7 below.
Tuesday
Sunny. Highs in the upper 20s.
Tuesday Night
Partly cloudy. Cold with lows zero to 5 above zero.
Wednesday And Wednesday Night
Mostly cloudy. Highs in the mid 20s. Lows around zero.
Thursday
Partly sunny. Highs around 20.
Thursday Night Through Saturday
Partly cloudy. Lows around zero. Highs in the lower 20s.



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819 PM CST Sat Jan 24 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database