Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
9°F
-13°C
| Humidity | 70% |
| Wind Speed | NW 12 mph |
| Barometer | 30.35 in (1028.7 mb) |
| Dewpoint | 1°F (-17°C) |
| Visibility | 10.00 mi |
| Wind Chill | -6°F (-21°C) |
| Last update | 25 Jan 11:52 pm CST |
Extended Forecast for
Carbondale IL
Extreme Cold Warning January 26, 12:49am until January 27, 10:00am
NOW until 10:00am Tue

Extreme Cold Warning
Overnight

Low: -4 °F
Partly Cloudy
Monday

High: 14 °F
Sunny
Monday Night

Low: 5 °F⇑
Mostly Clear
Tuesday

High: 32 °F
Sunny
Tuesday Night

Low: 0 °F
Partly Cloudy
Wednesday

High: 28 °F
Sunny
Wednesday Night

Low: 5 °F
Partly Cloudy
Thursday

High: 22 °F
Mostly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind 7 to 9 mph.
Monday
Sunny, with a high near 14. Wind chill values as low as -19. West northwest wind 5 to 8 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a temperature rising to around 8 by 4am. Wind chill values as low as -10. South southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 32. Wind chill values as low as -6. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 0. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 28. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 5. Light and variable wind.
Thursday
Mostly cloudy, with a high near 22. Calm wind becoming north around 5 mph.
Thursday Night
Mostly cloudy, with a low around 4. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 18. North wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around -2. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 21. Northwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 5. Light and variable wind.
Sunday
Partly sunny, with a high near 28. South southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
12:36 am CST Jan 26, 2026
12am CST Jan 26, 2026-6pm CST Feb 1, 2026



