Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Partly Cloudy
29°C
84°F
| Humidity | 55% |
| Wind Speed | Vrbl 7 km/h |
| Barometer | 30.05 in |
| Dewpoint | 19°C (66°F) |
| Visibility | 16 km |
| Heat Index | 30°C (86°F) |
| Last update | 18 Aug 1:48 pm CDT |
Extended Forecast for
Carbondale IL
This Afternoon
High: 31 °C
Sunny
Tonight
Low: 20 °C
Increasing
CloudsWednesday
High: 30 °C
Showers
Likely then
Chance
ShowersWednesday Night
Low: 19 °C
Chance
T-storms then
Showers
LikelyThursday
High: 29 °C
Chance
ShowersThursday Night
Low: 18 °C
Mostly Clear
Friday
High: 30 °C
Sunny
Friday Night
Low: 18 °C
Clear
Saturday
High: 31 °C
Slight Chance
Showers then
Slight Chance
T-storms
Detailed Forecast
This Afternoon
Sunny, with a high near 31. Calm wind.
Tonight
Increasing clouds, with a low around 20. Calm wind.
Wednesday
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 30. Calm wind becoming southeast 5 to 8 km/h in the morning. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Increasing clouds, with a low around 19. Calm wind. Chance of precipitation is 70%.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, with a high near 29. North northeast wind 3 to 8 km/h. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 18. Calm wind.
Friday
Sunny, with a high near 30. Calm wind.
Friday Night
Clear, with a low around 18. Calm wind.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 31. Light northwest wind increasing to 8 to 13 km/h in the morning.
Saturday Night
Mostly clear, with a low around 18. Calm wind.
Sunday
Sunny, with a high near 29. Calm wind becoming north northeast 5 to 10 km/h in the morning.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 18. Calm wind.
Monday
A slight chance of showers. Mostly sunny, with a high near 30. Calm wind becoming south southeast 5 to 10 km/h in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.2°W
37.72°N 89.2°W
2:11 pm CDT Aug 18, 2026
2pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
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