Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
80°F
27°C
| Humidity | 74% |
| Wind Speed | W 5 mph |
| Barometer | 30.01 in (1015.9 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 25 Jun 9:52 am CDT |
Extended Forecast for
Carbondale IL
Flood Watch June 25, 04:00pm until June 27, 07:00am
Today

High: 89 °F
Mostly Sunny
Tonight
Low: 70 °F
Chance
T-storms then
Showers
LikelyFriday

High: 86 °F
Showers
LikelyFriday Night

Low: 72 °F
Showers
LikelySaturday

High: 89 °F
Showers
LikelySaturday Night

Low: 74 °F
Slight Chance
T-stormsSunday

High: 95 °F
Sunny
Sunday Night

Low: 76 °F
Clear
Monday

High: 97 °F
Hot
Detailed Forecast
Today
Mostly sunny, with a high near 89. South southwest wind 3 to 5 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 70. Light southeast wind. Chance of precipitation is 70%.
Friday
Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 86. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 72. South southwest wind 5 to 9 mph becoming light after midnight. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 95. South southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 76. South southwest wind 5 to 9 mph.
Monday
Sunny and hot, with a high near 97. Light south southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Clear, with a low around 77. South wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 100. Light south southwest wind.
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ABOUT THIS FORECAST
Point Forecast:
Carbondale IL
37.72°N 89.23°W
37.72°N 89.23°W
9:51 am CDT Jun 25, 2026
9am CDT Jun 25, 2026-6pm CDT Jul 1, 2026



