Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
81°F
27°C
| Humidity | 26% |
| Wind Speed | N 7 mph |
| Barometer | 30.14 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 4 Oct 3:52 pm CDT |
Extended Forecast for
Ava IL
Tonight
Low: 52 °F
Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 47 °F
Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 51 °F
Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 55 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 54 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 52. Calm wind becoming north around 5 mph in the evening.
Monday
Sunny, with a high near 76. Northeast wind 5 to 9 mph.
Monday Night
Clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 77. Light and variable wind.
Tuesday Night
Clear, with a low around 51. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. Light east wind.
Saturday
Mostly sunny, with a high near 81. Southeast wind 3 to 8 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 57. East southeast wind 3 to 5 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 79. East wind 5 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ava IL
37.89°N 89.5°W
37.89°N 89.5°W
5:06 pm CDT Oct 4, 2026
5pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
