Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
88°F
31°C
| Humidity | 75% |
| Wind Speed | W 6 mph |
| Barometer | 29.79 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 103°F (39°C) |
| Last update | 28 Jul 4:53 pm CDT |
Extended Forecast for
Ava IL
Extreme Heat Warning July 28, 05:42pm until July 28, 07:00pm
NOW until 7:00pm Tue
Extreme Heat Warning
Tonight
Low: 68 °F
Decreasing
CloudsWednesday
High: 86 °F
Sunny
Wednesday Night
Low: 63 °F
Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 65 °F
Partly Cloudy
Friday
High: 85 °F
Chance
ShowersFriday Night
Low: 67 °F
Showers
LikelySaturday
High: 81 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 68. Light and variable wind becoming northeast around 6 mph in the evening.
Wednesday
Sunny, with a high near 86. North northeast wind 3 to 7 mph.
Wednesday Night
Clear, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Light east wind.
Thursday Night
Partly cloudy, with a low around 65. Calm wind.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 40%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. South wind around 7 mph. Chance of precipitation is 70%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. West southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. North northwest wind 6 to 10 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. North wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. North northeast wind 3 to 8 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. East northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 68. Light east wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Light east southeast wind.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ava IL
37.89°N 89.5°W
37.89°N 89.5°W
5:36 pm CDT Jul 28, 2026
5pm CDT Jul 28, 2026-6pm CDT Aug 4, 2026
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