Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
70°F
21°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1017.4 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 7.00 mi |
| Last update | 14 Oct 11:52 pm CDT |
Extended Forecast for
Ava IL
Overnight

Low: 70 °F
Chance
Showers and
Patchy Dense
FogThursday
High: 86 °F
Showers
Likely then
Chance
T-stormsThursday Night

Low: 49 °F
Showers
LikelyFriday
High: 56 °F
Breezy.
Slight Chance
Showers then
Partly SunnyFriday Night

Low: 39 °F
Mostly Cloudy
Saturday

High: 60 °F
Sunny
Saturday Night

Low: 36 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Patchy dense fog. Otherwise, mostly cloudy, with a steady temperature around 70. Calm wind.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 9am, then a chance of showers and thunderstorms after 9am. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 56. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 39. North northwest wind 11 to 15 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 60. North wind 6 to 10 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 41. Calm wind.
Monday
Mostly sunny, with a high near 72. Calm wind becoming south around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 45. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Ava IL
37.89°N 89.5°W
37.89°N 89.5°W
12:26 am CDT Oct 15, 2026
12am CDT Oct 15, 2026-6pm CDT Oct 21, 2026



