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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

63°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 29.92 in (1013.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 Jun 12:52 am CDT
Extended Forecast for

Ava IL

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light south southwest wind.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 67. South southeast wind 3 to 5 mph.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 85. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 68. Southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 68 °F

    T-storms then
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79. North northwest wind around 9 mph.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Calm wind.
Juneteenth
Mostly sunny, with a high near 83. Calm wind.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 86. Light south southwest wind.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 67. South southeast wind 3 to 5 mph.
Sunday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 85. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 68. Southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79. North northwest wind around 9 mph.
Monday Night
Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light north northwest wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 83. Light west northwest wind.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Light south wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ava IL
 37.89°N 89.5°W
Last Update:
1:26 am CDT Jun 19, 2026
Forecast Valid:
1am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation