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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

66°F

19°C

Humidity 78%
Wind Speed N 5 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Jun 10:52 pm CDT
Extended Forecast for

3 Miles SW Ava IL

  • Tonight

    Tonight: 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 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

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

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. Light south southeast wind.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light south southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 68. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 68 °F

    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. West southwest wind around 9 mph becoming north northwest in the afternoon.

    High: 80 °F

    Chance
    Showers

  • 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

Tonight
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 64. Calm wind.
Saturday
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 66. Light south southeast wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light south southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 68. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. West southwest wind around 9 mph becoming north northwest in the afternoon.
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 81. Light north northwest wind.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Light and variable wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ava IL
 37.87°N 89.53°W
Last Update:
9:01 pm CDT Jun 18, 2026
Forecast Valid:
11pm CDT Jun 18, 2026-6pm CDT Jun 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation