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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Ava IL

  • Today

    Today: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Northeast wind 3 to 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind 7 to 9 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. East southeast wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. South southwest wind 5 to 9 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Light south southeast wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Light south southeast wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. West wind 3 to 7 mph.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 65. Northeast wind 3 to 7 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 70. East southeast wind around 6 mph.
Tuesday
Sunny, with a high near 94. South southwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 71. Light south southeast wind.
Wednesday
Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 72. Light south southeast wind.
Thursday
Sunny, with a high near 93. West wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 69. Calm wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 89. West wind 3 to 7 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 65. Light and variable wind becoming south southwest around 5 mph after midnight.
Saturday
A slight chance of showers. Mostly sunny, with a high near 85. West northwest wind 5 to 9 mph.
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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:
3:41 am CDT Sep 13, 2026
Forecast Valid:
4am CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation