National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

76°F

24°C

Humidity 85%
Wind Speed W 7 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Aug 10:52 pm CDT
Extended Forecast for

4 Miles SSW Ava IL

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. West wind around 5 mph becoming light and variable.

    Low: 72 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. North northeast wind 6 to 9 mph.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. North northeast wind 5 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87. North northeast wind 5 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. North wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. West wind around 5 mph becoming light and variable.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. North northeast wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 66. North northeast wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 87. North northeast wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 85. North northwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 56. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Ava IL
 37.84°N 89.53°W
Last Update:
10:45 pm CDT Aug 19, 2025
Forecast Valid:
11pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
 
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Additional Resources

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