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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

49°F

9°C

Humidity 44%
Wind Speed SW 15 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Nov 7:52 pm CST
Extended Forecast for

4 Miles SSW Ava IL

  • Tonight

    Tonight: Mostly clear, with a low around 38. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. West northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. South wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. South southwest wind 6 to 9 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. South wind 7 to 9 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 65. West northwest wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 38. Calm wind.
Thursday
Partly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. South wind around 6 mph.
Friday
Mostly sunny, with a high near 72. South southwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 56. South wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 75. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 54. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, mainly after noon. Mostly sunny, with a high near 68. West southwest wind 7 to 9 mph becoming northwest in the afternoon.
Sunday Night
A chance of showers. Partly cloudy, with a low around 46. Northwest wind around 6 mph becoming northeast after midnight.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 59. East southeast wind 6 to 8 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. East wind around 7 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 60. East northeast wind 5 to 7 mph becoming northwest in the morning.
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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:
7:36 pm CST Nov 11, 2025
Forecast Valid:
8pm CST Nov 11, 2025-6pm CST Nov 18, 2025
 
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