Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

44°F

7°C

Humidity 53%
Wind Speed S 13 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Jan 5:52 pm CST
Extended Forecast for

4 Miles SSE Ava IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 35. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after midnight.  Increasing clouds, with a low around 39. Southwest wind around 8 mph becoming northwest after midnight.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44. Breezy, with a north northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 44 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. Blustery, with a north northwest wind 11 to 21 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 30. North northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. South southwest wind 5 to 14 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. West wind around 11 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 35. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 60. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Increasing clouds, with a low around 39. Southwest wind around 8 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a high near 44. Breezy, with a north northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 18. Blustery, with a north northwest wind 11 to 21 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 30. North northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind 5 to 14 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 43. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 20. West wind around 11 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 30. West wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 12. West northwest wind around 10 mph.
Sunday
Sunny, with a high near 26. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 14. West southwest wind around 9 mph.
M.L.King Day
Sunny, with a high near 36. West southwest wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Ava IL
 37.84°N 89.45°W
3:16 pm CST Jan 12, 2026
6pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database