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

33°F

1°C

Humidity 54%
Wind Speed NW 10 mph
Barometer 30.29 in (1026.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Jan 2:52 am CST
Extended Forecast for

3 Miles SW Ava IL

  • Overnight

    Overnight: Mostly clear, with a low around 27. West northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 26. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 51. South southwest wind 6 to 9 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. South southwest wind 6 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. West wind 7 to 9 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. West northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 38. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 26. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 51. South southwest wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 35. South southwest wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 40. West wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 45. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 19. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 37. North northwest wind 5 to 8 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. South wind 6 to 10 mph.
Friday
Partly sunny, with a high near 44. West wind 9 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 34. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
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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:
3:16 am CST Jan 11, 2026
Forecast Valid:
3am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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