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.

Fair

43°F

6°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 8 Nov 9:52 pm CST
Extended Forecast for

3 Miles S Ava IL

  • Tonight

    Tonight: Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Light southwest wind.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Light west southwest wind.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. North northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. North northwest wind 7 to 10 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 39. Calm wind.
Monday
Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 68. Light and variable wind.
Monday Night
Clear, with a low around 44. Light southwest wind.
Tuesday
Sunny, with a high near 71. Light west southwest wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Veterans Day
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 45. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 55. North northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 34. North northwest wind 7 to 10 mph.
Friday
Sunny, with a high near 49. North northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 29. Light northwest wind.
Saturday
Sunny, with a high near 53. Calm wind becoming northwest around 6 mph.
Saturday Night
Mostly clear, with a low around 33. Calm wind.
Sunday
Sunny, with a high near 62. Calm wind becoming southwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Ava IL
 37.84°N 89.51°W
Last Update:
9:16 pm CST Nov 8, 2026
Forecast Valid:
10pm CST Nov 8, 2026-6pm CST Nov 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation