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.

Partly Cloudy

71°F

22°C

Humidity 49%
Wind Speed S 15 mph
Barometer 29.72 in (1006.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 4 May 9:52 pm CDT
Extended Forecast for

Ava IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 57. South southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 57 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. Steady temperature around 61. South southwest wind 8 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 45. North wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 59. North northeast wind around 9 mph.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. North wind 6 to 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. North northwest wind 6 to 8 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Light and variable wind becoming south around 5 mph after midnight.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. South southwest wind 6 to 10 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 50. Southwest wind 6 to 8 mph.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 57. South southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday
Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. Steady temperature around 61. South southwest wind 8 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 45. North wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 59. North northeast wind around 9 mph.
Wednesday Night
Mostly cloudy, with a low around 42. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 64. North northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 44. Light and variable wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 73. South southwest wind 6 to 10 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 50. Southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 76. South southwest wind around 7 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. South wind around 5 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. South wind 6 to 9 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind around 8 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 71. North wind around 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ava IL
 37.89°N 89.5°W
Last Update:
8:51 pm CDT May 4, 2026
Forecast Valid:
10pm CDT May 4, 2026-6pm CDT May 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation