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.

Overcast

75°F

24°C

Humidity 82%
Wind Speed SE 3 mph
Barometer 30.07 in (1017.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 6 Oct 3:52 pm CDT
Extended Forecast for

Ava IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 74. South southeast wind around 5 mph.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 67. Southeast wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Heavy Rain
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 1pm, then a chance of showers. Mostly cloudy, with a high near 77. Light northwest wind becoming north northwest 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. North wind 8 to 11 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northeast wind 9 to 13 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. Northeast wind around 7 mph.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. East northeast wind 6 to 8 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. East northeast wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 74. South southeast wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 67. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely before 1pm, then a chance of showers. Mostly cloudy, with a high near 77. Light northwest wind becoming north northwest 5 to 10 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 54. North wind 8 to 11 mph.
Wednesday
Sunny, with a high near 73. Northeast wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 45. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 70. East northeast wind 6 to 8 mph.
Thursday Night
Clear, with a low around 43. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 74. Light and variable wind.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. East southeast wind 3 to 5 mph.
Sunday
Sunny, with a high near 79. South southeast wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ava IL
 37.89°N 89.5°W
Last Update:
4:01 pm CDT Oct 6, 2025
Forecast Valid:
4pm CDT Oct 6, 2025-6pm CDT Oct 12, 2025
 
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