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.

A Few Clouds

88°F

31°C

Humidity 50%
Wind Speed Vrbl 7 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 3 Jul 3:52 pm CDT
Extended Forecast for

Ava IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West southwest wind 3 to 7 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Calm wind.
Tonight
Clear, with a low around 70. Calm wind.
Independence Day
Sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Clear, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. South southwest wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West southwest wind 3 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind around 6 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light northwest wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light and variable wind.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light and variable wind.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
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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:
2:01 pm CDT Jul 3, 2025
Forecast Valid:
3pm CDT Jul 3, 2025-6pm CDT Jul 9, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation