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

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jun 11:59 am CDT
Extended Forecast for

Ava IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. Calm wind becoming south southwest around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind 5 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. West northwest wind around 6 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Light south wind increasing to 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 8 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. Calm wind becoming south southwest around 5 mph.
Tonight
Partly cloudy, with a low around 73. South wind 5 to 8 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 84. West northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 88. Light south wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 73. South wind around 8 mph.
Saturday
Sunny, with a high near 92. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 76. South wind 8 to 10 mph.
Sunday
Sunny, with a high near 93. South southwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 6 to 8 mph.
Monday
Sunny, with a high near 92. South southwest wind 6 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:
12:16 pm CDT Jun 17, 2025
Forecast Valid:
12pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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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