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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles SW Ava IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Light south southwest wind.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: 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 87. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 87 °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 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. West northwest wind 3 to 6 mph.

    High: 85 °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 89. South wind 3 to 8 mph.

    High: 89 °F

    Sunny

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Light south southwest wind.
Tuesday Night
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 87. South southwest wind 10 to 14 mph, with gusts as high as 23 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 10 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 85. West northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 89. South wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 73. South wind around 8 mph.
Saturday
Sunny, with a high near 93. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 76. South wind 7 to 9 mph.
Sunday
Sunny, with a high near 93. South southwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 75. South wind around 7 mph.
Monday
Sunny, with a high near 92. South southwest wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ava IL
 37.87°N 89.53°W
Last Update:
2:16 am CDT Jun 17, 2025
Forecast Valid:
3am CDT Jun 17, 2025-6pm CDT Jun 23, 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