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.

Fair

50°F

10°C

Humidity 96%
Wind Speed Calm
Barometer 29.97 in (1014.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 2:52 am CDT
Extended Forecast for

4 Miles SSE Ava IL

  • Today

    Today: Sunny, with a high near 86. West southwest wind 3 to 7 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South southeast wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. South wind 5 to 9 mph.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph becoming northeast after midnight.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 1pm. Partly sunny, with a high near 76. Northeast wind 8 to 10 mph becoming north northwest in the afternoon.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 86. West southwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 58. Light and variable wind.
Thursday
Sunny, with a high near 83. Light and variable wind.
Thursday Night
Clear, with a low around 55. Light and variable wind.
Friday
Sunny, with a high near 84. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 59. South southeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. South wind 5 to 9 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph becoming northeast after midnight.
Sunday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 76. Northeast wind 8 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. Light and variable wind.
Columbus Day
Mostly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 59. South wind 3 to 6 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 80. Southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Ava IL
 37.84°N 89.45°W
Last Update:
3:36 am CDT Oct 7, 2026
Forecast Valid:
4am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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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