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

60°F

16°C

Humidity 93%
Wind Speed N 5 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 3 Aug 6:52 am CDT
Extended Forecast for

Ava IL

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming northeast 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light east southeast wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Light east southeast wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light southeast wind.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming northeast 5 to 9 mph in the morning.
Tonight
Mostly cloudy, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 67. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind.
Wednesday Night
Mostly clear, with a low around 67. Light east southeast wind.
Thursday
Sunny, with a high near 88. Light southeast wind.
Thursday Night
Mostly clear, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 70. Southeast wind around 6 mph.
Saturday
Sunny, with a high near 92. South wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ava IL
 37.89°N 89.5°W
Last Update:
5:31 am CDT Aug 3, 2025
Forecast Valid:
7am CDT Aug 3, 2025-6pm CDT Aug 9, 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