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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

75°F

24°C

Humidity 83%
Wind Speed N 7 mph
Barometer 29.84 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 2 Aug 7:52 pm CDT
Extended Forecast for

4 Miles SSE Ava IL

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. Calm wind becoming north around 5 mph.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 84. North wind 3 to 5 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then clearing, with a high near 86. Calm wind.

    High: 86 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the morning.

    High: 87 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. Calm wind becoming north around 5 mph.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 84. North wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Mostly cloudy through mid morning, then clearing, with a high near 86. Calm wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light south wind.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Light south southwest wind.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light south southwest wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light south wind.
Sunday
Mostly sunny, with a high near 90. South southwest wind 3 to 6 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:
8:05 pm CDT Aug 2, 2026
Forecast Valid:
8pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026
 
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