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.

A Few Clouds

81°F

27°C

Humidity 47%
Wind Speed S 8 mph
Barometer 30.18 in (1021.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Oct 11:52 am CDT
Extended Forecast for

4 Miles ENE Anna IL

  • Today

    Today: Sunny, with a high near 84. South southeast wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Light southeast wind.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. South wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Light southeast wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southeast wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 58. North wind 6 to 8 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North northeast wind 8 to 10 mph.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 84. South southeast wind 3 to 8 mph.
Tonight
Clear, with a low around 56. Light southeast wind.
Sunday
Sunny, with a high near 84. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 64. Light southeast wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 58. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 72. North northeast wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 51. Northeast wind around 6 mph.
Thursday
Sunny, with a high near 71. East northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 49. Light east southeast wind.
Friday
Sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Anna IL
 37.48°N 89.19°W
Last Update:
11:16 am CDT Oct 4, 2025
Forecast Valid:
11am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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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