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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

48°F

9°C

Humidity 46%
Wind Speed S 20 G 32 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Mar 4:52 am CDT
Extended Forecast for

Anna IL

  • Today

    Today: Partly sunny, with a high near 64. Southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. North northwest wind 5 to 7 mph becoming east after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. South wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 15 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    High: 71 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind around 21 mph becoming west northwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: Partly sunny, with a high near 33. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 33 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Northwest wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northwest wind around 8 mph becoming west southwest in the afternoon.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 64. Southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 38. North northwest wind 5 to 7 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 67. East wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Increasing clouds, with a low around 55. South wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 15 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 26. Breezy, with a south southwest wind around 21 mph becoming west northwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%.
Monday
Partly sunny, with a high near 33. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 16. Northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind around 8 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 29. South southeast wind 5 to 9 mph.
Wednesday
Mostly cloudy, with a high near 56. South wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 41. South southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 67. South southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
Last Update:
5:26 am CDT Mar 13, 2026
Forecast Valid:
5am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation