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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

40°F

4°C

Humidity 86%
Wind Speed NE 3 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 14 Mar 3:52 am CDT
Extended Forecast for

Anna IL

  • Today

    Today: Sunny, with a high near 68. East northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 18 to 25 mph, with gusts as high as 41 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 slight chance of snow showers. Some thunder is also possible. Low around 25. Breezy, with a south wind 20 to 23 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, with a high near 33. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 30 mph.

    High: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday Night

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

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. West northwest wind around 7 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. South wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. South southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. East northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 54. South wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a slight chance of snow showers. Some thunder is also possible. Low around 25. Breezy, with a south wind 20 to 23 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.
Monday
Mostly cloudy, with a high near 33. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 16. West northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 38. West northwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 29. South wind 5 to 13 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 58. South southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 41. South southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 70. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 48. South wind around 6 mph.
Friday
Sunny, with a high near 71. Southwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
Last Update:
1:26 am CDT Mar 14, 2026
Forecast Valid:
4am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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Chance of Precipitation