Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

43°F

6°C

Humidity 97%
Wind Speed S 7 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Wind Chill39°F (4°C)
Last update 10 Feb 3:52 am CST
Extended Forecast for

Anna IL

  • Today

    Today: A 20 percent chance of showers after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 69. South southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 8 to 10 mph.

    Low: 31 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 48. North wind 3 to 7 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48. Calm wind becoming southeast around 6 mph in the morning.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 35. East wind 3 to 5 mph.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51. East wind 3 to 6 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain after midnight.  Mostly cloudy, with a low around 37. East wind 3 to 6 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after noon.  Cloudy, with a high near 50. East wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
A 20 percent chance of showers after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 69. South southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 8 to 10 mph.
Wednesday
Sunny, with a high near 48. North wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 48. Calm wind becoming southeast around 6 mph in the morning.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35. East wind 3 to 5 mph.
Friday
Partly sunny, with a high near 51. East wind 3 to 6 mph.
Friday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 37. East wind 3 to 6 mph.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 50. East wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Rain. Cloudy, with a low around 42. East northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday
A chance of rain. Partly sunny, with a high near 53. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 36. North northwest wind 3 to 7 mph.
Washington's Birthday
Sunny, with a high near 58. Light and variable wind becoming south around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
4:13 am CST Feb 10, 2026
4am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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