Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

57°F

14°C

Humidity 90%
Wind Speed SW 13 G 22 mph
Barometer 29.73 in (1006.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Feb 7:52 am CST
Extended Forecast for

Anna IL

  • Today

    Today: Partly sunny, with a high near 72. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South wind 7 to 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 9am.  Partly sunny, with a high near 69. South southwest wind 8 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 50%.

    High: 69 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South southwest wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. West northwest wind 5 to 10 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 35. North wind 3 to 6 mph.

    Low: 35 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after noon.  Partly sunny, with a high near 47. North wind 6 to 9 mph.

    High: 47 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight.  Partly cloudy, with a low around 26. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 40. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 40 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 72. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 54. South wind 7 to 9 mph.
Thursday
A chance of showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 69. South southwest wind 8 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 41. South southwest wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 55. West northwest wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 35. North wind 3 to 6 mph.
Saturday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 47. North wind 6 to 9 mph.
Saturday Night
A chance of rain and snow showers before midnight. Partly cloudy, with a low around 26. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 40. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 21. North northwest wind 8 to 10 mph.
Monday
Sunny, with a high near 37. North northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 20. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 44. Light southeast wind becoming south 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
5:46 am CST Feb 18, 2026
8am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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