Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Partly Cloudy

29°F

-2°C

Humidity 61%
Wind Speed N 9 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 4 Dec 2:52 pm CST
Extended Forecast for

Anna IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 32. North northeast wind around 7 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 22. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 41. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 41 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. South southwest wind around 6 mph becoming calm  after midnight.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 30. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 44. East southeast wind 5 to 10 mph becoming north northwest in the morning.

    High: 44 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before midnight.  Mostly cloudy, with a low around 22. North wind 7 to 10 mph.

    Low: 22 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. North wind around 6 mph becoming calm  in the afternoon.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 32. North northeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 22. North northeast wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, then gradually becoming sunny, with a high near 41. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 27. South southwest wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 45. Light and variable wind.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 30. Calm wind becoming east southeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 44. East southeast wind 5 to 10 mph becoming north northwest in the morning.
Sunday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 22. North wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 7 mph after midnight.
Tuesday
Mostly sunny, with a high near 45. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South southwest wind 6 to 11 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
2:46 pm CST Dec 4, 2025
3pm CST Dec 4, 2025-6pm CST Dec 10, 2025
 
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Additional Resources

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