Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

44°F

7°C

Humidity 53%
Wind Speed Calm
Barometer 30.13 in (1020.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Feb 11:52 am CST
Extended Forecast for

Anna IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Calm wind.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind becoming south southwest 5 to 7 mph in the evening.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Southwest wind around 7 mph becoming north northwest in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 34. North wind around 7 mph.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. North wind 5 to 7 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Light northeast wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. East wind 3 to 6 mph.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 34. East wind around 6 mph.

    Low: 34 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after noon.  Mostly cloudy, with a high near 46. East northeast wind around 7 mph.

    High: 46 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Calm wind.
Tonight
Partly cloudy, with a low around 39. Calm wind becoming south southwest 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 62. Southwest wind around 7 mph becoming north northwest in the afternoon.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 49. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 31. Light northeast wind.
Thursday
Mostly cloudy, with a high near 47. East wind 3 to 6 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34. East wind around 6 mph.
Friday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 46. East northeast wind around 7 mph.
Friday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 34. East northeast wind around 7 mph.
Saturday
Showers likely. Mostly cloudy, with a high near 48. East northeast wind 7 to 10 mph.
Saturday Night
Showers likely. Mostly cloudy, with a low around 35. North wind around 10 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 49. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
10:27 am CST Feb 9, 2026
12pm CST Feb 9, 2026-6pm CST Feb 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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