Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fog/Mist

34°F

1°C

Humidity 92%
Wind Speed S 3 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Last update 10 Feb 12:52 am CST
Extended Forecast for

Anna IL

  • Overnight

    Overnight: Mostly clear, with a low around 38. South wind 3 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 3pm.  Partly sunny, with a high near 69. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 7pm.  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 49. North wind 5 to 7 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 33. East wind 3 to 5 mph.

    Low: 33 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly cloudy, with a high near 48. East wind 3 to 6 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after midnight.  Mostly cloudy, with a low around 37. East wind 5 to 7 mph.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 38. South wind 3 to 7 mph.
Tuesday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 69. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
A 20 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 8 to 10 mph.
Wednesday
Sunny, with a high near 49. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 30. Light and variable wind.
Thursday
Mostly cloudy, with a high near 47. Calm wind becoming east southeast around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 33. East wind 3 to 5 mph.
Friday
A slight chance of showers. Mostly cloudy, with a high near 48. East wind 3 to 6 mph.
Friday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. East wind 5 to 7 mph.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 49. East wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Showers. Mostly cloudy, with a low around 40. East wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of showers. Partly sunny, with a high near 52. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 35. Northwest wind 5 to 8 mph.
Washington's Birthday
Mostly sunny, with a high near 57. North northwest wind 5 to 8 mph becoming south in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
11:07 pm CST Feb 9, 2026
1am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database