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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

61°F

16°C

Humidity 45%
Wind Speed SW 13 mph
Barometer 29.93 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 27 Feb 8:52 pm CST
Extended Forecast for

Anna IL

  • Tonight

    Tonight: Clear, with a low around 42. South southwest wind around 6 mph becoming light and variable.

    Low: 42 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northeast wind around 7 mph becoming south southwest in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. South southwest wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 35. East northeast wind around 9 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers, mainly before noon. Cloudy, with a high near 46. East wind 7 to 9 mph.

    High: 46 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 41. East wind 6 to 8 mph becoming south after midnight.

    Low: 41 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 53. South wind around 8 mph.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 42. South southwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 68. Northeast wind around 7 mph becoming south southwest in the afternoon.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. South southwest wind 6 to 11 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, with a high near 50. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Showers likely. Cloudy, with a low around 35. East northeast wind around 9 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers, mainly before noon. Cloudy, with a high near 46. East wind 7 to 9 mph.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. East wind 6 to 8 mph becoming south after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 53. South wind around 8 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 68. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South wind around 9 mph.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
Last Update:
9:36 pm CST Feb 27, 2026
Forecast Valid:
9pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation