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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

65°F

18°C

Humidity 68%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Oct 10:52 am CDT
Extended Forecast for

Anna IL

  • Today

    Today: Cloudy, with a high near 72. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 72 °F

    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. East northeast wind 5 to 10 mph becoming north after midnight.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. North northwest wind around 6 mph becoming west in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. South southwest wind 6 to 8 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West southwest wind 5 to 9 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly clear, with a low around 65. South southwest wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 82. East southeast wind 5 to 8 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Cloudy, with a high near 72. Calm wind becoming east 5 to 7 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. East northeast wind 5 to 10 mph becoming north after midnight.
Sunday
Sunny, with a high near 82. North northwest wind around 6 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 60. Light south wind.
Columbus Day
Sunny, with a high near 89. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 65. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 5 to 9 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly clear, with a low around 65. South southwest wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. East southeast wind 5 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 62. Southeast wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. South southwest wind 6 to 10 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 57. South southwest wind 5 to 7 mph becoming west northwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 71. Northwest wind 7 to 14 mph, with gusts as high as 20 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:
11:11 am CDT Oct 10, 2026
Forecast Valid:
11am CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation