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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

A Few Clouds

77°F

25°C

Humidity 77%
Wind Speed S 8 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Jun 8:52 am CDT
Extended Forecast for

Anna ILSimilar City Names

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. South southwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Low around 69. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 69 °F

    T-storms then
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 79. Northwest wind around 9 mph.

    High: 79 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North wind 3 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light north northeast wind.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. South southwest wind 7 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Low around 69. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 79. Northwest wind around 9 mph.
Monday Night
Partly cloudy, with a low around 63. North wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 81. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Light and variable wind.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 5 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna ILSimilar City Names
 37.45°N 89.24°W
Last Update:
8:51 am CDT Jun 21, 2026
Forecast Valid:
9am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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