Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 30.10 in (1018.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 5 Aug 12:52 am CDT
Extended Forecast for

Anna ILSimilar City Names

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, partly cloudy, with a steady temperature around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Widespread fog, mainly before 7am.  Otherwise, sunny, with a high near 88. Calm wind.

    High: 88 °F

    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light east southeast wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Light southeast wind.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a steady temperature around 68. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 68. Calm wind.
Wednesday
Widespread fog, mainly before 7am. Otherwise, sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 89. Light east southeast wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Light southeast wind.
Saturday
Sunny, with a high near 90. South wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 72. South southeast wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 91. South wind 3 to 6 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 3 to 5 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Anna ILSimilar City Names
 37.45°N 89.24°W
10:01 pm CDT Aug 4, 2025
1am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
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