Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

53°F

12°C

Humidity 96%
Wind Speed Calm
Barometer 30.08 in (1018.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 6:52 am CDT
Extended Forecast for

Altenburg MO

  • Today

    Today: Mostly cloudy, with a high near 74. Calm wind becoming east around 6 mph in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 54. East northeast wind 5 to 7 mph becoming north after midnight.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming northwest around 5 mph.

    High: 84 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Calm wind becoming southwest around 5 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. Southwest wind 5 to 13 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. Southwest wind 5 to 8 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West southwest wind 5 to 8 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am.  Mostly clear, with a low around 64. South southwest wind around 5 mph.

    Low: 64 °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
Mostly cloudy, with a high near 74. Calm wind becoming east around 6 mph in the afternoon.
Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54. East northeast wind 5 to 7 mph becoming north after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 60. Calm wind becoming southwest around 5 mph after midnight.
Columbus Day
Sunny, with a high near 89. Southwest wind 5 to 13 mph.
Monday Night
Clear, with a low around 65. Southwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 5 to 8 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly clear, with a low around 64. South southwest wind around 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 60. East southeast wind around 6 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 6 to 10 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 55. Southwest wind around 6 mph becoming west northwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 71. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Altenburg MO
 37.62°N 89.6°W
7:41 am CDT Oct 10, 2026
7am CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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