Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Mostly Cloudy

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in (1015.7 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Last update 14 Oct 10:52 am CDT
Extended Forecast for

Altenburg MO

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  High near 81. Light and variable wind becoming west around 5 mph.  Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm.  Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 86 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 51. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 61. Breezy, with a north northwest wind 17 to 20 mph, with gusts as high as 29 mph.

    High: 61 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. North wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62. Northeast wind 3 to 6 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. Light and variable wind becoming west around 5 mph. Chance of precipitation is 80%.
Tonight
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 51. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 61. Breezy, with a north northwest wind 17 to 20 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 40. North wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 62. Northeast wind 3 to 6 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 44. Light south southeast wind.
Monday
Mostly sunny, with a high near 71. Calm wind becoming south around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 48. Calm wind.
Tuesday
Mostly sunny, with a high near 76. Light southeast wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Altenburg MO
 37.62°N 89.57°W
11:01 am CDT Oct 14, 2026
11am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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