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

High: 74 °F
Mostly Cloudy
Tonight
Low: 54 °F
Slight Chance
Showers then
Mostly CloudySunday

High: 84 °F
Becoming
SunnySunday Night

Low: 60 °F
Mostly Clear
Columbus Day

High: 89 °F
Sunny
Monday Night

Low: 65 °F
Clear
Tuesday

High: 89 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
then Slight
Chance
ShowersWednesday
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
37.62°N 89.6°W
7:41 am CDT Oct 10, 2026
7am CDT Oct 10, 2026-6pm CDT Oct 16, 2026



