Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
32°F
0°C
| Humidity | 50% |
| Wind Speed | S 17 mph |
| Barometer | 30.05 in (1018.1 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 24 Feb 9:52 am CST |
Extended Forecast for
Altenburg MO
Today
High: 49 °F
Partly Sunny
and BreezyTonight
Low: 39 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyWednesday
High: 56 °F
Mostly Cloudy
Wednesday Night
Low: 40 °F
Mostly Cloudy
then Chance
ShowersThursday
High: 54 °F
Chance
Showers then
Mostly SunnyThursday Night
Low: 32 °F
Mostly Clear
Friday
High: 62 °F
Sunny
Friday Night
Low: 40 °F
Mostly Clear
Saturday
High: 67 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a high near 49. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 37 mph.
Tonight
Mostly cloudy, with a low around 39. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly cloudy, with a high near 56. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 40. East southeast wind 5 to 7 mph.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 54. North wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 32. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South southwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 67. South southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind around 10 mph becoming north after midnight.
Sunday
A slight chance of showers. Partly sunny, with a high near 49. Northeast wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35. East northeast wind around 10 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 55. East northeast wind around 10 mph becoming southeast in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Altenburg MO
37.62°N 89.57°W
37.62°N 89.57°W
8:36 am CST Feb 24, 2026
10am CST Feb 24, 2026-6pm CST Mar 2, 2026
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