Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
68°F
20°C
| Humidity | 40% |
| Wind Speed | E 5 mph |
| Barometer | 30.32 in (1026.6 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 5:52 pm CDT |
Extended Forecast for
5 Miles SSE Altenburg MO
Tonight
Low: 47 °F
Partly Cloudy
Tuesday
High: 72 °F
Patchy Fog
then SunnyTuesday Night
Low: 46 °F
Clear
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 47 °F
Clear
Thursday
High: 74 °F
Sunny
Thursday Night
Low: 48 °F
Clear
Friday
High: 74 °F
Sunny
Friday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 47. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 72. Calm wind.
Tuesday Night
Clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 74. Calm wind.
Wednesday Night
Clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 74. Light north northeast wind.
Thursday Night
Clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 74. Light and variable wind.
Friday Night
Mostly clear, with a low around 48. Calm wind.
Saturday
Sunny, with a high near 75. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 51. Calm wind.
Sunday
Mostly sunny, with a high near 75. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 50. Calm wind.
Monday
Mostly sunny, with a high near 75. Light and variable wind.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Altenburg MO
37.58°N 89.55°W
37.58°N 89.55°W
5:16 pm CDT Oct 19, 2026
6pm CDT Oct 19, 2026-6pm CDT Oct 26, 2026
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