Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
45°F
7°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 29.87 in (1011.6 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 4 Nov 11:52 pm CST |
Extended Forecast for
2 Miles W Alto Pass IL
Overnight

Low: 46 °F
Patchy Fog
Thursday
High: 65 °F
Patchy Fog
then SunnyThursday Night

Low: 45 °F
Partly Cloudy
Friday

High: 55 °F
Decreasing
CloudsFriday Night

Low: 34 °F
Mostly Clear
Saturday

High: 54 °F
Sunny
Saturday Night

Low: 34 °F
Mostly Clear
Sunday

High: 57 °F
Sunny
Sunday Night

Low: 36 °F
Clear
Detailed Forecast
Overnight
Patchy fog. Otherwise, clear, with a low around 46. Light southwest wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 65. Light and variable wind becoming west 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 45. Calm wind becoming north northwest around 5 mph after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 55. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 34. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 54. Light north wind.
Saturday Night
Mostly clear, with a low around 34. Calm wind.
Sunday
Sunny, with a high near 57. Light and variable wind.
Sunday Night
Clear, with a low around 36. Calm wind.
Monday
Sunny, with a high near 62. Light and variable wind.
Monday Night
Clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 65. Light west wind.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Veterans Day
Sunny, with a high near 65. Calm wind becoming north northwest around 5 mph.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Alto Pass IL
37.57°N 89.35°W
37.57°N 89.35°W
12:26 am CST Nov 5, 2026
12am CST Nov 5, 2026-6pm CST Nov 11, 2026


