Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
60°F
16°C
| Humidity | 58% |
| Wind Speed | SE 6 mph |
| Barometer | 29.85 in (1010.6 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 14 Mar 7:52 pm CDT |
Extended Forecast for
3 Miles SSE Alto Pass IL
Wind Advisory March 15, 10:00am until March 16, 07:00am
Tonight

Low: 56 °F
Increasing
CloudsSunday
High: 70 °F
Breezy.
Mostly Cloudy
then Showers
LikelySunday Night

Low: 25 °F
Rain/Snow and
BreezyMonday

High: 33 °F
Mostly Cloudy
Monday Night

Low: 16 °F
Mostly Clear
Tuesday

High: 40 °F
Sunny
Tuesday Night

Low: 32 °F
Mostly Cloudy
Wednesday

High: 60 °F
Mostly Sunny
Wednesday Night

Low: 41 °F
Mostly Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 56. South wind 8 to 14 mph, with gusts as high as 25 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 18 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers, mixing with snow after 10pm, then gradually ending. Some thunder is also possible. Low around 25. Breezy, with a west northwest wind around 21 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Mostly cloudy, with a high near 33. West northwest wind 16 to 18 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 16. West northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 40. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. South wind 5 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 60. South wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 41. South southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 70. South southwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 48. South wind around 5 mph.
Friday
Sunny, with a high near 74. South southwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 49. West southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 77. West northwest wind 7 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Alto Pass IL
37.52°N 89.3°W
37.52°N 89.3°W
6:12 pm CDT Mar 14, 2026
8pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026



