Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
A Few Clouds
47°F
8°C
| Humidity | 59% |
| Wind Speed | W 12 G 24 mph |
| Barometer | 30.04 in (1017.1 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 26 Nov 12:52 am CST |
Extended Forecast for
2 Miles N Saint Johns IL
Overnight

Low: 35 °F
Mostly Clear
Wednesday
High: 45 °F
Mostly Sunny
and Breezy
then SunnyWednesday Night

Low: 29 °F
Increasing
CloudsThanksgiving Day

High: 43 °F
Sunny
Thursday Night

Low: 23 °F
Mostly Clear
Friday

High: 39 °F
Sunny
Friday Night
Low: 28 °F
Mostly Cloudy
then Chance
Snow ShowersSaturday
High: 41 °F
Rain/Snow
Likely then
ShowersSaturday Night

Low: 30 °F
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 35. West wind 16 to 18 mph, with gusts as high as 33 mph.
Wednesday
Sunny, with a high near 45. Breezy, with a west northwest wind 13 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Increasing clouds, with a low around 29. West northwest wind 6 to 10 mph.
Thanksgiving Day
Sunny, with a high near 43. West northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 23. West northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 39. Light and variable wind.
Friday Night
A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Calm wind becoming southeast 5 to 8 mph after midnight.
Saturday
Rain and snow showers likely before noon, then rain showers. Cloudy, with a high near 41. South wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Showers. Cloudy, with a low around 30. South wind 7 to 10 mph becoming west northwest after midnight.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Northwest wind 9 to 11 mph.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 21. North wind 6 to 8 mph.
Monday
A chance of snow showers. Mostly cloudy, with a high near 34. North wind around 7 mph.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 22. North wind around 6 mph.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 35. North northwest wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles N Saint Johns IL
38.06°N 89.24°W
38.06°N 89.24°W
11:46 pm CST Nov 25, 2025
1am CST Nov 26, 2025-6pm CST Dec 2, 2025



