Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
50°F
10°C
| Humidity | 35% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 29.94 in (1013.9 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 20 Feb 3:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
This Afternoon

High: 47 °F
Sunny
Tonight

Low: 29 °F
Partly Cloudy
Saturday

High: 43 °F
Partly Sunny
Saturday Night

Low: 23 °F
Mostly Clear
Sunday

High: 36 °F
Sunny and
BreezySunday Night

Low: 17 °F
Mostly Clear
Monday

High: 33 °F
Sunny
Monday Night

Low: 17 °F
Mostly Clear
Tuesday

High: 48 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 47. West northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 29. West northwest wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 43. Northwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 23. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 36. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 17. Northwest wind around 14 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 33. North northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 48. South southwest wind 5 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 60. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 37. South southwest wind 8 to 10 mph becoming north northwest after midnight.
Thursday
A slight chance of showers. Partly sunny, with a high near 53. North northwest wind 6 to 9 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
3:22 pm CST Feb 20, 2026
4pm CST Feb 20, 2026-6pm CST Feb 26, 2026


