Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
48°F
9°C
| Humidity | 50% |
| Wind Speed | NW 6 mph |
| Barometer | 29.80 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 25 Feb 9:52 am CST |
Extended Forecast for
2 Miles N Saint Johns IL
Today
High: 54 °F
Mostly Cloudy
Tonight
Low: 37 °F
Chance
ShowersThursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 35 °F
Mostly Clear
Friday
High: 66 °F
Sunny
Friday Night
Low: 41 °F
Clear
Saturday
High: 65 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Slight Chance
Showers then
Mostly CloudySunday
High: 48 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Today
Mostly cloudy, with a high near 54. Light and variable wind.
Tonight
A 40 percent chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 37. East northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 56. East northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 35. Light and variable wind.
Friday
Sunny, with a high near 66. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Clear, with a low around 41. South wind 6 to 8 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 65. North wind 6 to 9 mph becoming south southeast in the afternoon.
Saturday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 34. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of showers after noon. Cloudy, with a high near 48. East northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Rain likely, possibly mixed with snow showers. Cloudy, with a low around 32. East northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers. Cloudy, with a high near 43. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Cloudy, with a low around 32. East northeast wind around 8 mph.
Tuesday
A chance of showers. Cloudy, with a high near 48. East wind 6 to 8 mph becoming west in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles N Saint Johns IL
38.06°N 89.24°W
38.06°N 89.24°W
9:46 am CST Feb 25, 2026
10am CST Feb 25, 2026-6pm CST Mar 3, 2026
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