Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
29°F
-2°C
| Humidity | 82% |
| Wind Speed | S 9 mph |
| Barometer | 29.95 in (1014.7 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 8.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 5 Dec 8:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
Tonight
Low: 28 °F
Increasing
CloudsSaturday
High: 43 °F
Partly Sunny
Saturday Night
Low: 33 °F
Cloudy
Sunday
High: 45 °F
Slight Chance
Showers then
Mostly CloudySunday Night
Low: 21 °F
Slight Chance
Snow Showers
then Mostly
CloudyMonday
High: 35 °F
Mostly Sunny
Monday Night
Low: 23 °F
Partly Cloudy
Tuesday
High: 48 °F
Mostly Sunny
Tuesday Night
Low: 37 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 28. South southwest wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 43. West wind around 5 mph becoming calm in the morning.
Saturday Night
Cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 45. South wind 6 to 11 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 21. North wind 7 to 11 mph.
Monday
Mostly sunny, with a high near 35. North wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 23. Calm wind becoming south southwest 5 to 9 mph after midnight.
Tuesday
Mostly sunny, with a high near 48. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South southwest wind around 14 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 47. West wind 10 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 27. West northwest wind 7 to 9 mph.
Thursday
Mostly cloudy, with a high near 41. North wind 7 to 10 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind around 7 mph becoming northwest after midnight.
Friday
Partly sunny, with a high near 34. Northwest wind 7 to 10 mph.
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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
7:27 pm CST Dec 5, 2025
9pm CST Dec 5, 2025-6pm CST Dec 12, 2025
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