Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
15°F
-9°C
| Humidity | 61% |
| Wind Speed | W 6 mph |
| Barometer | 30.27 in (1025.6 mb) |
| Dewpoint | 4°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 18 Jan 2:52 am CST |
Extended Forecast for
2 Miles N Saint Johns IL
Overnight
Low: 11 °F
Mostly Clear
Sunday
High: 31 °F
Chance
FlurriesSunday Night
Low: 13 °F
Partly Cloudy
M.L.King Day
High: 22 °F
Mostly Sunny
Monday Night
Low: 9 °F
Mostly Clear
Tuesday
High: 36 °F
Sunny
Tuesday Night
Low: 27 °F
Partly Cloudy
Wednesday
High: 45 °F
Mostly Sunny
Wednesday Night
Low: 22 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 11. West wind 3 to 5 mph.
Sunday
A chance of flurries between 11am and 3pm. Increasing clouds, with a high near 31. South southwest wind 5 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 13. South southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
M.L.King Day
Mostly sunny, with a high near 22. Wind chill values as low as -3. Northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 9. Calm wind becoming south southwest around 5 mph after midnight.
Tuesday
Sunny, with a high near 36. South southwest wind 5 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 27. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 45. West southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 22. West northwest wind around 6 mph.
Thursday
Sunny, with a high near 37. West northwest wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 26. South wind 3 to 8 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 45. South southwest wind 8 to 11 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 27. South wind 8 to 10 mph becoming north after midnight.
Saturday
A chance of showers. Partly sunny, with a high near 34. North northeast wind around 11 mph, with gusts as high as 18 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
2:46 am CST Jan 18, 2026
3am CST Jan 18, 2026-6pm CST Jan 24, 2026
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