Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
19°F
-7°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 30.39 in (1029.6 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Last update | 4 Feb 10:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
Tonight
Low: 15 °F
Partly Cloudy
Thursday
High: 34 °F
Mostly Cloudy
Thursday Night
Low: 27 °F
Mostly Cloudy
Friday
High: 49 °F
Mostly Sunny
Friday Night
Low: 25 °F
Partly Cloudy
Saturday
High: 36 °F
Mostly Sunny
Saturday Night
Low: 25 °F
Mostly Cloudy
Sunday
High: 51 °F
Partly Sunny
Sunday Night
Low: 31 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 15. Calm wind.
Thursday
Mostly cloudy, with a high near 34. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 27. South wind 5 to 7 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 49. West wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 25. North northwest wind 6 to 10 mph.
Saturday
Mostly sunny, with a high near 36. North northeast wind around 6 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 51. South wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 31. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 55. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 39. South southwest wind around 6 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 60. South southwest wind 6 to 8 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 41. Southwest wind around 7 mph becoming west northwest after midnight.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 57. West northwest wind 6 to 9 mph becoming south southeast 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
11:02 pm CST Feb 4, 2026
11pm CST Feb 4, 2026-6pm CST Feb 11, 2026
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