Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
27°F
-3°C
| Humidity | 89% |
| Wind Speed | S 7 mph |
| Barometer | 29.93 in (1014.0 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 7.00 mi |
| Wind Chill | 19°F (-7°C) |
| Last update | 5 Feb 11:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
Overnight

Low: 27 °F
Mostly Clear
Friday

High: 46 °F
Mostly Sunny
Friday Night

Low: 22 °F
Partly Cloudy
Saturday

High: 34 °F
Sunny
Saturday Night

Low: 23 °F
Partly Cloudy
Sunday

High: 48 °F
Mostly Sunny
Sunday Night

Low: 29 °F
Mostly Clear
Monday

High: 55 °F
Sunny
Monday Night

Low: 39 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 27. West southwest wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 46. West southwest wind 8 to 15 mph becoming north northwest in the morning. Winds could gust as high as 24 mph.
Friday Night
Partly cloudy, with a low around 22. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 34. North northeast wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around 23. Southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 48. South wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 29. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 39. South wind around 6 mph.
Tuesday
A slight chance of showers after noon. Partly sunny, with a high near 61. South southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers. Cloudy, with a low around 44. Southwest wind around 8 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 56. West southwest wind 7 to 9 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 37. West southwest wind around 7 mph becoming northwest after midnight.
Thursday
A chance of showers. Mostly cloudy, with a high near 50. Northwest wind 7 to 9 mph becoming east northeast in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles N Saint Johns IL
38.06°N 89.24°W
38.06°N 89.24°W
12:06 am CST Feb 6, 2026
12am CST Feb 6, 2026-6pm CST Feb 12, 2026


