Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
27°F
-3°C
| Humidity | 51% |
| Wind Speed | NW 14 G 21 mph |
| Barometer | 30.56 in (1035.4 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 23 Feb 11:52 am CST |
Extended Forecast for
2 Miles N Saint Johns IL
This Afternoon
High: 32 °F
Sunny
Tonight
Low: 20 °F
Mostly Clear
Tuesday
High: 48 °F
Increasing
Clouds and
BreezyTuesday Night
Low: 38 °F
Mostly Cloudy
Wednesday
High: 54 °F
Partly Sunny
Wednesday Night
Low: 39 °F
Slight Chance
Showers then
Chance
ShowersThursday
High: 50 °F
Chance
Showers then
Partly SunnyThursday Night
Low: 32 °F
Mostly Clear
Friday
High: 60 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 32. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 20. Calm wind becoming south around 6 mph after midnight.
Tuesday
Increasing clouds, with a high near 48. Breezy, with a south southwest wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Partly sunny, with a high near 54. West wind around 6 mph becoming east northeast in the afternoon.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. East wind 5 to 8 mph.
Thursday
A 40 percent chance of showers before noon. Partly sunny, with a high near 50. North northwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 32. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Light south wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 39. South southwest wind around 8 mph.
Saturday
Sunny, with a high near 66. South southwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind 8 to 10 mph becoming north in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 51. Northeast wind 9 to 11 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
12:31 pm CST Feb 23, 2026
12pm CST Feb 23, 2026-6pm CST Mar 1, 2026
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