Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
26°F
-3°C
| Humidity | 48% |
| Wind Speed | NW 15 G 23 mph |
| Barometer | 30.15 in (1021.6 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 16 Mar 11:52 pm CDT |
Extended Forecast for
2 Miles N Saint Johns IL
Tonight
Low: 16 °F
Mostly Cloudy
Tuesday
High: 37 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Slight Chance
Snow Showers
then Chance
Rain/SnowWednesday
High: 61 °F
Chance
Showers then
SunnyWednesday Night
Low: 42 °F
Mostly Cloudy
Thursday
High: 71 °F
Mostly Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 74 °F
Mostly Sunny
Friday Night
Low: 49 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 16. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 6 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
A chance of snow showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Light southeast wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 61. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 42. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 71. South wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 48. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 74. West wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 49. Southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 77. Southwest wind 6 to 8 mph.
Saturday Night
Clear, with a low around 54. South southwest wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 76. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 43. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 58. 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
11:36 pm CDT Mar 16, 2026
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
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