Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
71°F
22°C
| Humidity | 76% |
| Wind Speed | S 16 G 30 mph |
| Barometer | 29.86 in (1010.9 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 2 Apr 7:52 pm CDT |
Extended Forecast for
2 Miles N Saint Johns IL
Tonight
Low: 65 °F
Chance
T-storms then
Chance
ShowersFriday
High: 81 °F
Chance
T-stormsFriday Night
Low: 60 °F
Chance
Showers then
ShowersSaturday
High: 68 °F
Showers
Saturday Night
Low: 40 °F
Partly Cloudy
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 38 °F
Clear
Monday
High: 64 °F
Sunny
Monday Night
Low: 37 °F
Partly Cloudy
Detailed Forecast
Tonight
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. South southwest wind 10 to 18 mph, with gusts as high as 30 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 81. South wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 60. South wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. Southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 40. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 59. Northwest wind 6 to 11 mph.
Sunday Night
Clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 64. Northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 37. North wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 56. North northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 37. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 67. South wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 50. South wind around 9 mph.
Thursday
Sunny, with a high near 74. South southwest wind 10 to 14 mph, with gusts as high as 21 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
6:46 pm CDT Apr 2, 2026
8pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
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