Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
71°F
22°C
| Humidity | 24% |
| Wind Speed | S 16 G 28 mph |
| Barometer | 30.10 in (1019.1 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 29 Mar 5:52 pm CDT |
Extended Forecast for
2 Miles N Saint Johns IL
Red Flag Warning until March 29, 07:00pm
NOW until 7:00pm Sun
Red Flag Warning
Tonight
Low: 56 °F
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
then Sunny
and BreezyMonday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 82 °F
Mostly Sunny
and BreezyTuesday Night
Low: 61 °F
Slight Chance
Showers then
Chance
ShowersWednesday
High: 75 °F
Showers
Wednesday Night
Low: 58 °F
Showers
Thursday
High: 72 °F
Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 56. South southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 79. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 64. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 82. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 30 mph.
Tuesday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 61. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Wednesday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. South southwest wind 8 to 11 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 58. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 52. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 73. South wind 9 to 11 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. South wind 11 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. South southwest wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. West northwest wind 14 to 16 mph, with gusts as high as 22 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
5:51 pm CDT Mar 29, 2026
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
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