Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
A Few Clouds
48°F
9°C
| Humidity | 42% |
| Wind Speed | SE 7 mph |
| Barometer | 30.31 in (1026.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 29 Mar 3:52 am CDT |
Extended Forecast for
2 Miles N Saint Johns IL
Today
High: 68 °F
Mostly Sunny
Tonight
Low: 56 °F
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
and BreezyMonday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 83 °F
Mostly Sunny
and BreezyTuesday Night
Low: 54 °F
Chance
Showers then
Showers
LikelyWednesday
High: 66 °F
Showers
Wednesday Night
Low: 51 °F
Showers
LikelyThursday
High: 68 °F
Showers
Likely
Detailed Forecast
Today
Mostly sunny, with a high near 68. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 56. South wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 64. South southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 37 mph.
Tuesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. South southwest wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 66. North northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. Northeast wind around 10 mph, with gusts as high as 18 mph.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. Southeast wind around 11 mph, with gusts as high as 18 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 51. South southeast wind around 9 mph becoming west southwest after midnight.
Friday
A chance of showers. Mostly cloudy, with a high near 76. South wind 8 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South southeast wind around 9 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. South wind 13 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
3:27 am CDT Mar 29, 2026
4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
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