Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
44°F
7°C
| Humidity | 83% |
| Wind Speed | E 5 mph |
| Barometer | 30.08 in (1018.6 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 9 Jan 11:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
Overnight
Low: 41 °F
Mostly Cloudy
Saturday
High: 44 °F
Chance
Showers then
Mostly SunnySaturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 38 °F
Sunny
Sunday Night
Low: 24 °F
Clear
Monday
High: 50 °F
Sunny
Monday Night
Low: 34 °F
Mostly Clear
Tuesday
High: 56 °F
Mostly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 41. Calm wind.
Saturday
A chance of showers between 9am and 10am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 44. Light north northwest wind becoming northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 27. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 38. Northwest wind 5 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 24. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 50. Southwest wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 56. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 38. West southwest wind 6 to 9 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 44. North northwest wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 22. North northwest wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 35. North northwest wind 6 to 9 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind 5 to 9 mph.
Friday
Partly sunny, with a high near 42. West wind 8 to 13 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
11:17 pm CST Jan 9, 2026
12am CST Jan 10, 2026-6pm CST Jan 16, 2026
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