Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Mostly Cloudy
34°F
1°C
| Humidity | 76% |
| Wind Speed | S 7 mph |
| Barometer | 30.13 in (1020.7 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 9.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 3 Dec 3:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
This Afternoon
High: 35 °F
Mostly Cloudy
Tonight
Low: 22 °F
Slight Chance
Freezing Rain
then Slight
Chance Wintry
MixThursday
High: 25 °F
Decreasing
CloudsThursday Night
Low: 19 °F
Mostly Cloudy
Friday
High: 40 °F
Mostly Sunny
Friday Night
Low: 26 °F
Partly Cloudy
Saturday
High: 44 °F
Partly Sunny
Saturday Night
Low: 28 °F
Mostly Cloudy
then Slight
Chance
Freezing RainSunday
High: 38 °F
Slight Chance
Showers then
Partly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 35. South wind around 5 mph.
Tonight
A slight chance of freezing rain before 1am, then a slight chance of snow showers between 1am and 5am. Cloudy, with a low around 22. Light and variable wind becoming north 6 to 11 mph after midnight. Chance of precipitation is 20%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 25. North wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 19. Light and variable wind.
Friday
Mostly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 26. Light southwest wind.
Saturday
Partly sunny, with a high near 44. Calm wind becoming west southwest around 6 mph.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Calm wind becoming north northeast around 6 mph after midnight.
Sunday
A slight chance of showers before noon. Partly sunny, with a high near 38. North northeast wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 19. North wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 35. Light and variable wind becoming north northwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 24. South southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 45. Southwest wind 8 to 11 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
3:16 pm CST Dec 3, 2025
3pm CST Dec 3, 2025-6pm CST Dec 9, 2025
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