Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
27°F
-3°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.39 in (1029.4 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 27 Nov 8:52 pm CST |
Extended Forecast for
2 Miles N Saint Johns IL
Tonight
Low: 24 °F
Clear
Friday
High: 40 °F
Sunny
Friday Night
Low: 30 °F
Mostly Cloudy
then Chance
SnowSaturday
High: 41 °F
Wintry Mix
Saturday Night
Low: 28 °F
Rain then
Slight Chance
Rain/SnowSunday
High: 32 °F
Mostly Cloudy
Sunday Night
Low: 19 °F
Mostly Cloudy
Monday
High: 31 °F
Mostly Cloudy
Monday Night
Low: 22 °F
Chance Snow
Detailed Forecast
Tonight
Clear, with a low around 24. Calm wind becoming northwest around 6 mph after midnight.
Friday
Sunny, with a high near 40. North northwest wind around 5 mph becoming calm in the afternoon.
Friday Night
A 50 percent chance of snow, mainly after 3am. Mostly cloudy, with a low around 30. Calm wind becoming southeast 5 to 8 mph after midnight.
Saturday
Snow, possibly mixed with rain and sleet before noon, then rain and snow between noon and 3pm, then rain after 3pm. High near 41. Southeast wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Rain before 3am, then a slight chance of rain and snow. Low around 28. South wind 11 to 14 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Sunday
Mostly cloudy, with a high near 32. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 19. North wind 5 to 9 mph.
Monday
Mostly cloudy, with a high near 31. Northeast wind around 6 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22. Light north northeast wind.
Tuesday
Partly sunny, with a high near 33. Northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 20. Light and variable wind.
Wednesday
Mostly sunny, with a high near 39. South wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 25. South wind around 5 mph becoming light and variable.
Thursday
Mostly cloudy, with a high near 39. Northwest wind 5 to 7 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
9:01 pm CST Nov 27, 2025
9pm CST Nov 27, 2025-6pm CST Dec 4, 2025
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