Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
69°F
21°C
| Humidity | 51% |
| Wind Speed | W 8 mph |
| Barometer | 30.08 in (1018.3 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 5 Nov 11:52 am CST |
Extended Forecast for
2 Miles N Saint Johns IL
This Afternoon
High: 71 °F⇓
Sunny
Tonight
Low: 38 °F
Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 52 °F
Increasing
CloudsFriday
High: 73 °F
Chance
ShowersFriday Night
Low: 44 °F
Mostly Clear
Saturday
High: 68 °F
Sunny then
Slight Chance
ShowersSaturday Night
Low: 36 °F
Slight Chance
Showers then
Partly CloudySunday
High: 44 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a temperature falling to around 65 by 5pm. West wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 38. North northwest wind 5 to 9 mph becoming east northeast after midnight.
Thursday
Sunny, with a high near 65. Southeast wind 5 to 11 mph.
Thursday Night
Increasing clouds, with a low around 52. Southeast wind 7 to 14 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 73. West wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 68. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 36. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 44. Northwest wind 14 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 23. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 44. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 27. Southwest wind around 7 mph.
Veterans Day
Mostly sunny, with a high near 54. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles N Saint Johns IL
38.06°N 89.24°W
38.06°N 89.24°W
12:26 pm CST Nov 5, 2025
12pm CST Nov 5, 2025-6pm CST Nov 11, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
