Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
57°F
14°C
| Humidity | 47% |
| Wind Speed | N 9 mph |
| Barometer | 30.53 in (1033.9 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 12:52 pm CDT |
Extended Forecast for
5 Miles SSW Pinckneyville IL
Frost Advisory October 18, 01:00am until October 18, 08:00am
This Afternoon

High: 61 °F
Sunny
Tonight

Low: 33 °F
Clear then
Areas FrostSunday

High: 69 °F
Frost then
SunnySunday Night

Low: 36 °F
Clear
Monday

High: 73 °F
Sunny
Monday Night

Low: 39 °F
Mostly Clear
Tuesday

High: 76 °F
Sunny
Tuesday Night

Low: 41 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 61. North wind around 7 mph.
Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 33. Calm wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 36. Calm wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 76. Calm wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind.
Wednesday Night
Mostly clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 78. Calm wind.
Thursday Night
Clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Pinckneyville IL
38.02°N 89.41°W
38.02°N 89.41°W
12:26 pm CDT Oct 17, 2026
1pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026



