Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
57°F
14°C
| Humidity | 53% |
| Wind Speed | SE 5 mph |
| Barometer | 30.51 in (1033.4 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 10:52 am CDT |
Extended Forecast for
Jacob IL
Today
High: 71 °F
Sunny
Tonight
Low: 38 °F
Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 43 °F
Clear
Thursday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 71. South southeast wind 3 to 5 mph.
Tonight
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 75. Calm wind.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 76. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 79. Calm wind.
Wednesday Night
Clear, with a low around 43. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind.
Thursday Night
Clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Jacob IL
37.76°N 89.57°W
37.76°N 89.57°W
8:21 am CDT Oct 18, 2026
10am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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