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Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
31°F
-1°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.20 in (1023.0 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 8 Nov 5:52 am CST |
Extended Forecast for
3 Miles S Jacob IL
Freeze Warning November 8, 06:33am until November 8, 08:00am
NOW until 8:00am Sun
Freeze Warning
Today
High: 64 °F
Frost and
Patchy Fog
then SunnyTonight

Low: 37 °F
Patchy Fog
Monday
High: 69 °F
Patchy Frost
and Patchy
Fog then
SunnyMonday Night

Low: 40 °F
Clear
Tuesday

High: 73 °F
Sunny
Tuesday Night

Low: 44 °F
Mostly Clear
Veterans Day
High: 70 °F
Mostly Sunny
then Chance
ShowersWednesday Night
Low: 40 °F
Slight Chance
Showers then
Mostly Cloudy
Detailed Forecast
Today
Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming west around 6 mph in the morning.
Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 37. Light and variable wind.
Monday
Patchy fog before 10am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 69. Calm wind.
Monday Night
Clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind becoming west southwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 44. Calm wind.
Veterans Day
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 40. North northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 56. North wind 8 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 32. North wind 5 to 9 mph becoming light.
Friday
Sunny, with a high near 52. North northwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 30. Calm wind.
Saturday
Sunny, with a high near 57. Calm wind becoming northwest around 6 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Jacob IL
37.71°N 89.54°W
37.71°N 89.54°W
5:01 am CST Nov 8, 2026
6am CST Nov 8, 2026-6pm CST Nov 14, 2026



