Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
36°F
2°C
| Humidity | 27% |
| Wind Speed | S 13 mph |
| Barometer | 30.34 in (1028.1 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 20 Jan 3:52 pm CST |
Extended Forecast for
3 Miles NE Jacob IL
This Afternoon

High: 36 °F
Sunny
Tonight
Low: 26 °F
Mostly Clear
then Slight
Chance
Freezing RainWednesday

High: 48 °F
Decreasing
CloudsWednesday Night

Low: 24 °F
Mostly Clear
Thursday

High: 39 °F
Mostly Sunny
Thursday Night

Low: 16 °F
Mostly Cloudy
Friday

High: 20 °F
Mostly Cloudy
Friday Night
Low: 5 °F
Cloudy then
Chance SnowSaturday

High: 14 °F
Snow Likely
Detailed Forecast
This Afternoon
Sunny, with a high near 36. South wind around 10 mph.
Tonight
A slight chance of freezing rain between 3am and 4am. Increasing clouds, with a low around 26. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 48. West wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 24. West wind around 5 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 39. North wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 16. Light north northeast wind becoming north 5 to 9 mph after midnight.
Friday
Mostly cloudy, with a high near 20. North wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of snow after midnight. Cloudy, with a low around 5. North northeast wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 14. North northeast wind around 11 mph, with gusts as high as 18 mph.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 9. North wind 6 to 10 mph.
Sunday
Partly sunny, with a high near 22. North wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 7. Light north northwest wind.
Monday
Mostly sunny, with a high near 25. West northwest wind 3 to 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NE Jacob IL
37.78°N 89.51°W
37.78°N 89.51°W
3:16 pm CST Jan 20, 2026
4pm CST Jan 20, 2026-6pm CST Jan 26, 2026



