Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
28°F
-2°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 30.39 in (1029.4 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 22 Jan 8:52 am CST |
Extended Forecast for
3 Miles NE Jacob IL
Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Today
High: 40 °F
Mostly Sunny
Tonight
Low: 15 °F
Partly Cloudy
Friday
High: 21 °F⇓
Partly Sunny
Friday Night
Low: 6 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersSaturday
High: 15 °F
Snow Showers
Likely then
Snow ShowersSaturday Night
Low: 10 °F
Snow Showers
Sunday
High: 17 °F
Chance Snow
ShowersSunday Night
Low: 2 °F
Partly Cloudy
Monday
High: 21 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 40. North wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 15. Light northeast wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a temperature falling to around 15 by 8am. Wind chill values as low as zero. North wind 13 to 15 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Cloudy, with a low around 6. Wind chill values as low as -6. North northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
Snow showers. High near 15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Snow showers. Low around 10. North northeast wind 7 to 10 mph. Chance of precipitation is 90%.
Sunday
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 17. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 2. West northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 21. West northwest wind 5 to 7 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 8. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 33. South southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 18. South wind around 6 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 32. West northwest wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NE Jacob IL
37.78°N 89.51°W
37.78°N 89.51°W
6:17 am CST Jan 22, 2026
8am CST Jan 22, 2026-6pm CST Jan 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
