Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Light Snow Fog/Mist
12°F
-11°C
| Humidity | 84% |
| Wind Speed | NE 10 G 22 mph |
| Barometer | 30.26 in (1025.4 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 0.75 mi |
| Wind Chill | -1°F (-18°C) |
| Last update | 24 Jan 8:52 pm CST |
Extended Forecast for
3 Miles NE Jacob IL
Cold Weather Advisory January 24, 09:07pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Winter Storm Warning January 24, 09:07pm until January 25, 06:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 11 °F
Heavy Snow
Sunday
High: 16 °F
Snow
Sunday Night
Low: -3 °F
Gradual
ClearingMonday
High: 16 °F
Sunny
Monday Night
Low: 1 °F
Mostly Clear
Tuesday
High: 30 °F
Sunny
Tuesday Night
Low: 4 °F
Partly Cloudy
Wednesday
High: 27 °F
Mostly Sunny
Detailed Forecast
Tonight
Snow. The snow could be heavy at times. Low around 11. Wind chill values as low as -2. North northeast wind 7 to 11 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 3pm. High near 16. Wind chill values as low as -3. North wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around -3. Wind chill values as low as -16. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 16. Wind chill values as low as -17. Northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 1. Light southwest wind becoming south southwest 5 to 9 mph in the evening.
Tuesday
Sunny, with a high near 30. South southwest wind 5 to 9 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 4. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 27. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 2. Southwest wind around 5 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 19. North northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 1. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 20. North northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 1. Light north wind.
Saturday
Mostly sunny, with a high near 23. North northwest wind 3 to 7 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
8:17 pm CST Jan 24, 2026
9pm CST Jan 24, 2026-6pm CST Jan 31, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
