Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
46°F
8°C
| Humidity | 51% |
| Wind Speed | NW 16 G 32 mph |
| Barometer | 29.75 in (1007.4 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 10 Dec 10:52 am CST |
Extended Forecast for
Jonesboro IL
Today

High: 45 °F⇓
Partly Sunny
and BreezyTonight

Low: 25 °F
Mostly Cloudy
Thursday

High: 39 °F
Partly Sunny
Thursday Night

Low: 35 °F
Mostly Cloudy
Friday

High: 48 °F
Mostly Sunny
Friday Night

Low: 23 °F
Mostly Cloudy
Saturday

High: 39 °F
Partly Sunny
Saturday Night

Low: 13 °F
Mostly Cloudy
Sunday

High: 27 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a temperature falling to around 36 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 37 mph.
Tonight
Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Thursday
Partly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 35. South southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 48. Southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 23. North northwest wind 5 to 8 mph.
Saturday
Partly sunny, with a high near 39. North wind around 6 mph becoming east southeast in the morning.
Saturday Night
Mostly cloudy, with a low around 13. North wind 5 to 9 mph.
Sunday
Sunny, with a high near 27. North wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 13. North northeast wind around 6 mph becoming light and variable in the evening.
Monday
Mostly sunny, with a high near 37. Light and variable wind becoming south 5 to 8 mph in the morning.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 27. South southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 45. South wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Jonesboro IL
37.46°N 89.27°W
37.46°N 89.27°W
11:02 am CST Dec 10, 2025
11am CST Dec 10, 2025-6pm CST Dec 16, 2025



