News Headlines
Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
43°F
6°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 30.48 in (1032.3 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 15 Nov 9:52 am CST |
Extended Forecast for
Jonesboro IL
Today

High: 55 °F
Mostly Sunny
Tonight

Low: 30 °F
Mostly Clear
Monday

High: 58 °F
Sunny
Monday Night

Low: 31 °F
Clear
Tuesday

High: 60 °F
Sunny
Tuesday Night

Low: 33 °F
Clear
Wednesday

High: 63 °F
Sunny
Wednesday Night

Low: 40 °F
Partly Cloudy
Thursday

High: 66 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 55. Light east northeast wind.
Tonight
Mostly clear, with a low around 30. Calm wind.
Monday
Sunny, with a high near 58. Calm wind.
Monday Night
Clear, with a low around 31. Calm wind.
Tuesday
Sunny, with a high near 60. Light south southeast wind.
Tuesday Night
Clear, with a low around 33. Light southeast wind.
Wednesday
Sunny, with a high near 63. South wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 40. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 66. South southwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45. Light south wind.
Saturday
Mostly sunny, with a high near 70. South wind 5 to 13 mph, with gusts as high as 18 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
7:51 am CST Nov 15, 2026
10am CST Nov 15, 2026-6pm CST Nov 21, 2026



