Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
46°F
8°C
| Humidity | 51% |
| Wind Speed | NW 12 G 18 mph |
| Barometer | 30.15 in (1020.9 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 10 Jan 2:52 pm CST |
Extended Forecast for
Jonesboro IL
This Afternoon

High: 47 °F
Sunny
Tonight
Low: 27 °F
Slight Chance
Showers then
Mostly ClearSunday

High: 41 °F
Sunny
Sunday Night

Low: 26 °F
Clear
Monday

High: 49 °F
Sunny
Monday Night

Low: 34 °F
Mostly Clear
Tuesday

High: 57 °F
Mostly Sunny
Tuesday Night

Low: 40 °F
Mostly Cloudy
Wednesday

High: 46 °F
Slight Chance
Showers
Detailed Forecast
This Afternoon
Sunny, with a high near 47. West wind 6 to 11 mph, with gusts as high as 23 mph.
Tonight
A slight chance of showers or sprinkles before midnight, then a slight chance of sprinkles between midnight and 1am. Increasing clouds, with a low around 27. Light southwest wind becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 41. Northwest wind 5 to 13 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 26. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 49. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 57. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 40. West southwest wind 6 to 10 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 46. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 20. North northwest wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 37. North northwest wind 5 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. South southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST
Point Forecast:
Jonesboro IL
37.46°N 89.27°W
37.46°N 89.27°W
3:16 pm CST Jan 10, 2026
3pm CST Jan 10, 2026-6pm CST Jan 16, 2026



