Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
24°F
-4°C
| Humidity | 81% |
| Wind Speed | S 7 mph |
| Barometer | 30.41 in (1030.3 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 12 Jan 5:52 am CST |
Extended Forecast for
Jonesboro IL
Today
High: 50 °F
Sunny
Tonight
Low: 34 °F
Mostly Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 41 °F
Chance
ShowersWednesday
High: 46 °F
Slight Chance
Showers then
Slight Chance
Rain/SnowWednesday Night
Low: 19 °F
Mostly Cloudy
Thursday
High: 32 °F
Sunny
Thursday Night
Low: 24 °F
Mostly Cloudy
Friday
High: 44 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 50. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 34. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 58. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. Southwest wind 6 to 10 mph becoming west northwest after midnight.
Wednesday
A slight chance of rain showers before 3pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 46. North northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 11 to 17 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 32. North northwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 24. Light and variable wind becoming south southwest 5 to 8 mph in the evening.
Friday
Partly sunny, with a high near 44. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 23. West southwest wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 35. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind around 8 mph.
Sunday
Sunny, with a high near 30. West wind 7 to 10 mph, with gusts as high as 18 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Jonesboro IL
37.46°N 89.27°W
37.46°N 89.27°W
3:16 am CST Jan 12, 2026
6am CST Jan 12, 2026-6pm CST Jan 18, 2026
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