Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
20°F
-7°C
| Humidity | 81% |
| Wind Speed | NW 3 mph |
| Barometer | 30.21 in (1023.3 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 9.00 mi |
| Last update | 4 Dec 11:52 pm CST |
Extended Forecast for
Jonesboro IL
Overnight
Low: 22 °F
Mostly Cloudy
Friday
High: 42 °F
Becoming
SunnyFriday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 46 °F
Mostly Sunny
Saturday Night
Low: 30 °F
Mostly Cloudy
then Slight
Chance
ShowersSunday
High: 45 °F
Slight Chance
Showers then
Partly SunnySunday Night
Low: 22 °F
Slight Chance
Rain/Snow
then Mostly
CloudyMonday
High: 36 °F
Mostly Sunny
Monday Night
Low: 24 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 22. Calm wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 42. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 27. South wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 46. Light and variable wind.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 30. Calm wind becoming east southeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 45. East southeast wind 5 to 10 mph becoming north northwest in the morning.
Sunday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 22. North wind 7 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 7 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South southwest wind 6 to 10 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 26. Northwest wind around 8 mph.
Thursday
Partly sunny, with a high near 38. Northwest wind 7 to 9 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
10:26 pm CST Dec 4, 2025
12am CST Dec 5, 2025-6pm CST Dec 11, 2025
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