National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

65°F

18°C

Humidity 84%
Wind Speed S 18 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 60°F (16°C)
Visibility 8.00 mi
Last update 9 Mar 12:52 pm CDT
Extended Forecast for

Jonesboro IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 71. South southwest wind around 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 35. North wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 55. North wind around 7 mph becoming west in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. South southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 62. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 71. South southwest wind around 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 35. North wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 55. North wind around 7 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 65. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 44. Southwest wind around 6 mph becoming east northeast after midnight.
Saturday
Sunny, with a high near 70. East southeast wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 54. South wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 68. South southwest wind 14 to 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonesboro IL
 37.46°N 89.27°W
Last Update:
12:51 pm CDT Mar 9, 2026
Forecast Valid:
12pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation