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

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

65°F

18°C

Humidity 51%
Wind Speed Calm
Barometer 29.88 in (1012.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 5 Nov 4:52 pm CST
Extended Forecast for

5 Miles WNW Jonesboro IL

  • Tonight

    Tonight: Increasing clouds, with a low around 47. North northwest wind 3 to 7 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 56. North wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy frost after 2am. Otherwise, clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 54. Light north wind.

    High: 54 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 60. Calm wind.

    High: 60 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 4am. Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 7am. Otherwise, sunny, with a high near 65. Calm wind becoming south southwest around 5 mph.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Light southwest wind.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. North northwest wind 3 to 7 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 56. North wind 6 to 10 mph, with gusts as high as 22 mph.
Friday Night
Patchy frost after 2am. Otherwise, clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 54. Light north wind.
Saturday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 33. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 60. Calm wind.
Sunday Night
Patchy frost after 4am. Otherwise, clear, with a low around 36. Calm wind.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 65. Calm wind becoming south southwest around 5 mph.
Monday Night
Mostly clear, with a low around 39. Light southwest wind.
Tuesday
Sunny, with a high near 67. Light and variable wind.
Tuesday Night
Clear, with a low around 40. Calm wind.
Veterans Day
Sunny, with a high near 65. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 41. Calm wind.
Thursday
Sunny, with a high near 63. Calm wind becoming northwest around 6 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Jonesboro IL
 37.48°N 89.36°W
Last Update:
4:21 pm CST Nov 5, 2026
Forecast Valid:
5pm CST Nov 5, 2026-6pm CST Nov 12, 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