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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

74°F

23°C

Humidity 88%
Wind Speed NW 3 mph
Barometer 30.19 in (1022.1 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 5 Aug 9:52 am CDT
Extended Forecast for

Jonesboro IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Light southeast wind.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 71. Light southeast wind.

    Low: 71 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91. South wind 3 to 6 mph.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 69. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 91. Light southeast wind.
Thursday Night
Clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Clear, with a low around 71. Light southeast wind.
Saturday
Sunny, with a high near 91. South wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 91. South wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 73. Light south wind.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonesboro IL
 37.46°N 89.27°W
Last Update:
9:17 am CDT Aug 5, 2025
Forecast Valid:
10am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
Forecast Discussion
 
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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