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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 24 Jul 8:35 pm CDT
Extended Forecast for

8 Miles E Cobden IL

Heat Advisory July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph.

    High: 84 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Calm wind.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 95. Southwest wind 3 to 8 mph.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southwest wind 5 to 7 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. West northwest wind 5 to 8 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. North wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny, with a high near 91. Calm wind.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Mostly sunny, with a high near 95. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 77. South southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 95. West northwest wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 73. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 92. Calm wind becoming north northeast around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 71. Light east northeast wind.
Thursday
Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 72. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Cobden IL
 37.54°N 89.13°W
Last Update:
8:25 pm CDT Jul 24, 2026
Forecast Valid:
8pm CDT Jul 24, 2026-6pm CDT Jul 31, 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