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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

75°F

24°C

Humidity 36%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 6 Oct 5:47 pm CDT
Extended Forecast for

2 Miles S New Burnside IL

  • Tonight

    Tonight: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South southwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the morning.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light north northeast wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. East southeast wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Light east wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light south southeast wind increasing to 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. East southeast wind around 6 mph.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 51. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the morning.
Thursday Night
Clear, with a low around 53. Light north northeast wind.
Friday
Sunny, with a high near 82. East southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 58. Light east wind.
Saturday
Mostly sunny, with a high near 84. Light south southeast wind increasing to 5 to 9 mph in the morning.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. East southeast wind around 6 mph.
Sunday
A chance of showers. Partly sunny, with a high near 74. East wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 57. Calm wind.
Columbus Day
Mostly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 58. Light and variable wind.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 80. South southwest wind 5 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S New Burnside IL
 37.55°N 88.76°W
Last Update:
5:51 pm CDT Oct 6, 2026
Forecast Valid:
6pm CDT Oct 6, 2026-6pm CDT Oct 13, 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