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

84°F

29°C

Humidity 48%
Wind Speed S 12 mph
Barometer 30.21 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Oct 2:45 pm CDT
Extended Forecast for

New Burnside IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. Light south southeast wind.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 5 to 8 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Light southeast wind.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers. Mostly sunny, with a high near 81. South southeast wind 3 to 6 mph.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South wind around 5 mph.
Tonight
Clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 58. Light south southeast wind.
Sunday
Sunny, with a high near 85. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. Light southeast wind.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 81. South southeast wind 3 to 6 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Calm wind.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 59. North northeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 75. Northeast wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 54. East northeast wind around 7 mph.
Thursday
Sunny, with a high near 74. East northeast wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.57°N 88.76°W
Last Update:
2:31 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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