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.

Fog

57°F

14°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.22 in
Dewpoint 57°F (14°C)
Visibility 0.15 mi
Last update 25 Sep 5:55 am CDT
Extended Forecast for

New Burnside IL

  • Today

    Today: Mostly sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light east northeast wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57. Calm wind.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light east wind.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming south around 6 mph in the morning.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the morning.
Tonight
Partly cloudy, with a low around 57. Light east northeast wind.
Saturday
Partly sunny, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 57. Calm wind.
Sunday
Partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. Calm wind.
Monday
Sunny, with a high near 81. Light east wind.
Monday Night
Mostly clear, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65. Light south southeast wind becoming south 5 to 9 mph in the evening.
Wednesday
A chance of showers. Mostly cloudy, with a high near 82. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. South southeast wind around 6 mph.
Thursday
A chance of showers. Partly sunny, with a high near 83. South wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.57°N 88.76°W
Last Update:
4:51 am CDT Sep 25, 2026
Forecast Valid:
6am CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation