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

77°F

25°C

Humidity 51%
Wind Speed NW 7 mph
Barometer 30.03 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Oct 12:45 pm CDT
Extended Forecast for

New Burnside IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. West northwest wind 5 to 7 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. South southwest wind around 7 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Southwest wind 7 to 10 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southwest wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 81. West northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight.
Columbus Day
Sunny, with a high near 88. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 65. South southwest wind around 7 mph.
Tuesday
Sunny, with a high near 90. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. South southwest wind around 6 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind 5 to 10 mph becoming west northwest after midnight.
Friday
Partly sunny, with a high near 68. North northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 41. North northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 59. North wind 10 to 13 mph, with gusts as high as 18 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:
1:01 pm CDT Oct 11, 2026
Forecast Valid:
1pm CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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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