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.

Mostly Cloudy

48°F

9°C

Humidity 50%
Wind Speed SW 16 G 25 mph
Barometer 29.94 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 13 Jan 10:45 am CST
Extended Forecast for

New Burnside IL

  • Today

    Today: Mostly sunny, with a high near 58. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly before 2am. Mostly cloudy, with a low around 41. Southwest wind 5 to 9 mph becoming west northwest after midnight. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 34 by 5pm. North northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 45 °F⇓

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. North northwest wind 6 to 14 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 31. Northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 24 mph.

    Low: 23 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. West wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33. West wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 58. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tonight
Showers likely, mainly before 2am. Mostly cloudy, with a low around 41. Southwest wind 5 to 9 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a temperature falling to around 34 by 5pm. North northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 19. North northwest wind 6 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 31. Northwest wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 24 mph.
Friday
Partly sunny, with a high near 45. West wind 9 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 33. West wind 7 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 12. Northwest wind around 6 mph.
Sunday
Sunny, with a high near 27. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 12. Southwest wind around 7 mph.
M.L.King Day
Sunny, with a high near 34. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.59°N 88.79°W
Last Update:
11:11 am CST Jan 13, 2026
Forecast Valid:
11am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation