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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast and Breezy

63°F

17°C

Humidity 94%
Wind Speed S 25 G 36 mph
Barometer 29.38 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Mar 6:45 pm CDT
Extended Forecast for

New Burnside IL

Tornado Watch March 15, 07:15pm until March 15, 11:00pm
Wind Advisory March 15, 07:15pm until March 16, 07:00am
Click here for hazard details and duration
...
Wind Advisory
  •  
    Tornado Watch March 15, 07:15pm until March 15, 11:00pm
    Wind Advisory March 15, 07:15pm until March 16, 07:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 26 °F

    Breezy. Heavy
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow showers between 9am and 11am. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow Showers
    and Breezy
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. West northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 38. Northwest wind 5 to 8 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South southwest wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. South southwest wind around 7 mph becoming west northwest in the afternoon.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 26. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Monday
A slight chance of snow showers between 9am and 11am. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 18 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 18. West northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 38. Northwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 42. South southwest wind around 7 mph.
Thursday
Sunny, with a high near 70. South southwest wind around 7 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 45. Light and variable wind.
Friday
Mostly sunny, with a high near 73. Southwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 52. South southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 76. West wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 49. Northwest wind around 8 mph becoming northeast after midnight.
Sunday
Sunny, with a high near 74. East southeast wind 7 to 9 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.59°N 88.79°W
Last Update:
6:36 pm CDT Mar 15, 2026
Forecast Valid:
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation