National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

82°F

28°C

Humidity 66%
Wind Speed NE 9 mph
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Jun 3:45 pm CDT
Extended Forecast for

New Burnside IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Light north wind.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 69. Light and variable wind.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then showers and thunderstorms likely after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 80 °F

    Heavy Rain

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 87. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. West northwest wind 5 to 7 mph.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Light north wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 69. Light and variable wind.
Monday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then showers and thunderstorms likely after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 87. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 73. South wind around 7 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Juneteenth
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. West northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.57°N 88.76°W
Last Update:
3:17 pm CDT Jun 15, 2025
Forecast Valid:
3pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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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