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.

Partly Cloudy

81°F

27°C

Humidity 42%
Wind Speed S 14 G 21 mph
Barometer 29.90 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 May 3:45 pm CDT
Extended Forecast for

New Burnside IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. South wind around 11 mph, with gusts as high as 22 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 68. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 66. South wind around 8 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. South wind around 11 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 68. South wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 66. South wind around 8 mph.
Sunday
Sunny, with a high near 88. South wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 69. South wind around 11 mph, with gusts as high as 22 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 11 to 16 mph, with gusts as high as 26 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South southwest wind 5 to 9 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. North wind around 8 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 57. North wind 5 to 7 mph.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76. Northeast wind around 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.59°N 88.79°W
Last Update:
1:26 pm CDT May 15, 2026
Forecast Valid:
4pm CDT May 15, 2026-6pm CDT May 21, 2026
 
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Additional Resources

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Chance of Precipitation