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.

Light Rain

72°F

22°C

Humidity 94%
Wind Speed S 12 mph
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 25 Jul 9:45 am CDT
Extended Forecast for

2 Miles WSW New Burnside IL

Heat Advisory July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 84. South southwest wind 3 to 5 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 72. Calm wind.

    Low: 72 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Southwest wind 3 to 8 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. West wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. North wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 84. South southwest wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 72. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 92. Light and variable wind.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 95. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 95. West wind 5 to 8 mph becoming north northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Calm wind becoming north northeast 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 69. Light east northeast wind.
Thursday
Sunny, with a high near 91. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW New Burnside IL
 37.57°N 88.79°W
Last Update:
8:36 am CDT Jul 25, 2026
Forecast Valid:
9am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation