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

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jun 10:45 am CDT
Extended Forecast for

3 Miles W Buncombe IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 73. Calm wind becoming south around 6 mph after midnight.

    Low: 73 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 88. South southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 86. West northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph.
Tonight
Increasing clouds, with a low around 73. Calm wind becoming south around 6 mph after midnight.
Wednesday
A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 88. South southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. South southwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Juneteenth
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 86. West northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 93. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 76. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 94. South southwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Buncombe IL
 37.47°N 89.02°W
Last Update:
12:16 pm CDT Jun 17, 2025
Forecast Valid:
12pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation