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.

Fair

68°F

20°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 25 Jun 1:55 am CDT
Extended Forecast for

Buncombe IL

Flood Watch June 25, 04:00pm until June 27, 07:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 69. Light southeast wind. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. Light south southwest wind becoming southwest 5 to 9 mph in the morning.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 74 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 69. Light southeast wind. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Light south southwest wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 74. South southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 95. Calm wind becoming south southwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 76. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Light and variable wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buncombe IL
 37.47°N 88.96°W
Last Update:
1:26 am CDT Jun 25, 2026
Forecast Valid:
2am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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