Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

64°F

18°C

Humidity 54%
Wind Speed SW 5 mph
Barometer 29.98 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 13 May 2:35 am CDT
Extended Forecast for

5 Miles WNW Buncombe IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Light west southwest wind.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 76. Light north northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 76 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Light south southeast wind.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 82. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66. South wind 5 to 7 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. South wind 3 to 7 mph.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Light west southwest wind.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 76. Light north northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Clear, with a low around 48. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Calm wind.
Thursday Night
Mostly clear, with a low around 54. Light south southeast wind.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind 5 to 7 mph, with gusts as high as 18 mph.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 65. South wind 3 to 7 mph.
Sunday
Sunny, with a high near 89. South wind 5 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 69. South wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 7 to 15 mph, with gusts as high as 26 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. South southwest wind 7 to 14 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Buncombe IL
 37.49°N 89.05°W
1:26 am CDT May 13, 2026
2am CDT May 13, 2026-6pm CDT May 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database