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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

90°F

32°C

Humidity 49%
Wind Speed S 12 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 13 Oct 2:45 pm CDT
Extended Forecast for

Benton ILSimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 94. South southwest wind around 13 mph, with gusts as high as 18 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 72. South southwest wind 5 to 7 mph.

    Low: 72 °F

    Clear then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 31 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. East northeast wind 3 to 7 mph.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 94. South southwest wind around 13 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 72. South southwest wind 5 to 7 mph.
Wednesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 63. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 40. North wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 63. East northeast wind 3 to 7 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 47. Light south southeast wind.
Monday
Mostly sunny, with a high near 74. South southwest wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Benton ILSimilar City Names
 38°N 88.93°W
Last Update:
1:56 pm CDT Oct 13, 2026
Forecast Valid:
3pm CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
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Additional Resources

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