Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Benton ILSimilar City Names

Flood Watch until March 5, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 5, 12:00pm

    NOW until 12:00pm Thu

    Flood Watch

  • Overnight

    Low: 61 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon.  Patchy fog before 9am. High near 71. South southeast wind 5 to 11 mph becoming west in the afternoon.  Chance of precipitation is 90%.

    High: 71 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 60. Light and variable wind becoming south 5 to 7 mph in the evening.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 62. South wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 71. South southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming west around 5 mph.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Steady temperature around 61. East southeast wind around 6 mph. Chance of precipitation is 90%.
Thursday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon. Patchy fog before 9am. High near 71. South southeast wind 5 to 11 mph becoming west in the afternoon. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 60. Light and variable wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers after noon. Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 62. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 71. South southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 63. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 46. South southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. South southwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 57. South southwest wind around 16 mph, with gusts as high as 28 mph.
Wednesday
Showers. Mostly cloudy, with a high near 64. Southwest wind 15 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Benton ILSimilar City Names
 38°N 88.93°W
3:51 am CST Mar 5, 2026
5am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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