Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

63°F

17°C

Humidity 88%
Wind Speed S 6 mph
Barometer 30.00 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Mar 4:45 pm CST
Extended Forecast for

Benton ILSimilar City Names

Flood Watch until March 5, 12:00pm
Severe T-storm Watch until March 4, 09:00pm
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch until March 5, 12:00pm
    Severe T-storm Watch until March 4, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 67 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Some of the storms could be severe.  Low around 60. West southwest wind 5 to 8 mph becoming south southeast in the evening.  Chance of precipitation is 90%.

    Low: 60 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm.  High near 71. Southwest wind 6 to 11 mph.  Chance of precipitation is 90%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 60. Light and variable wind becoming south around 6 mph after midnight.  Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm.  Partly sunny, with a high near 78. South wind 7 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers, then 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

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 69. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 80%.

    High: 69 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before midnight.  Mostly cloudy, with a low around 44. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 67. West wind around 5 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Some of the storms could be severe. Low around 60. West southwest wind 5 to 8 mph becoming south southeast in the evening. Chance of precipitation is 90%.
Thursday
Showers and thunderstorms, mainly before 3pm. High near 71. Southwest wind 6 to 11 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 60%.
Friday
A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 78. South wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers, then 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 69. South southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 44. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming south southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 49. South southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 75. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 53. South southwest wind around 16 mph, with gusts as high as 26 mph.
Wednesday
Showers likely. Mostly cloudy, with a high near 63. Southwest wind 14 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Benton ILSimilar City Names
 38°N 88.93°W
4:26 pm CST Mar 4, 2026
5pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
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