Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

62°F

17°C

Humidity 81%
Wind Speed S 5 mph
Barometer 30.15 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 3:35 am CDT
Extended Forecast for

Benton IL

  • Overnight

    Overnight: Mostly clear, with a low around 61. South wind around 7 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 82 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 66. South wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Mostly sunny, with a high near 83. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. South southwest wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 86. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 65. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 61. South wind around 7 mph.
Sunday
Mostly sunny, with a high near 82. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. South wind 14 to 16 mph, with gusts as high as 26 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 83. South southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 69. South southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 8 to 11 mph.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 62. South southwest wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 65. South wind around 9 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
1:26 am CDT Apr 12, 2026
3am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
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Additional Resources

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