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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

77°F

25°C

Humidity 69%
Wind Speed S 18 G 25 mph
Barometer 29.93 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Mar 12:45 pm CDT
Extended Forecast for

Benton IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. South southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms. Temperature rising to near 70 by noon, then falling to around 55 during the remainder of the day. Breezy, with a southwest wind 16 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    High: 70 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Breezy, with a north northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. North northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. North northwest wind around 6 mph becoming east after midnight.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 68. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. South southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms. Temperature rising to near 70 by noon, then falling to around 55 during the remainder of the day. Breezy, with a southwest wind 16 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, with a low around 34. Breezy, with a north northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 55. North northwest wind 5 to 7 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph.
Friday
Partly sunny, with a high near 64. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 40. North northwest wind around 6 mph becoming east after midnight.
Saturday
Sunny, with a high near 68. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 54. South wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 69. Breezy, with a south wind 15 to 21 mph becoming west in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 38. Northwest wind around 14 mph, with gusts as high as 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
12:17 pm CDT Mar 10, 2026
Forecast Valid:
1pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation