National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

73°F

23°C

Humidity 57%
Wind Speed SW 14 mph
Barometer 30.04 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Apr 2:15 am CDT
Extended Forecast for

Benton IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 70. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. South southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 70. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • 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 64. South southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 82 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. South southwest wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 70. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 82. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 69. South southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 87. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 70. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 62. South southwest wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 87. South wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 21 mph.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. South southwest wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Northwest wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 65. Northwest wind 7 to 10 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:
1:26 am CDT Apr 13, 2026
Forecast Valid:
2am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation