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.

Light Rain Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed S 14 mph
Barometer 30.06 in
Dewpoint 48°F (9°C)
Visibility 3.00 mi
Wind Chill42°F (6°C)
Last update 20 Nov 10:45 am CST
Extended Forecast for

Benton IL

  • Today

    Today: Showers, mainly before 1pm. High near 58. East southeast wind 3 to 7 mph. Chance of precipitation is 80%.

    High: 58 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely between 2am and 3am, then showers and possibly a thunderstorm after 3am. Patchy fog after 7pm. Low around 53. Calm wind. Chance of precipitation is 90%.

    Low: 53 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 68. Light and variable wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 100%.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. North wind around 6 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 60. North northeast wind 3 to 7 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 61. Southeast wind 3 to 8 mph.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
Showers, mainly before 1pm. High near 58. East southeast wind 3 to 7 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms before 2am, then showers likely between 2am and 3am, then showers and possibly a thunderstorm after 3am. Patchy fog after 7pm. Low around 53. Calm wind. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 68. Light and variable wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. North wind around 6 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 60. North northeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 38. Calm wind.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 44. Light and variable wind.
Monday
A chance of showers. Mostly cloudy, with a high near 61. Southeast wind 3 to 8 mph.
Monday Night
Showers. Mostly cloudy, with a low around 50. South southeast wind 6 to 8 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 63. South wind 7 to 11 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. West wind around 6 mph.
Wednesday
Partly sunny, with a high near 55. Northwest wind 6 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:
9:56 am CST Nov 20, 2025
Forecast Valid:
10am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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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