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.

Fair

61°F

16°C

Humidity 77%
Wind Speed Vrbl 1 mph
Barometer 29.97 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 8 Oct 12:35 am CDT
Extended Forecast for

4 Miles SSW Marion IL

  • Overnight

    Overnight: Clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming east around 6 mph in the morning.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. South southeast wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Light south southeast wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 82. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 58. East northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 75. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 59. Light and variable wind.
Thursday
Sunny, with a high near 85. Calm wind becoming east around 6 mph in the morning.
Thursday Night
Clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 87. South southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 61. Light south southeast wind.
Saturday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 82. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 58. East northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 75. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Columbus Day
Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 58. South southwest wind around 7 mph.
Tuesday
Sunny, with a high near 75. West wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 50. North northeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 73. Northeast wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Marion IL
 37.67°N 88.98°W
Last Update:
10:31 pm CDT Oct 7, 2026
Forecast Valid:
12am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

Radar & Satellite Image

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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