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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

64°F

18°C

Humidity 88%
Wind Speed S 8 mph
Barometer 30.05 in
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 25 Dec 11:45 am CST
Extended Forecast for

Marion IL

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 72. South wind around 7 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 61. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 73. South southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61. South southwest wind around 9 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 70. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. West southwest wind around 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

    Low: 24 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 29. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Mostly cloudy, with a high near 72. South wind around 7 mph.
Tonight
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 61. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 73. South southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 49. Light and variable wind.
Saturday
Partly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 61. South southwest wind around 9 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 70. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers likely before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. West southwest wind around 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
Monday
Mostly sunny, with a high near 29. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 5 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 24. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 43. Southwest wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion IL
 37.73°N 88.92°W
Last Update:
11:02 am CST Dec 25, 2025
Forecast Valid:
12pm CST Dec 25, 2025-6pm CST Dec 31, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation