Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

21°F

-6°C

Humidity 57%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 15 Jan 4:15 am CST
Extended Forecast for

Marion IL

  • Today

    Today: Sunny, with a high near 34. Northwest wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: A chance of snow showers between 11pm and 1am.  Mostly cloudy, with a temperature falling to near 27 by 11pm, then rising to around 33 during the remainder of the night. Light south wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 46. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain showers before 9pm, then a slight chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight.  Mostly cloudy, with a low around 25. West wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 31. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12. Northwest wind around 7 mph.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 27. West northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. South southwest wind 6 to 9 mph becoming west northwest after midnight.

    Low: 16 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 29. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 34. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Tonight
A chance of snow showers between 11pm and 1am. Mostly cloudy, with a temperature falling to near 27 by 11pm, then rising to around 33 during the remainder of the night. Light south wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 46. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of rain showers before 9pm, then a slight chance of rain and snow showers between 9pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 25. West wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 31. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 12. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 27. West northwest wind 6 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 16. South southwest wind 6 to 9 mph becoming west northwest after midnight.
M.L.King Day
Mostly sunny, with a high near 29. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 11. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 31. Light west wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 20. South wind around 8 mph.
Wednesday
Mostly sunny, with a high near 44. South southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion IL
 37.73°N 88.92°W
3:16 am CST Jan 15, 2026
4am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

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