Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Drizzle

44°F

7°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.77 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Jan 3:15 am CST
Extended Forecast for

4 Miles ESE Marion IL

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 4am.  Cloudy, with a steady temperature around 47. West southwest wind around 6 mph.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 7am.  Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 32 by 5pm. Breezy, with a north northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 44 °F

    Slight Chance
    Showers then
    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. Northwest wind 7 to 16 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 33. Northwest wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. West wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31. West wind 7 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 11. North northwest wind around 6 mph.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 4am. Cloudy, with a steady temperature around 47. West southwest wind around 6 mph.
Wednesday
A 20 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 32 by 5pm. Breezy, with a north northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 18. Northwest wind 7 to 16 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 33. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 31. West wind 7 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 11. North northwest wind around 6 mph.
Sunday
Sunny, with a high near 27. Northwest wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 16. Southwest wind 7 to 9 mph.
M.L.King Day
Mostly sunny, with a high near 34. West wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 13. West northwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 35. Light west wind increasing to 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Marion IL
 37.71°N 88.86°W
3:16 am CST Jan 14, 2026
3am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

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