Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

52°F

11°C

Humidity 30%
Wind Speed E 7 mph
Barometer 30.60 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 28 Mar 12:45 pm CDT
Extended Forecast for

3 Miles W Marion IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. Calm wind becoming east around 5 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70. South southwest wind 6 to 16 mph, with gusts as high as 26 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 51. South southwest wind 11 to 16 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers.  Cloudy, with a high near 61. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 61 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 57. Calm wind becoming east around 5 mph.
Tonight
Mostly clear, with a low around 39. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 70. South southwest wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind 9 to 11 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 65. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 84. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. South southwest wind 11 to 16 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers. Cloudy, with a high near 61. North wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Northeast wind around 11 mph, with gusts as high as 20 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 65. East wind 11 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49. East northeast wind 6 to 9 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 72. East wind 7 to 9 mph becoming south southeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marion IL
 37.74°N 89°W
1:26 pm CDT Mar 28, 2026
1pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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