National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

52°F

11°C

Humidity 88%
Wind Speed NW 9 mph
Barometer 30.36 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 16 Oct 9:35 pm CDT
Extended Forecast for

Valier IL

  • Tonight

    Tonight: Partly cloudy, with a low around 41. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62. North northeast wind around 10 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Light east wind.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the morning.

    High: 67 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Light east wind.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 62. North northeast wind around 10 mph.
Saturday Night
Clear, with a low around 36. Light east wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the morning.
Sunday Night
Clear, with a low around 39. Light east wind.
Monday
Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind becoming east northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 80. Light and variable wind.
Thursday Night
Mostly clear, with a low around 49. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming east around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.03°N 89.04°W
Last Update:
9:26 pm CDT Oct 16, 2026
Forecast Valid:
9pm CDT Oct 16, 2026-6pm CDT Oct 23, 2026
 
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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