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.

Fair

73°F

23°C

Humidity 50%
Wind Speed E 6 mph
Barometer 30.12 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 3 Oct 5:47 pm CDT
Extended Forecast for

Valier IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. North wind 3 to 6 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 76. Northeast wind 6 to 10 mph.

    High: 76 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. Northeast wind 3 to 5 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 53. North wind 3 to 6 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 76. Northeast wind 6 to 10 mph.
Monday Night
Clear, with a low around 48. Northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.
Tuesday Night
Clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 53. Light and variable wind.
Thursday
Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. Light southeast wind.
Saturday
Sunny, with a high near 86. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.03°N 89.04°W
Last Update:
4:16 pm CDT Oct 3, 2026
Forecast Valid:
6pm CDT Oct 3, 2026-6pm CDT Oct 10, 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