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.

Mostly Cloudy

73°F

23°C

Humidity 41%
Wind Speed N 10 mph
Barometer 30.16 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Aug 11:45 am CDT
Extended Forecast for

Valier IL

  • Today

    Today: Partly sunny, with a high near 80. North northwest wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light north northwest wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. North wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 83 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85. Light north northeast wind becoming northeast 5 to 9 mph in the morning.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 80. North northwest wind 5 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Light north northwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Clear, with a low around 51. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 82. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 57. Light and variable wind.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Light and variable wind.
Friday
Sunny, with a high near 85. Light north northeast wind becoming northeast 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 58. East northeast wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 82. East northeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 58. East northeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 81. East wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
11:31 am CDT Aug 25, 2025
Forecast Valid:
11am CDT Aug 25, 2025-6pm CDT Aug 31, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation