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

46°F

8°C

Humidity 40%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 4 Jan 3:47 pm CST
Extended Forecast for

Valier IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 41. Light south southeast wind.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 32. South wind 3 to 6 mph.

    Low: 32 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 56. South southwest wind 6 to 10 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. West wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after midnight. Mostly cloudy, with a low around 47. South southeast wind 5 to 7 mph.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 62. South southwest wind 8 to 11 mph.

    High: 62 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 41. Light south southeast wind.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 32. South wind 3 to 6 mph.
Monday
Sunny, with a high near 56. South southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 47. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 64. West wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A chance of showers after midnight. Mostly cloudy, with a low around 47. South southeast wind 5 to 7 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 62. South southwest wind 8 to 11 mph.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 47. South wind 8 to 10 mph.
Friday
A chance of showers. Mostly sunny, with a high near 57. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 35. West wind around 9 mph.
Saturday
Mostly sunny, with a high near 48. West wind 8 to 13 mph, with gusts as high as 20 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:
3:16 pm CST Jan 4, 2026
Forecast Valid:
4pm CST Jan 4, 2026-6pm CST Jan 10, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation