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.

Partly Cloudy

82°F

28°C

Humidity 42%
Wind Speed NW 6 mph
Barometer 30.04 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 24 Aug 3:45 pm CDT
Extended Forecast for

Valier ILSimilar City Names

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Light east wind.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88. East wind 3 to 5 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north northwest 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Calm wind.
Tonight
Partly cloudy, with a low around 61. Light east wind.
Tuesday
Sunny, with a high near 88. East wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 67. Light and variable wind.
Wednesday
Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming north northwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. Light east southeast wind.
Sunday
Sunny, with a high near 96. Calm wind becoming south southwest 5 to 9 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valier ILSimilar City Names
 38.03°N 89.04°W
Last Update:
4:06 pm CDT Aug 24, 2026
Forecast Valid:
4pm CDT Aug 24, 2026-6pm CDT Aug 30, 2026
 
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Additional Resources

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Chance of Precipitation