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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

79°F

26°C

Humidity 84%
Wind Speed N 9 mph
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 14 Oct 4:45 pm CDT
Extended Forecast for

Valier IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 76. Calm wind.

    High: 76 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Increasing clouds, with a low around 52. Southwest wind 7 to 12 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 58. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 29 mph.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Northwest wind 11 to 18 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63. North northeast wind 7 to 10 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 76. Calm wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 66. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Increasing clouds, with a low around 52. Southwest wind 7 to 12 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 58. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 42. Northwest wind 11 to 18 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 63. North northeast wind 7 to 10 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 68. Calm wind becoming south southeast 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 43. Calm wind.
Monday
Mostly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. Calm wind.
Wednesday
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.03°N 89.04°W
Last Update:
5:06 pm CDT Oct 14, 2026
Forecast Valid:
5pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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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