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.

Fair

66°F

19°C

Humidity 88%
Wind Speed SW 6 mph
Barometer 29.88 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Nov 6:45 pm CST
Extended Forecast for

Valier IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 61. Calm wind becoming north around 5 mph.

    High: 61 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 3pm. High near 62. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 55. Light and variable wind. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. High near 63. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 50. North northeast wind around 7 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 61. North wind 5 to 8 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Light north northwest wind.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Calm wind.
Wednesday
Cloudy, with a high near 61. Calm wind becoming north around 5 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.
Thursday
Showers, with thunderstorms also possible after 3pm. High near 62. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 55. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers. High near 63. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 50. North northeast wind around 7 mph. Chance of precipitation is 80%.
Saturday
Partly sunny, with a high near 61. North wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 43. Light north northwest wind.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44. Light south southwest wind.
Monday
A chance of showers. Partly sunny, with a high near 62. South wind 3 to 8 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Light and variable wind becoming east 5 to 7 mph after midnight.
Tuesday
A chance of showers. Mostly cloudy, with a high near 60. East southeast wind 7 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
7:52 pm CST Nov 18, 2025
Forecast Valid:
9pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
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