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.

Light Rain

72°F

22°C

Humidity 94%
Wind Speed S 8 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 31 Jul 1:45 pm CDT
Extended Forecast for

Valier IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms before 3pm. Mostly cloudy, with a high near 84. South southeast wind 8 to 10 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am. Low around 70. South southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

    Low: 70 °F

    T-storms

  • Saturday

    Saturday: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm. Increasing clouds, with a high near 81. West wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 9 to 11 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 81. North northwest wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. North wind 5 to 11 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. North wind 5 to 9 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms before 3pm. Mostly cloudy, with a high near 84. South southeast wind 8 to 10 mph.
Tonight
Showers and thunderstorms, mainly before 2am. Low around 70. South southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Saturday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm. Increasing clouds, with a high near 81. West wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 9 to 11 mph. Chance of precipitation is 50%.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 81. North northwest wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 65. North wind 5 to 11 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. North wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. Light north wind.
Wednesday
Sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
2:26 pm CDT Jul 31, 2026
Forecast Valid:
2pm CDT Jul 31, 2026-6pm CDT Aug 6, 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