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.

Light Rain Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.29 in
Dewpoint 57°F (14°C)
Visibility 1.00 mi
Last update 1 Nov 7:47 am CST
Extended Forecast for

West City IL

  • Today

    Today: A 50 percent chance of showers, mainly between 2pm and 5pm. Cloudy, with a high near 66. Southeast wind 7 to 11 mph.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Cloudy, with a low around 53. Southeast wind 5 to 8 mph.

    Low: 53 °F

    Cloudy then
    Slight Chance
    Showers

  • Monday

    Monday: Cloudy, with a high near 72. South wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60. South wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 77. Breezy, with a south wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 77 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. South wind 6 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Partly sunny, with a high near 71. South southwest wind 6 to 11 mph.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 48. West southwest wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Calm wind becoming west 5 to 8 mph in the morning.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers, mainly between 2pm and 5pm. Cloudy, with a high near 66. Southeast wind 7 to 11 mph.
Tonight
A 20 percent chance of showers after 5am. Cloudy, with a low around 53. Southeast wind 5 to 8 mph.
Monday
Cloudy, with a high near 72. South wind 7 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 60. South wind 11 to 15 mph, with gusts as high as 22 mph.
Tuesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 77. Breezy, with a south wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. South wind 6 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 71. South southwest wind 6 to 11 mph.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 48. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 70. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 48. Calm wind.
Friday
Partly sunny, with a high near 68. Calm wind becoming northwest 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 44. Light northwest wind.
Saturday
Partly sunny, with a high near 67. Calm wind becoming northwest around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West City IL
 38°N 88.96°W
Last Update:
7:06 am CST Nov 1, 2026
Forecast Valid:
8am CST Nov 1, 2026-6pm CST Nov 7, 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