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 82%
Wind Speed S 6 mph
Barometer 29.76 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 9:15 pm CDT
Extended Forecast for

West City IL

Flood Watch until June 22, 07:00am
Tornado Watch June 21, 09:20pm until June 21, 10:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch until June 22, 07:00am
    Tornado Watch June 21, 09:20pm until June 21, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 69 °F

    Heavy Rain
    then Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 79. North northwest wind 8 to 11 mph.

    High: 79 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind 5 to 9 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light east northeast wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Low around 69. Light and variable wind becoming west southwest 5 to 9 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 100%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 79. North northwest wind 8 to 11 mph.
Monday Night
Partly cloudy, with a low around 62. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light and variable wind.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Light and variable wind.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Light south southwest wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 6 to 8 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Breezy, with a south southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 28 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:
9:11 pm CDT Jun 21, 2026
Forecast Valid:
9pm CDT Jun 21, 2026-6pm CDT Jun 28, 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