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.

Partly Cloudy

27°C

81°F

Humidity 79%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 13 Jul 9:45 am CDT
Extended Forecast for

West City IL

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Temperature rising to near 31 by noon, then falling to around 23 during the remainder of the day. South southwest wind 5 to 13 km/h. Chance of precipitation is 80%.

    High: 31 °C⇓

    Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Patchy fog after 11pm. Low around 22. Calm wind. Chance of precipitation is 80%.

    Low: 22 °C

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 31. Calm wind becoming west 5 to 8 km/h in the afternoon.

    High: 31 °C

    Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °C

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 33. Light south southeast wind becoming south southwest 6 to 11 km/h in the morning.

    High: 33 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23. South wind 3 to 8 km/h.

    Low: 23 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34. Southwest wind 8 to 14 km/h.

    High: 34 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23. Southwest wind 8 to 10 km/h.

    Low: 23 °C

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 33. West southwest wind 8 to 13 km/h.

    High: 33 °C

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Temperature rising to near 31 by noon, then falling to around 23 during the remainder of the day. South southwest wind 5 to 13 km/h. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Patchy fog after 11pm. Low around 22. Calm wind. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 31. Calm wind becoming west 5 to 8 km/h in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Calm wind.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 33. Light south southeast wind becoming south southwest 6 to 11 km/h in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23. South wind 3 to 8 km/h.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 34. Southwest wind 8 to 14 km/h.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 23. Southwest wind 8 to 10 km/h.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 33. West southwest wind 8 to 13 km/h.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 22. West wind 5 to 10 km/h becoming north after midnight.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Northeast wind 8 to 11 km/h becoming southwest in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 22. Northeast wind 5 to 8 km/h becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. Calm wind becoming southwest 5 to 10 km/h in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West City IL
 38°N 88.93°W
Last Update:
9:46 am CDT Jul 13, 2025
Forecast Valid:
10am CDT Jul 13, 2025-6pm CDT Jul 19, 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