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.

A Few Clouds

77°F

25°C

Humidity 54%
Wind Speed W 8 mph
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 21 Aug 12:50 pm CDT
Extended Forecast for

3 Miles NW West City IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light and variable wind becoming north northwest 6 to 11 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. North northwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Southeast wind 3 to 7 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Calm wind.
Tonight
Mostly clear, with a low around 68. Calm wind.
Saturday
Sunny, with a high near 88. Light and variable wind becoming north northwest 6 to 11 mph in the morning.
Saturday Night
Mostly clear, with a low around 64. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 87. Southeast wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 68. East wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Light north wind.
Thursday
Sunny, with a high near 90. Calm wind becoming northwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW West City IL
 38.03°N 88.99°W
Last Update:
1:26 pm CDT Aug 21, 2026
Forecast Valid:
2pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation