Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 54°F (12°C)
Visibility 4.00 mi
Last update 24 Dec 3:15 am CST
Extended Forecast for

Whiteash IL

Dense Fog Advisory December 24, 03:24am until December 24, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 24, 03:24am until December 24, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 52 °F

    Patchy
    Drizzle and
    Dense Fog

  • Wednesday

    Wednesday: Patchy drizzle before 1pm.  Widespread dense fog before 9am.  Otherwise, cloudy, with a high near 67. East wind 5 to 8 mph becoming south in the afternoon.

    High: 67 °F

    Patchy
    Drizzle and
    Dense Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. Southwest wind around 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 69. Southwest wind around 7 mph.

    High: 69 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy drizzle. Widespread dense fog. Otherwise, cloudy, with a low around 52. Light east wind.
Wednesday
Patchy drizzle before 1pm. Widespread dense fog before 9am. Otherwise, cloudy, with a high near 67. East wind 5 to 8 mph becoming south in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 59. Southwest wind around 8 mph.
Christmas Day
Mostly cloudy, with a high near 69. Southwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 60. South wind 5 to 10 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 72. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 50. South wind around 11 mph becoming west after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 60. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 20. Northwest wind 13 to 16 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 29. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 16. Northwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 33. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
3:16 am CST Dec 24, 2025
3am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database