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Hazardous Weather Conditions
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
NOW until 9:00am Wed

Dense Fog Advisory
Overnight

Low: 52 °F
Patchy
Drizzle and
Dense FogWednesday

High: 67 °F
Patchy
Drizzle and
Dense FogWednesday Night

Low: 59 °F
Mostly Cloudy
Christmas Day

High: 69 °F
Mostly Cloudy
Thursday Night

Low: 60 °F
Mostly Cloudy
Friday

High: 72 °F
Partly Sunny
Friday Night

Low: 51 °F
Partly Cloudy
Saturday

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.
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ABOUT THIS FORECAST
Point Forecast:
Whiteash IL
37.78°N 88.92°W
37.78°N 88.92°W
3:16 am CST Dec 24, 2025
3am CST Dec 24, 2025-6pm CST Dec 30, 2025



