Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fog/Mist
48°F
9°C
| Humidity | 100% |
| Wind Speed | SE 7 mph |
| Barometer | 29.96 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 0.75 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 27 Dec 7:45 am CST |
Extended Forecast for
2 Miles ENE Herrin IL
Dense Fog Advisory until December 27, 09:00am
NOW until 9:00am Sat
Dense Fog Advisory
Today
High: 67 °F
Patchy Dense
Fog then
Mostly CloudyTonight
Low: 65 °F
Cloudy
Sunday
High: 72 °F
Mostly Cloudy
then Showers
and BreezySunday Night
Low: 23 °F
Showers and
Breezy then
Slight Chance
Showers and
BlusteryMonday
High: 30 °F
Mostly Sunny
and BlusteryMonday Night
Low: 19 °F
Partly Cloudy
Tuesday
High: 34 °F
Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Detailed Forecast
Today
Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 67. East wind 5 to 8 mph becoming south southeast in the afternoon.
Tonight
Cloudy, with a steady temperature around 65. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday
Showers, mainly after 4pm. High near 72. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 9pm. Low around 23. Breezy, with a southwest wind around 23 mph becoming west northwest in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 90%.
Monday
Mostly sunny, with a high near 30. Blustery, with a west northwest wind 17 to 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 19. Northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 6 to 9 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 25. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 44. West wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 26. West southwest wind around 7 mph becoming northwest after midnight.
New Year's Day
Mostly sunny, with a high near 38. North northwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 18. North northwest wind 3 to 5 mph.
Friday
Partly sunny, with a high near 35. Northwest wind 3 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Herrin IL
37.8°N 89°W
37.8°N 89°W
7:56 am CST Dec 27, 2025
8am CST Dec 27, 2025-6pm CST Jan 2, 2026
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