Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
35°F
2°C
| Humidity | 66% |
| Wind Speed | W 8 G 18 mph |
| Barometer | 29.72 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 16 Mar 2:35 am CDT |
Extended Forecast for
Royalton IL
Wind Advisory March 16, 02:50am until March 16, 07:00am
NOW until 7:00am Mon
Wind Advisory
Overnight
Low: 26 °F
Mostly Cloudy
and BlusteryMonday
High: 35 °F
Mostly Cloudy
and BreezyMonday Night
Low: 16 °F
Decreasing
CloudsTuesday
High: 38 °F
Sunny
Tuesday Night
Low: 31 °F
Chance Snow
ShowersWednesday
High: 62 °F
Mostly Sunny
Wednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 72 °F
Sunny
Detailed Forecast
Overnight
Mostly cloudy, with a low around 26. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph.
Monday
Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 22 to 24 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 38. Northwest wind 6 to 9 mph.
Tuesday Night
A 30 percent chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 31. Light south southeast wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 62. South wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 43. South southwest wind around 7 mph.
Thursday
Sunny, with a high near 72. South southwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 45. West southwest wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 53. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 78. Southwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 50. West wind around 8 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 73. South wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Royalton IL
37.87°N 89.11°W
37.87°N 89.11°W
1:26 am CDT Mar 16, 2026
2am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
