Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
44°F
7°C
| Humidity | 97% |
| Wind Speed | W 3 mph |
| Barometer | 29.76 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 14 Jan 6:35 am CST |
Extended Forecast for
Royalton IL
Today
High: 44 °F⇓
Mostly Cloudy
then Partly
Sunny and
BreezyTonight
Low: 18 °F
Mostly Clear
Thursday
High: 33 °F
Sunny
Thursday Night
Low: 25 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersFriday
High: 46 °F
Partly Sunny
Friday Night
Low: 22 °F
Mostly Cloudy
Saturday
High: 31 °F
Partly Sunny
Saturday Night
Low: 11 °F
Partly Cloudy
Sunday
High: 27 °F
Mostly Sunny
Detailed Forecast
Today
Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a north northwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 33. Northwest wind 5 to 8 mph becoming south southwest in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 25. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 22. West wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 31. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 11. North northwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 27. Northwest wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 16. West southwest wind 8 to 10 mph.
M.L.King Day
Mostly sunny, with a high near 34. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 13. West northwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 35. West wind 5 to 9 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Royalton IL
37.87°N 89.11°W
37.87°N 89.11°W
6:11 am CST Jan 14, 2026
6am CST Jan 14, 2026-6pm CST Jan 20, 2026
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