Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
A Few Clouds
36°F
2°C
| Humidity | 75% |
| Wind Speed | S 14 G 23 mph |
| Barometer | 30.04 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | NA |
| Wind Chill | 27°F (-3°C) |
| Last update | 9 Dec 8:45 am CST |
Extended Forecast for
Royalton IL
Today

High: 49 °F
Mostly Sunny
Tonight

Low: 43 °F⇑
Mostly Cloudy
Wednesday

High: 50 °F⇓
Sunny and
BreezyWednesday Night

Low: 28 °F
Mostly Cloudy
Thursday

High: 42 °F
Mostly Cloudy
Thursday Night

Low: 32 °F
Mostly Cloudy
Friday

High: 47 °F
Partly Sunny
Friday Night

Low: 21 °F
Mostly Cloudy
Saturday

High: 33 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 49. South southwest wind 15 to 18 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a temperature rising to around 47 by 2am. South southwest wind 16 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy through mid morning, then becoming sunny, with a temperature rising to near 50 by 9am, then falling to around 38 during the remainder of the day. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind 5 to 7 mph.
Friday
Partly sunny, with a high near 47. Southeast wind 7 to 11 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 21. North northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 33. North northeast wind around 8 mph.
Saturday Night
Mostly cloudy, with a low around 13. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 26. North wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 15. North northeast wind around 6 mph becoming light and variable.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 37. Southeast wind 6 to 9 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Royalton IL
37.87°N 89.11°W
37.87°N 89.11°W
7:06 am CST Dec 9, 2025
10am CST Dec 9, 2025-6pm CST Dec 15, 2025


