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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Royalton IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a chance of rain between midnight and 1am. Mostly cloudy, with a low around 40. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of sprinkles after 7am, mixing with flurries after 5pm. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 41 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph.

    High: 41 °F⇓

    Breezy then
    Chance
    Sprinkles/Flurries
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. West northwest wind around 6 mph becoming calm.

    Low: 23 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Southwest wind 9 to 18 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West wind 7 to 11 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. West wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight, then a chance of rain between midnight and 1am. Mostly cloudy, with a low around 40. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday
A chance of sprinkles after 7am, mixing with flurries after 5pm. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 41 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 25. Northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 40. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 23. West northwest wind around 6 mph becoming calm.
Veterans Day
Partly sunny, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 40. Southwest wind 9 to 18 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 64. West wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 35. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. South wind around 6 mph.
Friday
Mostly sunny, with a high near 69. South southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 53. South southwest wind 8 to 11 mph.
Saturday
Mostly sunny, with a high near 72. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Royalton IL
 37.87°N 89.11°W
Last Update:
11:06 pm CST Nov 8, 2025
Forecast Valid:
11pm CST Nov 8, 2025-6pm CST Nov 15, 2025
 
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Additional Resources

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Chance of Precipitation