Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

60°F

16°C

Humidity 87%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 10:55 pm CDT
Extended Forecast for

Royalton IL

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 53. Southwest wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely.  High near 68. West southwest wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am.  Mostly clear, with a low around 39. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 68. West northwest wind 5 to 14 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South wind around 7 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Light south wind.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. Southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. West southwest wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 39. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 68. West northwest wind 5 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 42. North northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 73. Light and variable wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 52. South wind around 7 mph.
Tuesday
Sunny, with a high near 78. South southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 55. South southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 79. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 7 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. South wind 6 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Royalton IL
 37.87°N 89.11°W
10:16 pm CDT Apr 16, 2026
11pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
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