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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

70°F

21°C

Humidity 69%
Wind Speed S 17 G 23 mph
Barometer 29.98 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 10:45 am CDT
Extended Forecast for

Whiteash IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 60. South southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. West southwest wind around 15 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. Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. North northwest wind around 6 mph becoming light and variable.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 5 to 9 mph.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 60. South southwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. West southwest wind around 15 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. Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 66. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 43. North northwest wind around 6 mph becoming light and variable.
Monday
Sunny, with a high near 72. South southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 51. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 77. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 55. South southwest wind around 8 mph.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
10:26 am CDT Apr 16, 2026
Forecast Valid:
11am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation