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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair with Haze

70°F

21°C

Humidity 64%
Wind Speed SE 6 mph
Barometer 29.91 in
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 1 Apr 10:55 pm CDT
Extended Forecast for

Whiteash IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 16 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

    High: 80 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 65. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Partly sunny, with a high near 82. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 71. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 42. Northwest wind 7 to 9 mph.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 16 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 65. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Partly sunny, with a high near 82. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 71. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 42. Northwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 60. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 38. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 42. North wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 61. North northeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 67. South southeast wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
10:51 pm CDT Apr 1, 2026
Forecast Valid:
11pm CDT Apr 1, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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