National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

73°F

23°C

Humidity 69%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 1 Apr 11:45 am CDT
Extended Forecast for

Whiteash IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 66. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.

    High: 80 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 65. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 65 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • 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 chance of showers before 1am. Partly cloudy, with a low around 42. Northwest wind 7 to 10 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

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 66. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 65. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Friday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South 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 chance of showers before 1am. Partly cloudy, with a low around 42. Northwest wind 7 to 10 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.
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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:
12:18 pm CDT Apr 1, 2026
Forecast Valid:
12pm CDT Apr 1, 2026-6pm CDT Apr 7, 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