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.

Fair

67°F

19°C

Humidity 64%
Wind Speed S 14 mph
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 2:15 am CDT
Extended Forecast for

Whiteash IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 68. South southwest wind around 13 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 36 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly between 1am and 5am. Partly cloudy, with a low around 65. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 81. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 67. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    High: 81 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 64. South wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. South wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 68. South southwest wind around 13 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 84. Breezy, with a south southwest wind 15 to 23 mph, with gusts as high as 36 mph.
Tuesday Night
A 30 percent chance of showers, mainly between 1am and 5am. Partly cloudy, with a low around 65. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
A 50 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 81. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 67. South wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 64. South wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. South wind 9 to 13 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 11 mph, with gusts as high as 20 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. South wind 13 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday
A chance of showers. Partly sunny, with a high near 59. Northwest wind around 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 36. North wind 6 to 10 mph.
Monday
Sunny, with a high near 62. North wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
1:26 am CDT Mar 31, 2026
Forecast Valid:
2am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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