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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles WSW Whiteash IL

  • Overnight

    Overnight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Showers likely, then showers and possibly a thunderstorm after 9pm. Low around 49. Southeast wind 7 to 9 mph. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72. South southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 53. South southwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 69. West wind 3 to 6 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Cloudy, with a high near 69. South wind 6 to 10 mph.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Mostly cloudy, with a low around 57. South wind 8 to 10 mph.

    Low: 57 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Calm wind.
Monday
Sunny, with a high near 62. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Showers likely, then showers and possibly a thunderstorm after 9pm. Low around 49. Southeast wind 7 to 9 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72. South southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 53. South southwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 69. West wind 3 to 6 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. Cloudy, with a high near 69. South wind 6 to 10 mph.
Thursday Night
Showers. Mostly cloudy, with a low around 57. South wind 8 to 10 mph.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 70. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 47. South southwest wind 5 to 9 mph becoming west after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 59. West wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 41. Light west northwest wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 60. West wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Whiteash IL
 37.78°N 88.97°W
Last Update:
10:31 pm CST Nov 16, 2025
Forecast Valid:
1am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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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