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.

71°F

22°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 29.92 in
Dewpoint 67°F (19°C)
Visibility NA
Last update 18 Jun 10:35 pm CDT
Extended Forecast for

3 Miles WNW Whiteash IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Partly cloudy, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing, with a high near 85. West northwest wind 6 to 8 mph.

    High: 85 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind 6 to 8 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 6 to 8 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South wind around 6 mph becoming calm after midnight.

    Low: 76 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Partly cloudy, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing, with a high near 85. West northwest wind 6 to 8 mph.
Thursday Night
Clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Saturday
Sunny, with a high near 93. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 94. South southwest wind 6 to 8 mph.
Sunday Night
Clear, with a low around 76. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Light south wind.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Whiteash IL
 37.8°N 88.97°W
Last Update:
8:00 pm CDT Jun 18, 2025
Forecast Valid:
10pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
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