Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 1:35 am CDT
Extended Forecast for

3 Miles WSW Whiteash IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Light and variable wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 87. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 70. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%.

    Low: 70 °F

    T-storms then
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm.  Partly sunny, with a high near 81. West northwest wind around 10 mph.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light north northeast wind.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68. Light and variable wind.
Sunday
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 87. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Sunday Night
Showers and possibly a thunderstorm. Low around 70. South southwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 81. West northwest wind around 10 mph.
Monday Night
Partly cloudy, with a low around 63. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 85. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 65. Light and variable wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light northwest wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Whiteash IL
 37.78°N 88.97°W
1:26 am CDT Jun 20, 2026
1am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

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