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

76°F

24°C

Humidity 89%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 19 Aug 10:35 pm CDT
Extended Forecast for

2 Miles W Whiteash IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 73. Calm wind becoming north around 5 mph after midnight.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. North northeast wind 6 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North northeast wind 5 to 9 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87. North northeast wind 6 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. North northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. North northeast wind 3 to 6 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. North wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 73. Calm wind becoming north around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 90. North northeast wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 67. North northeast wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 87. North northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 66. North northeast wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. North northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Calm wind becoming north northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 56. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Whiteash IL
 37.78°N 88.97°W
Last Update:
10:30 pm CDT Aug 19, 2025
Forecast Valid:
10pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation