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.

Partly Cloudy

88°F

31°C

Humidity 59%
Wind Speed SW 14 mph
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Oct 4:45 pm CDT
Extended Forecast for

Whiteash IL

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly sunny, with a steady temperature around 84. Southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms. Increasing clouds, with a low around 50. Southwest wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am. Cloudy through mid morning, then becoming mostly sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 29 mph.

    High: 59 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind 11 to 17 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. North northeast wind 8 to 10 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the morning.

    High: 67 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly sunny, with a steady temperature around 84. Southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 50. Southwest wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Friday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then becoming mostly sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 41. North wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60. North northeast wind 8 to 10 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming south southeast around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
1:51 pm CDT Oct 15, 2026
Forecast Valid:
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
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Additional Resources

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Chance of Precipitation