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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

30°F

-1°C

Humidity 80%
Wind Speed N 12 mph
Barometer 30.17 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 1 Dec 2:45 pm CST
Extended Forecast for

5 Miles NW Goreville IL

Winter Weather Advisory December 1, 06:00pm until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A 40 percent chance of snow. Cloudy, with a high near 35. Light north northeast wind.

    High: 35 °F

    Chance Snow

  • Tonight

    Tonight: Drizzle, snow, and freezing rain before 2am, then a chance of freezing rain between 2am and 3am. Low around 23. Calm wind becoming north northwest 5 to 9 mph after midnight. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.

    Low: 23 °F

    Wintry Mix

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 33 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. Calm wind becoming south around 5 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. South southwest wind 3 to 8 mph.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Light and variable wind becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North wind 6 to 11 mph becoming light north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers after midnight. Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Partly sunny, with a high near 37. Calm wind becoming south southwest around 5 mph.

    High: 37 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Cloudy, with a high near 35. Light north northeast wind.
Tonight
Drizzle, snow, and freezing rain before 2am, then a chance of freezing rain between 2am and 3am. Low around 23. Calm wind becoming north northwest 5 to 9 mph after midnight. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 24. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 41. South southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 22. Light and variable wind becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 28. North wind 6 to 11 mph becoming light north northeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A slight chance of snow showers after midnight. Mostly cloudy, with a low around 19. Calm wind.
Friday
A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Partly sunny, with a high near 37. Calm wind becoming south southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 28. Light southwest wind.
Saturday
Mostly sunny, with a high near 41. Southwest wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 31. Light and variable wind becoming west around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 40. North northwest wind around 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Goreville IL
 37.6°N 89.07°W
Last Update:
3:16 pm CST Dec 1, 2025
Forecast Valid:
3pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation