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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

34°F

1°C

Humidity 75%
Wind Speed SW 9 G 16 mph
Barometer 29.71 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 10 Dec 12:15 am EST
Extended Forecast for

3 Miles WSW Ridgway PA

Winter Weather Advisory December 10, 01:00am until December 10, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Snow, mainly after 2am. Low around 27. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 27 °F

    Snow

  • Wednesday

    Wednesday: Snow, mainly before 5pm. High near 36. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 19. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 25. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 18. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.

    Low: 16 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

    High: 29 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow. Low around 16. Chance of precipitation is 80%.

    Low: 16 °F

    Snow

Detailed Forecast

Overnight
Snow, mainly after 2am. Low around 27. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Snow, mainly before 5pm. High near 36. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers. Low around 19. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 25. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 18. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Friday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Saturday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Saturday Night
Snow. Low around 16. Chance of precipitation is 80%.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Monday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Ridgway PA
 41.41°N 78.78°W (Elev. 1706 ft)
Last Update:
7:06 pm EST Dec 9, 2025
Forecast Valid:
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation