National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 93%
Wind Speed S 8 mph
Barometer 29.50 in
Dewpoint 32°F (0°C)
Visibility 3.00 mi
Wind Chill27°F (-3°C)
Last update 10 Dec 5:35 am EST
Extended Forecast for

3 Miles WSW Ridgway PA

Winter Weather Advisory December 10, 06:23am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 06:23am until December 12, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Today

    High: 36 °F

    Snow then
    Rain/Snow

  • Tonight

    Tonight: Snow before 10pm, then snow showers likely, mainly between 10pm and 3am. Low around 18. Northwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Snow then
    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers. The snow could be heavy at times. High near 24. West wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 18. West wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 28. West wind around 6 mph. Chance of precipitation is 30%.

    High: 28 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely. Cloudy, with a low around 12. Chance of precipitation is 70%.

    Low: 12 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Rain and snow before 4pm, then a chance of snow between 4pm and 5pm, then rain and snow likely after 5pm. High near 36. Southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow before 10pm, then snow showers likely, mainly between 10pm and 3am. Low around 18. Northwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. The snow could be heavy at times. High near 24. West wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 18. West wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Friday
A chance of snow showers. Mostly cloudy, with a high near 28. West wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Saturday Night
Snow showers likely. Cloudy, with a low around 12. Chance of precipitation is 70%.
Sunday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 60%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.
Monday
Mostly cloudy, with a high near 22.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Ridgway PA
 41.41°N 78.78°W (Elev. 1706 ft)
Last Update:
6:11 am EST Dec 10, 2025
Forecast Valid:
6am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation