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

8 Miles WSW Galeton PA

Winter Weather Advisory December 10, 07:27am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 07:27am until December 12, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Today

    High: 36 °F

    Heavy Snow

  • Tonight

    Tonight: Snow likely before 3am, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 17. Northwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Snow Likely
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly after 7am. The snow could be heavy at times. Mostly cloudy, with a high near 24. West wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 18. West wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 28. West wind around 7 mph. Chance of precipitation is 20%.

    High: 28 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 13. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Snow, mainly before 4pm. The snow could be heavy at times. High near 36. South wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow likely before 3am, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 17. Northwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely, mainly after 7am. The snow could be heavy at times. Mostly cloudy, with a high near 24. West wind around 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 18. West wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Friday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 28. West wind around 7 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Saturday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 13. Chance of precipitation is 60%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 22.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Galeton PA
 41.69°N 77.77°W (Elev. 1699 ft)
Last Update:
7:05 am EST Dec 10, 2025
Forecast Valid:
7am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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