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

21°F

-6°C

Humidity 63%
Wind Speed W 13 G 29 mph
Barometer 29.78 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 30 Dec 5:35 pm EST
Extended Forecast for

11 Miles WSW Galeton PA

Winter Weather Advisory December 31, 04:00pm until January 1, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of snow showers. Mostly cloudy, with a high near 20. West wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    High: 20 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 16. West wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 10am, then a chance of snow showers after 2pm. Mostly cloudy, with a high near 24. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 1am. Low around 10. Wind chill values as low as -5. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow Showers

  • New Year's Day

    New Year's Day: A chance of snow showers. Partly sunny, with a high near 16. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 16 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 20%.

    Low: 10 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of snow showers. Mostly cloudy, with a high near 20. West wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Tonight
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 16. West wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Wednesday
A chance of snow showers before 10am, then a chance of snow showers after 2pm. Mostly cloudy, with a high near 24. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Snow showers, mainly before 1am. Low around 10. Wind chill values as low as -5. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
New Year's Day
A chance of snow showers. Partly sunny, with a high near 16. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 23.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Mostly cloudy, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.65°N 77.83°W (Elev. 2113 ft)
Last Update:
1:51 pm EST Dec 30, 2025
Forecast Valid:
5pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
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