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

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Fair

21°F

-6°C

Humidity 38%
Wind Speed NE 7 mph
Barometer 30.21 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 8 Dec 1:55 pm EST
Extended Forecast for

11 Miles WSW Galeton PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 19. Northeast wind 3 to 6 mph.

    High: 19 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Calm wind.

    Low: 4 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of snow showers after 3pm. Increasing clouds, with a high near 27. Wind chill values as low as -5. South wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 27 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow likely after 1am. Cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Cloudy then
    Snow Likely

  • Wednesday

    Wednesday: Snow. High near 35. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely before 1am, then a chance of snow showers after 1am. Cloudy, with a low around 20. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.

    High: 26 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.

    Low: 16 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.

    High: 25 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 19. Northeast wind 3 to 6 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Calm wind.
Tuesday
A slight chance of snow showers after 3pm. Increasing clouds, with a high near 27. Wind chill values as low as -5. South wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Snow likely after 1am. Cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow. High near 35. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow likely before 1am, then a chance of snow showers after 1am. Cloudy, with a low around 20. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Galeton PA
 41.65°N 77.83°W (Elev. 2113 ft)
Last Update:
1:05 pm EST Dec 8, 2025
Forecast Valid:
2pm EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation