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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

11 Miles WSW Galeton PA

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 27. Southwest wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 27 °F

    Showers

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 32. Northwest wind around 16 mph, with gusts as high as 34 mph.

    High: 32 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 11am, then a chance of rain and snow between 11am and 5pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 42. South wind 9 to 15 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 25 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 2pm. Cloudy, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 39. Breezy. Chance of precipitation is 70%.

    Low: 39 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 27. Southwest wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 32. Northwest wind around 16 mph, with gusts as high as 34 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind 6 to 10 mph, with gusts as high as 22 mph.
Friday
A chance of snow before 11am, then a chance of rain and snow between 11am and 5pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 42. South wind 9 to 15 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 36.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Sunday
A chance of snow showers before 2pm. Cloudy, with a high near 46. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 39. Breezy. Chance of precipitation is 70%.
Monday
Rain and snow showers likely, mainly before 2pm. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 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:
6:56 pm EDT Mar 11, 2026
Forecast Valid:
7pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation