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

3 Miles WSW Weedville PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Light south wind.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 71. South wind 6 to 11 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 4am, then a chance of rain and snow showers. Some thunder is also possible. Low around 30. West wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 30 °F

    Severe
    Thunderstorms
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 40. West wind around 14 mph, with gusts as high as 33 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West wind 3 to 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a chance of snow between 11pm and 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Light south wind.
Wednesday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 71. South wind 6 to 11 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain showers before 4am, then a chance of rain and snow showers. Some thunder is also possible. Low around 30. West wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 40. West wind around 14 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 28. West wind 3 to 6 mph.
Friday
A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 11pm, then a chance of snow between 11pm and 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Sunday Night
Showers. Low around 34. Chance of precipitation is 90%.
Monday
Rain and snow showers. High near 47. Chance of precipitation is 80%.
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 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Weedville PA
 41.23°N 78.55°W (Elev. 1299 ft)
Last Update:
2:26 am EDT Mar 11, 2026
Forecast Valid:
3am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation