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

Force PA

  • Today

    Today: Sunny, with a high near 65. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 47. Light southwest wind.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 69. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow showers likely before 8am. Partly sunny, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Snow Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

Detailed Forecast

Today
Sunny, with a high near 65. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 47. Light southwest wind.
Tuesday
A slight chance of showers after 2pm. Partly sunny, with a high near 69. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 32. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely before 8am. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 26.
Friday
A chance of snow showers before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Force PA
 41.25°N 78.52°W (Elev. 1302 ft)
Last Update:
4:46 am EDT Mar 9, 2026
Forecast Valid:
7am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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