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

2 Miles NNW Driftwood PA

  • Today

    Today: A slight chance of showers after 3pm. Partly sunny, with a high near 70. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 8am. Some of the storms could be severe. High near 71. South wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then a chance of rain and snow showers. Low around 34. West wind around 9 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 40. Northwest wind around 10 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

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

    High: 48 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain showers likely, possibly mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers after 3pm. Partly sunny, with a high near 70. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 8am. Some of the storms could be severe. High near 71. South wind 5 to 9 mph, with gusts as high as 23 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 a chance of rain and snow showers. Low around 34. West wind around 9 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 40. Northwest wind around 10 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 27.
Friday
A chance of rain and snow showers before 2pm, then rain showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
Rain showers likely, possibly mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Sunday Night
Rain and snow showers. Low around 35. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 43. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Driftwood PA
 41.37°N 78.14°W (Elev. 1463 ft)
Last Update:
8:05 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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