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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 S Kersey PA

  • This Afternoon

    This Afternoon: A slight chance of rain. Mostly cloudy, with a high near 47. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after 9pm. Patchy fog after 2am. Low around 36. Southeast wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 10am. Patchy fog before 10am. High near 48. Southeast wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 31. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 38. West wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 38 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 35. Chance of precipitation is 90%.

    High: 35 °F

    Snow

  • Sunday Night

    Sunday Night: Snow showers likely. Cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.

    High: 32 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
A slight chance of rain. Mostly cloudy, with a high near 47. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Rain, mainly after 9pm. Patchy fog after 2am. Low around 36. Southeast wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 10am. Patchy fog before 10am. High near 48. Southeast wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain and snow before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 31. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 38. West wind 7 to 13 mph, with gusts as high as 24 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
Snow. High near 35. Chance of precipitation is 90%.
Sunday Night
Snow showers likely. Cloudy, with a low around 26. Chance of precipitation is 60%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Kersey PA
 41.29°N 78.63°W (Elev. 1896 ft)
Last Update:
2:58 pm EST Feb 19, 2026
Forecast Valid:
3pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation