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Hazardous Weather Conditions

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: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 67. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 28. Southwest wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 28 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 35. West wind around 16 mph, with gusts as high as 33 mph.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 26 °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 45. South wind 10 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

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

    Low: 27 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 67. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 28. Southwest wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Partly sunny, with a high near 35. West wind around 16 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind 6 to 10 mph, with gusts as high as 21 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 45. South wind 10 to 18 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 before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Sunday Night
Showers, mainly after 2am. Low around 33. Breezy. Chance of precipitation is 90%.
Monday
Rain and snow showers. High near 43. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Kersey PA
 41.28°N 78.6°W (Elev. 2067 ft)
Last Update:
12:41 pm EDT Mar 11, 2026
Forecast Valid:
1pm EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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