National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Thunderstorm in Vicinity

55°F

13°C

Humidity 72%
Wind Speed W 7 mph
Barometer 29.60 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 15 Nov 1:35 pm EST
Extended Forecast for

2 Miles N Kersey PA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 54. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 34. Southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of snow showers, mainly after 9am. Mostly cloudy, with a high near 40. Breezy, with a west wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Snow showers likely. Mostly cloudy, with a low around 27. West wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 36. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 54. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 34. Southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of snow showers, mainly after 9am. Mostly cloudy, with a high near 40. Breezy, with a west wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 27. West wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 36. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A chance of rain showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Kersey PA
 41.35°N 78.62°W (Elev. 1906 ft)
Last Update:
1:05 pm EST Nov 15, 2025
Forecast Valid:
1pm EST Nov 15, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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