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.

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

Wind Advisory March 13, 11:00am until March 14, 02:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 36. Northwest wind around 17 mph, with gusts as high as 34 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Snow showers likely, possibly mixed with rain, becoming all rain after 4pm. Mostly cloudy, with a high near 46. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Breezy.
    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 27. Breezy, with a west wind 20 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 41. West wind around 14 mph, with gusts as high as 26 mph.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Slight Chance
    Snow Showers
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Showers likely after 2am. Mostly cloudy, with a low around 41. Breezy. Chance of precipitation is 60%.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Rain showers before 2pm, then a chance of rain and snow showers. High near 55. Breezy. Chance of precipitation is 80%.

    High: 55 °F

    Breezy.
    Showers then
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 36. Northwest wind around 17 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 26. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Friday
Snow showers likely, possibly mixed with rain, becoming all rain after 4pm. Mostly cloudy, with a high near 46. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 27. Breezy, with a west wind 20 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 41. West wind around 14 mph, with gusts as high as 26 mph.
Saturday Night
A chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow showers before 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
Sunday Night
Showers likely after 2am. Mostly cloudy, with a low around 41. Breezy. Chance of precipitation is 60%.
Monday
Rain showers before 2pm, then a chance of rain and snow showers. High near 55. Breezy. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow showers before 8pm. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Kersey PA
 41.29°N 78.63°W (Elev. 1896 ft)
Last Update:
11:51 am EDT Mar 12, 2026
Forecast Valid:
12pm EDT Mar 12, 2026-6pm EDT Mar 18, 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