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, 04:00pm until March 14, 08:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 13, 04:00pm until March 14, 08:00am

    NOW until 8:00am Sat

    Wind Advisory

  • This Afternoon

    High: 45 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Rain showers before 9pm, then a chance of snow showers between 9pm and 10pm. Low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Breezy.
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 39. West wind 11 to 16 mph, with gusts as high as 38 mph.

    High: 39 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Increasing clouds, with a low around 29. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 29 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 8am. Mostly cloudy, with a high near 50. Southeast wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 61. Chance of precipitation is 100%.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: A chance of snow showers before 2am. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 50%.

    Low: 18 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

This Afternoon
A chance of rain and snow showers before 5pm, then rain showers. High near 45. Breezy, with a southwest wind around 21 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain showers before 9pm, then a chance of snow showers between 9pm and 10pm. Low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 39. West wind 11 to 16 mph, with gusts as high as 38 mph.
Saturday Night
A chance of snow showers after 2am. Increasing clouds, with a low around 29. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 8am. Mostly cloudy, with a high near 50. Southeast wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 8am. High near 61. Chance of precipitation is 100%.
Monday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 50%.
Tuesday
Mostly cloudy, with a high near 24. Breezy.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 43.
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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:
2:20 pm EDT Mar 13, 2026
Forecast Valid:
4pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
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