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.

Overcast

32°F

0°C

Humidity 87%
Wind Speed W 8 G 16 mph
Barometer 29.87 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Jan 5:15 am EST
Extended Forecast for

3 Miles S Kersey PA

  • Today

    Today: Snow showers, mainly after 2pm. The snow could be heavy at times. Areas of blowing snow after 3pm. High near 31. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Snow showers, mainly before 11pm. Areas of blowing snow between 8pm and 9pm. Low around 23. Breezy, with a west wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Showers
    and Areas
    Blowing Snow

  • Monday

    Monday: Partly sunny, with a high near 33. West wind around 14 mph, with gusts as high as 28 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. South wind around 11 mph, with gusts as high as 23 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Snow showers, mainly after 2pm. The snow could be heavy at times. Areas of blowing snow after 3pm. High near 31. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers, mainly before 11pm. Areas of blowing snow between 8pm and 9pm. Low around 23. Breezy, with a west wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 33. West wind around 14 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 27. West wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 39. South wind around 11 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers. High near 38. Chance of precipitation is 80%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 50%.
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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:
1:06 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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