Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

32°F

0°C

Humidity 93%
Wind Speed Calm
Barometer 29.78 in
Dewpoint 30°F (-1°C)
Visibility 5.00 mi
Last update 2 Dec 1:15 pm EST
Extended Forecast for

2 Miles W Kersey PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 33. Northwest wind 3 to 6 mph.

    High: 33 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 32 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Snow likely after 1am.  Mostly cloudy, with a low around 21. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Mostly Cloudy
    then Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 1pm.  Partly sunny, with a high near 28. West wind 11 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm.  Mostly cloudy, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 33. Northwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Mostly cloudy, with a high near 32. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Snow likely after 1am. Mostly cloudy, with a low around 21. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 1pm. Partly sunny, with a high near 28. West wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 7.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of snow before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Monday
A chance of snow. Partly sunny, with a high near 26. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Kersey PA
 41.33°N 78.65°W (Elev. 1752 ft)
1:05 pm EST Dec 2, 2025
1pm EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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Additional Resources

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