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.

Fair

7°F

-14°C

Humidity 72%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 9 Dec 1:35 am EST
Extended Forecast for

Cross Fork PA

Winter Weather Advisory December 10, 01:00am until December 10, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Clear, with a low around 5. Calm wind.

    Low: 5 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of snow after 3pm. Increasing clouds, with a high near 30. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 30 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 5am. Cloudy, with a low around 24. South wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Cloudy then
    Snow Likely

  • Wednesday

    Wednesday: Snow before 10am, then snow, possibly mixed with rain. High near 38. South wind around 9 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 21. West wind around 8 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 5. Calm wind.
Tuesday
A slight chance of snow after 3pm. Increasing clouds, with a high near 30. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Snow likely, mainly after 5am. Cloudy, with a low around 24. South wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow before 10am, then snow, possibly mixed with rain. High near 38. South wind around 9 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 21. West wind around 8 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Friday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Cloudy, with a low around 16. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cross Fork PA
 41.47°N 77.8°W (Elev. 1627 ft)
Last Update:
1:33 am EST Dec 9, 2025
Forecast Valid:
1am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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