National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Fair

21°F

-6°C

Humidity 38%
Wind Speed NE 3 mph
Barometer 30.23 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 8 Dec 3:35 pm EST
Extended Forecast for

Cross Fork PA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Calm wind.

    Low: 6 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of snow showers after 3pm. Increasing clouds, with a high near 31. 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: 31 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow likely after 1am. Cloudy, with a low around 24. Southwest 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 rain and snow. High near 39. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 10pm. Cloudy, with a low around 23. West wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Snow showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.

    Low: 17 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Calm wind.
Tuesday
A slight chance of snow showers after 3pm. Increasing clouds, with a high near 31. 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 after 1am. Cloudy, with a low around 24. Southwest 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 rain and snow. High near 39. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Rain and snow likely, becoming all snow after 10pm. Cloudy, with a low around 23. West wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly cloudy, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cross Fork PA
 41.48°N 77.83°W (Elev. 1476 ft)
Last Update:
3:41 pm EST Dec 8, 2025
Forecast Valid:
3pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation