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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Cross Fork PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 41. Northwest wind 11 to 13 mph, with gusts as high as 30 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: A chance of snow showers, mainly between 2am and 5am. Increasing clouds, with a low around 28. Calm wind. Chance of precipitation is 30%.

    Low: 28 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 50. South wind 6 to 14 mph, with gusts as high as 31 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Increasing clouds, with a low around 43. Southeast wind around 11 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 61. South wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 18. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 41. Northwest wind 11 to 13 mph, with gusts as high as 30 mph.
Tonight
A chance of snow showers, mainly between 2am and 5am. Increasing clouds, with a low around 28. Calm wind. Chance of precipitation is 30%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 50. South wind 6 to 14 mph, with gusts as high as 31 mph.
Sunday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 43. Southeast wind around 11 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 61. South wind around 10 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 11pm. Some thunder is also possible. Mostly cloudy, with a low around 18. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 50.
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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:
12:51 pm EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation