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.

Overcast

30°F

-1°C

Humidity 51%
Wind Speed S 5 mph
Barometer 29.82 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 16 Jan 8:35 pm EST
Extended Forecast for

5 Miles SSW Cross Fork PA

  • Tonight

    Tonight: A chance of snow, mainly after 10pm. Cloudy, with a low around 25. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 37. South wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A slight chance of snow before 1am, then a slight chance of snow showers after 1am. Mostly cloudy, with a low around 19. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 24. West wind around 7 mph.

    High: 24 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Southwest wind around 7 mph.

    Low: 16 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 12.

    High: 12 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow, mainly after 10pm. Cloudy, with a low around 25. South wind around 6 mph. Chance of precipitation is 40%.
Saturday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 37. South wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow before 1am, then a slight chance of snow showers after 1am. Mostly cloudy, with a low around 19. Southwest wind around 6 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 24. West wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 16. Southwest wind around 7 mph.
M.L.King Day
A slight chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 12.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
A chance of snow showers after 1pm. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Cross Fork PA
 41.41°N 77.87°W (Elev. 1736 ft)
Last Update:
8:11 pm EST Jan 16, 2026
Forecast Valid:
8pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation