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.

Mostly Cloudy

30°F

-1°C

Humidity 69%
Wind Speed SW 13 G 18 mph
Barometer 30.07 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 12 Jan 11:35 pm EST
Extended Forecast for

5 Miles SSW Cross Fork PA

  • Tonight

    Tonight: Partly cloudy, with a low around 26. West wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Southwest wind around 7 mph, with gusts as high as 21 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 36. Southwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 42. Southwest wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, possibly mixed with rain before 1am, then a chance of snow. Mostly cloudy, with a low around 18. West wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 40%.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. West wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 42. Southwest wind around 7 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 36. Southwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 42. Southwest wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, possibly mixed with rain before 1am, then a chance of snow. Mostly cloudy, with a low around 18. West wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 10.
M.L.King Day
Partly sunny, with a high near 21.
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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:
9:06 pm EST Jan 12, 2026
Forecast Valid:
11pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation