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

32°F

0°C

Humidity 87%
Wind Speed W 10 G 16 mph
Barometer 29.98 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 17 Jan 6:55 pm EST
Extended Forecast for

5 Miles SSW Cross Fork PA

  • Tonight

    Tonight: A chance of snow showers before 8pm. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26. West wind around 6 mph.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. West wind around 6 mph.

    Low: 16 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. Southwest wind 7 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 25 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 5. West wind around 10 mph, with gusts as high as 31 mph.

    Low: 5 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
A chance of snow showers before 8pm. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 26. West wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 16. West wind around 6 mph.
M.L.King Day
A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. Southwest wind 7 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 5. West wind around 10 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
A chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 1pm. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
A chance of snow showers. Partly sunny, with a high near 26. 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:
6:56 pm EST Jan 17, 2026
Forecast Valid:
7pm EST Jan 17, 2026-6pm EST Jan 24, 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