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

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Mostly Cloudy

28°F

-2°C

Humidity 64%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 1 Dec 5:55 pm EST
Extended Forecast for

Cross Fork PA

Winter Weather Advisory December 2, 01:00am until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely, mainly after 4am. Mostly cloudy, with a low around 24. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow, mainly before 1pm. High near 34. Southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 25. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Thursday

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

    High: 32 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Mostly cloudy, with a low around 24. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 1pm. High near 34. Southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Mostly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 25. Southwest wind around 6 mph. Chance of precipitation is 20%.
Thursday
A chance of snow showers before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cross Fork PA
 41.47°N 77.8°W (Elev. 1627 ft)
Last Update:
2:26 pm EST Dec 1, 2025
Forecast Valid:
6pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation