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

27°F

-3°C

Humidity 86%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 6 Dec 1:15 am EST
Extended Forecast for

8 Miles NW Cross Fork PA

  • Overnight

    Overnight: Cloudy, with a low around 20. Light southwest wind.

    Low: 20 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 35. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. West wind around 6 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after 1pm. Mostly cloudy, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 14. West wind around 6 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 14 °F

    Slight Chance
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
Cloudy, with a low around 20. Light southwest wind.
Saturday
Mostly cloudy, with a high near 35. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 24. West wind around 6 mph becoming calm in the evening.
Sunday
A chance of snow after 1pm. Mostly cloudy, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 14. West wind around 6 mph becoming north after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Wednesday
Snow likely before 1pm, then rain and snow. High near 37. Chance of precipitation is 90%.
Wednesday Night
Rain and snow. Low around 25. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Friday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cross Fork PA
 41.55°N 77.94°W (Elev. 1726 ft)
Last Update:
1:16 am EST Dec 6, 2025
Forecast Valid:
1am EST Dec 6, 2025-6pm EST Dec 12, 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