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

14°F

-10°C

Humidity 73%
Wind Speed W 8 mph
Barometer 29.80 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 1 Jan 7:15 pm EST
Extended Forecast for

5 Miles S Cross Fork PA

  • Tonight

    Tonight: Scattered snow showers, mainly between 1am and 5am. Mostly cloudy, with a low around 13. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 13 °F

    Mostly Cloudy
    then
    Scattered
    Snow Showers

  • Friday

    Friday: Mostly cloudy, with a high near 24. West wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. West wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 26. West wind 3 to 6 mph.

    High: 26 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 19. West wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 19 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.

    High: 29 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers, mainly between 1am and 5am. Mostly cloudy, with a low around 13. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 24. West wind 8 to 10 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 15. West wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 26. West wind 3 to 6 mph.
Saturday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 19. West wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
A chance of showers. Cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cross Fork PA
 41.41°N 77.81°W (Elev. 2096 ft)
Last Update:
7:06 pm EST Jan 1, 2026
Forecast Valid:
7pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
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