National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles SW Cross Fork PA

  • Overnight

    Overnight: Mostly clear, with a low around 21. Light northwest wind.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Light west wind.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. Light south wind.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow showers likely after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.

    Low: 14 °F

    Partly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 21. Light northwest wind.
Thursday
Mostly sunny, with a high near 38. Light west wind.
Thursday Night
Mostly clear, with a low around 20. Calm wind.
Friday
Sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 33. Light south wind.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Snow showers likely after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cross Fork PA
 41.42°N 77.9°W (Elev. 1407 ft)
Last Update:
1:21 am EST Feb 26, 2026
Forecast Valid:
2am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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