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.

N/A

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

8 Miles NW Cross Fork PA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 29. West wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 36. Northwest wind around 14 mph, with gusts as high as 33 mph.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Snow showers likely before 2pm, then rain and snow showers likely between 2pm and 5pm, then rain showers likely after 5pm. Mostly cloudy, with a high near 44. South wind 6 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 44 °F

    Snow Showers
    Likely then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Showers likely after 2am. Cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 29. West wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 36. Northwest wind around 14 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 25. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.
Friday
Snow showers likely before 2pm, then rain and snow showers likely between 2pm and 5pm, then rain showers likely after 5pm. Mostly cloudy, with a high near 44. South wind 6 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Rain and snow showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Sunday
A chance of snow showers before 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Sunday Night
Showers likely after 2am. Cloudy, with a low around 41. Chance of precipitation is 60%.
Monday
Rain showers before 2pm, then rain and snow showers likely. High near 57. Chance of precipitation is 80%.
Monday Night
Rain and snow showers likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cross Fork PA
 41.55°N 77.94°W (Elev. 1726 ft)
Last Update:
3:06 am EDT Mar 12, 2026
Forecast Valid:
3am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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