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

6 Miles SW Cross Fork PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 43. Northwest wind 11 to 14 mph, with gusts as high as 34 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: A slight chance of snow after 2am. Increasing clouds, with a low around 29. Calm wind. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 52. South wind 7 to 14 mph, with gusts as high as 32 mph.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 45. Southeast wind around 11 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers. High near 64. Southeast wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 11pm, then gradually ending. Mostly cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 43. Northwest wind 11 to 14 mph, with gusts as high as 34 mph.
Tonight
A slight chance of snow after 2am. Increasing clouds, with a low around 29. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 52. South wind 7 to 14 mph, with gusts as high as 32 mph.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 45. Southeast wind around 11 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 64. Southeast wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain and snow showers likely, becoming all snow after 11pm, then gradually ending. Mostly cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Mostly cloudy, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 33.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cross Fork PA
 41.42°N 77.9°W (Elev. 1407 ft)
Last Update:
11:07 am EDT Mar 14, 2026
Forecast Valid:
12pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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