National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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

5 Miles SSW Cross Fork PA

  • Tonight

    Tonight: Showers likely, mainly before 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 41. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers between 4pm and 5pm. Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 52. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Friday Night

    Friday Night: A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 44. Southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 64. South wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 45. Southwest wind around 7 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly before 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 41. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A slight chance of showers between 4pm and 5pm. Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 52. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 44. Southeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 64. South wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 45. Southwest wind around 7 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A chance of showers after 1pm. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 45. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Cross Fork PA
 41.41°N 77.87°W (Elev. 1736 ft)
Last Update:
7:06 pm EST Mar 5, 2026
Forecast Valid:
9pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation