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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

6 Miles SSE James City PA

  • Today

    Today: Mostly cloudy, with a high near 36. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow, mainly after 5am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow, mainly after 7am. High near 34. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 25. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow Likely

  • Monday

    Monday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 20%.

    Low: 11 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.

    Low: 17 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 36. West wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
A chance of snow, mainly after 5am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.
Sunday
Snow, mainly after 7am. High near 34. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely. Mostly cloudy, with a low around 25. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Wednesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE James City PA
 41.54°N 78.79°W (Elev. 1699 ft)
Last Update:
7:06 am EST Feb 21, 2026
Forecast Valid:
9am EST Feb 21, 2026-6pm EST Feb 27, 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