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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

27°F

-3°C

Humidity 74%
Wind Speed W 15 G 24 mph
Barometer 29.63 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 11 Dec 3:55 am EST
Extended Forecast for

3 Miles WNW Weedville PA

Winter Weather Advisory December 11, 04:06am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 11, 04:06am until December 12, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Overnight

    Low: 18 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly between 1pm and 2pm. Mostly cloudy, with a high near 24. West wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 18. West wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 27. West wind around 6 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 14. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.

    Low: 10 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: A chance of snow showers. Mostly cloudy, with a high near 19. Chance of precipitation is 50%.

    High: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A slight chance of snow showers. Mostly cloudy, with a low around 18. Northwest wind around 13 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Thursday
Snow showers likely, mainly between 1pm and 2pm. Mostly cloudy, with a high near 24. West wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 18. West wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 27. West wind around 6 mph.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 14. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 19. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 21.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
A chance of showers. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Weedville PA
 41.28°N 78.57°W (Elev. 1821 ft)
Last Update:
2:06 am EST Dec 11, 2025
Forecast Valid:
4am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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