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.

Overcast

28°F

-2°C

Humidity 74%
Wind Speed W 8 mph
Barometer 29.76 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 11 Nov 4:15 am EST
Extended Forecast for

Force PA

Winter Weather Advisory November 11, 04:33am until November 11, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory November 11, 04:33am until November 11, 01:00pm

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • Overnight

    Low: 23 °F

    Snow Showers

  • Veterans Day

    Veterans Day: Snow showers, mainly before 1pm. High near 39. West wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow Showers
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers after midnight. Increasing clouds, with a low around 25. Southwest wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then rain showers likely after 1pm. Cloudy, with a high near 43. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow showers likely, becoming all rain after 10pm. Cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow showers. Low around 23. West wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Veterans Day
Snow showers, mainly before 1pm. High near 39. West wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
A chance of snow showers after midnight. Increasing clouds, with a low around 25. Southwest wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then rain showers likely after 1pm. Cloudy, with a high near 43. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow showers likely, becoming all rain after 10pm. Cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 49. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Force PA
 41.25°N 78.52°W (Elev. 1302 ft)
Last Update:
2:26 am EST Nov 11, 2025
Forecast Valid:
4am EST Nov 11, 2025-6pm EST Nov 17, 2025
 
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