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

36°F

2°C

Humidity 93%
Wind Speed SW 8 mph
Barometer 29.36 in
Dewpoint 34°F (1°C)
Visibility 0.75 mi
Wind Chill30°F (-1°C)
Last update 10 Dec 11:35 am EST
Extended Forecast for

Emporium PA

Winter Weather Advisory December 10, 11:48am until December 12, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 11:48am until December 12, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Today

    High: 36 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers likely before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 20. Northwest wind 7 to 9 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Thursday

    Thursday: Snow showers likely. The snow could be heavy at times. Mostly cloudy, with a high near 28. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 20. West wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 32. West wind around 6 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.

    High: 30 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Rain and snow before 4pm, then a chance of rain between 4pm and 5pm, then a chance of rain and snow after 5pm. High near 36. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
Tonight
Rain and snow showers likely before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 20. Northwest wind 7 to 9 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely. The snow could be heavy at times. Mostly cloudy, with a high near 28. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 20. West wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday
A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 32. West wind around 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 26.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.21°W (Elev. 1316 ft)
Last Update:
11:42 am EST Dec 10, 2025
Forecast Valid:
11am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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