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 17 G 31 mph
Barometer 29.43 in
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Wind Chill16°F (-9°C)
Last update 29 Dec 1:35 pm EST
Extended Forecast for

Emporium PA

Wind Advisory December 29, 01:53pm until December 30, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 01:53pm until December 30, 12:00pm

    NOW until 12:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 42 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow showers likely, mainly before 1am. Patchy blowing snow before 1am. Mostly cloudy, with a low around 20. Breezy, with a west wind 22 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 1pm. Patchy blowing snow between 8am and 9am. Mostly cloudy, with a high near 27. Breezy, with a west wind 13 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 19. West wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers, mainly after 1pm. High near 30. West wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 1am. Low around 14. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Snow Showers

  • New Year's Day

    New Year's Day: A chance of snow showers before 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 4pm. Patchy blowing snow after 4pm. Mostly cloudy, with a high near 42. Breezy, with a west wind around 23 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, mainly before 1am. Patchy blowing snow before 1am. Mostly cloudy, with a low around 20. Breezy, with a west wind 22 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
A chance of snow showers, mainly before 1pm. Patchy blowing snow between 8am and 9am. Mostly cloudy, with a high near 27. Breezy, with a west wind 13 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 19. West wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers, mainly after 1pm. High near 30. West wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers, mainly before 1am. Low around 14. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
New Year's Day
A chance of snow showers before 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Mostly cloudy, with a high near 29.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
1:41 pm EST Dec 29, 2025
Forecast Valid:
1pm EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation