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

32°F

0°C

Humidity 64%
Wind Speed W 15 G 21 mph
Barometer 29.91 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 27 Nov 9:35 am EST
Extended Forecast for

Emporium PA

Winter Weather Advisory until November 29, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until November 29, 01:00am

    NOW until 1:00am Sat

    Winter Weather Advisory

  • Thanksgiving Day

    High: 37 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers, mainly after 7pm. Low around 26. West wind around 10 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Snow Showers

  • Friday

    Friday: Snow showers, mainly before 1pm. High near 37. West wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 37. West wind around 5 mph becoming calm in the afternoon.

    High: 37 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Sunday

    Sunday: Snow showers before 1pm, then rain showers. High near 41. Chance of precipitation is 90%.

    High: 41 °F

    Snow Showers
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Rain/Snow
    Likely

Detailed Forecast

Thanksgiving Day
A chance of snow showers, mainly after 4pm. Cloudy, with a high near 37. West wind 11 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Tonight
Snow showers, mainly after 7pm. Low around 26. West wind around 10 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow showers, mainly before 1pm. High near 37. West wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Friday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 37. West wind around 5 mph becoming calm in the afternoon.
Saturday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers before 1pm, then rain showers. High near 41. Chance of precipitation is 90%.
Sunday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 25. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 36.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
7:50 am EST Nov 27, 2025
Forecast Valid:
9am EST Nov 27, 2025-6pm EST Dec 3, 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