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 and Breezy

32°F

0°C

Humidity 55%
Wind Speed W 22 G 32 mph
Barometer 30.03 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 28 Nov 2:15 pm EST
Extended Forecast for

Emporium PA

Winter Weather Advisory November 28, 02:32pm until November 29, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory November 28, 02:32pm until November 29, 01:00am

    NOW until 1:00am Sat

    Winter Weather Advisory

  • This Afternoon

    High: 36 °F

    Heavy Snow

  • Tonight

    Tonight: Scattered snow showers, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Heavy Snow

  • Saturday

    Saturday: Partly sunny, with a high near 37. Light and variable wind.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 26. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow before 10am, then rain and snow. High near 42. South wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow, becoming all snow after 10pm. 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

    Rain/Snow
    Likely then
    Snow Likely

  • Monday

    Monday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Frequent snow showers. The snow could be heavy at times. High near 36. West wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Scattered snow showers, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Saturday
Partly sunny, with a high near 37. Light and variable wind.
Saturday Night
Snow, mainly after 1am. Low around 26. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow before 10am, then rain and snow. High near 42. South wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Rain likely, possibly mixed with snow, becoming all snow after 10pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 34.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Tuesday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Tuesday Night
A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
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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:
1:05 pm EST Nov 28, 2025
Forecast Valid:
2pm EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation