National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

19°F

-7°C

Humidity 63%
Wind Speed W 3 mph
Barometer 30.23 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 4 Dec 7:15 pm EST
Extended Forecast for

Emporium PA

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Light and variable wind.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 31. Calm wind becoming south around 6 mph in the morning.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 38. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 38 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.

    Low: 15 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 9. Light and variable wind.
Friday
Increasing clouds, with a high near 31. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 20. Calm wind.
Saturday
Mostly cloudy, with a high near 38. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of snow after 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Sunday Night
A chance of snow before 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Wednesday
Rain and snow showers likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Wednesday Night
Rain and snow showers. Low around 26. Chance of precipitation is 80%.
Thursday
Rain and snow showers likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
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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:
7:07 pm EST Dec 4, 2025
Forecast Valid:
7pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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