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.

Fair

9°F

-13°C

Humidity 78%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 5 Dec 4:35 am EST
Extended Forecast for

9 Miles NW Emporium PA

  • Today

    Today: Increasing clouds, with a high near 26. Wind chill values as low as -5. South wind 3 to 7 mph.

    High: 26 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 22. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 31. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 31 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 13 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

Detailed Forecast

Today
Increasing clouds, with a high near 26. Wind chill values as low as -5. South wind 3 to 7 mph.
Tonight
Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 32. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 22. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 31. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Monday
Mostly sunny, with a high near 20.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Tuesday Night
Snow likely. Cloudy, with a low around 23. Chance of precipitation is 60%.
Wednesday
Rain and snow. High near 36. Chance of precipitation is 90%.
Wednesday Night
Rain and snow. Low around 23. Chance of precipitation is 90%.
Thursday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW Emporium PA
 41.59°N 78.37°W (Elev. 1942 ft)
Last Update:
3:51 am EST Dec 5, 2025
Forecast Valid:
4am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation