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

39°F

4°C

Humidity 81%
Wind Speed Calm
Barometer 29.77 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Nov 9:55 am EST
Extended Forecast for

7 Miles WSW Emporium PA

  • Today

    Today: Showers, with thunderstorms also possible after 4pm. High near 55. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Low around 36. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of rain and snow showers before 10am, then rain showers likely between 10am and 1pm, then snow showers likely after 1pm. Mostly cloudy, with a high near 40. West wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 40. West wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 40 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 4pm. High near 55. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Low around 36. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of rain and snow showers before 10am, then rain showers likely between 10am and 1pm, then snow showers likely after 1pm. Mostly cloudy, with a high near 40. West wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 40. West wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Emporium PA
 41.48°N 78.36°W (Elev. 1424 ft)
Last Update:
9:21 am EST Nov 15, 2025
Forecast Valid:
10am EST Nov 15, 2025-6pm EST Nov 21, 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