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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

9 Miles NW Emporium PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Light south wind.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 66. South wind 7 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 27. West wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Thursday

    Thursday: A chance of snow showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 36. Northwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. West wind 3 to 7 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Rain and snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow showers likely before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Light south wind.
Wednesday
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 66. South wind 7 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 27. West wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 36. Northwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 25. West wind 3 to 7 mph.
Friday
Rain and snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow showers likely before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Sunday
A chance of rain and snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Sunday Night
Rain and snow showers. Low around 30. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 42. Chance of precipitation is 80%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 24.
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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:
8:51 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation