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

2 Miles WNW Emporium PA

  • Tonight

    Tonight: A chance of snow, mainly after 2am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 52. South wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Increasing clouds, with a low around 43. Southeast wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 61. South wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 17. West wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow, mainly after 2am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 52. South wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers after 2am. Increasing clouds, with a low around 43. Southeast wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly after 8am. High near 61. South wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 17. West wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday
A chance of snow showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 51.
Friday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Emporium PA
 41.54°N 78.26°W (Elev. 1398 ft)
Last Update:
10:11 pm EDT Mar 14, 2026
Forecast Valid:
10pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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