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

14°F

-10°C

Humidity 79%
Wind Speed SW 6 mph
Barometer 30.08 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 15 Dec 11:15 pm EST
Extended Forecast for

2 Miles WSW Emporium PA

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. South wind 5 to 8 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 1pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 24. Chance of precipitation is 100%.

    Low: 24 °F

    Showers

  • Friday

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

    High: 36 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 8. Calm wind.
Tuesday
Mostly sunny, with a high near 32. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 22. South wind 5 to 8 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 41. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers after 1pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Thursday Night
Showers. Low around 24. Chance of precipitation is 100%.
Friday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 40.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Emporium PA
 41.5°N 78.27°W (Elev. 1099 ft)
Last Update:
11:15 pm EST Dec 15, 2025
Forecast Valid:
11pm EST Dec 15, 2025-6pm EST Dec 22, 2025
 
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