National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

34°F

1°C

Humidity 75%
Wind Speed W 13 G 30 mph
Barometer 30.02 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 30 Nov 5:35 pm EST
Extended Forecast for

2 Miles WNW Emporium PA

  • Tonight

    Tonight: A chance of snow showers between 11pm and 3am. Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow
    Showers

  • Monday

    Monday: Increasing clouds, with a high near 33. Northwest wind around 5 mph becoming calm in the morning.

    High: 33 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Snow, mainly after 1am. Low around 22. Light southeast wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Slight Chance
    Snow then
    Snow

  • Tuesday

    Tuesday: Snow, mainly before 1pm. High near 35. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 19. Light west wind. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.

    High: 33 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers between 11pm and 3am. Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday
Increasing clouds, with a high near 33. Northwest wind around 5 mph becoming calm in the morning.
Monday Night
Snow, mainly after 1am. Low around 22. Light southeast wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 1pm. High near 35. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 19. Light west wind. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Thursday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 28.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Emporium PA
 41.54°N 78.26°W (Elev. 1398 ft)
Last Update:
4:41 pm EST Nov 30, 2025
Forecast Valid:
5pm EST Nov 30, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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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