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

28°F

-2°C

Humidity 80%
Wind Speed SW 8 mph
Barometer 30.01 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 3 Dec 7:15 pm EST
Extended Forecast for

Emporium PA

  • Tonight

    Tonight: A chance of snow, mainly after 2am. Cloudy, with a low around 24. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow showers, mainly before 2pm. Mostly cloudy, with a high near 33. West wind 7 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8. West wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. Calm wind becoming south around 6 mph in the morning.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow, mainly after 2am. Cloudy, with a low around 24. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers, mainly before 2pm. Mostly cloudy, with a high near 33. West wind 7 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 8. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 32. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 20. Calm wind.
Saturday
Mostly cloudy, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
7:05 pm EST Dec 3, 2025
Forecast Valid:
7pm EST Dec 3, 2025-6pm EST Dec 10, 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