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

30°F

-1°C

Humidity 59%
Wind Speed W 20 G 26 mph
Barometer 30.11 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 4 Dec 12:35 pm EST
Extended Forecast for

5 Miles SE Emporium PA

  • This Afternoon

    This Afternoon: A chance of snow showers, mainly before 1pm. The snow could be heavy at times. Partly sunny, with a temperature falling to around 22 by 5pm. Northwest wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 31 °F⇓

    Heavy Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 29. Calm wind becoming south around 6 mph in the morning.

    High: 29 °F

    Increasing
    Clouds

  • 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 37. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 37 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.

    Low: 15 °F

    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow showers, mainly before 1pm. The snow could be heavy at times. Partly sunny, with a temperature falling to around 22 by 5pm. Northwest wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 29. 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 37. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Sunday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely. Cloudy, with a low around 23. Chance of precipitation is 70%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Emporium PA
 41.47°N 78.19°W (Elev. 1522 ft)
Last Update:
12:56 pm EST Dec 4, 2025
Forecast Valid:
12pm EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation