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 93%
Wind Speed W 7 mph
Barometer 29.76 in
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill28°F (-2°C)
Last update 26 Dec 11:15 pm EST
Extended Forecast for

Emporium PA

Winter Weather Advisory December 26, 11:22pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 26, 11:22pm until December 27, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 25 °F

    Chance
    Freezing Rain
    and Patchy
    Dense
    Freezing Fog

  • Saturday

    Saturday: Patchy dense freezing fog before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Patchy Dense
    Freezing Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of freezing rain before 10am, then rain showers. High near 43. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Chance
    Rain/Freezing
    Rain then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 37. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Showers

  • Monday

    Monday: Rain showers before 1pm, then snow showers likely, possibly mixed with rain. High near 53. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 53 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers. Low around 19. Breezy. Chance of precipitation is 80%.

    Low: 19 °F

    Snow Showers
    and Breezy

  • Tuesday

    Tuesday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
A chance of freezing rain, mainly between midnight and 3am. Patchy fog between 2am and 3am. Patchy dense freezing fog before 2am, then patchy dense freezing fog after 3am. Otherwise, cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.
Saturday
Patchy dense freezing fog before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind.
Saturday Night
Mostly cloudy, with a low around 22. Calm wind.
Sunday
A chance of freezing rain before 10am, then rain showers. High near 43. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 37. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain showers before 1pm, then snow showers likely, possibly mixed with rain. High near 53. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
Snow showers. Low around 19. Breezy. Chance of precipitation is 80%.
Tuesday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Wednesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
New Year's Day
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly cloudy, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
8:06 pm EST Dec 26, 2025
Forecast Valid:
11pm EST Dec 26, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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