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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Emporium PA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. West wind around 6 mph becoming light and variable in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain and snow likely after 1am, becoming all snow after 4am. Increasing clouds, with a low around 27. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Partly Cloudy
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 35. Northwest wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Light northwest wind.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow. Mostly sunny, with a high near 34. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Partly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain, snow, and freezing rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Wintry Mix
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Light south wind.
Saturday
Mostly sunny, with a high near 52. West wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Rain and snow likely after 1am, becoming all snow after 4am. Increasing clouds, with a low around 27. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
A chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 35. Northwest wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 13. Light northwest wind.
Monday
A slight chance of snow. Mostly sunny, with a high near 34. Chance of precipitation is 20%.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow before 1pm, then rain, snow, and freezing rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Thursday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
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:
7:06 pm EST Feb 27, 2026
Forecast Valid:
12am EST Feb 28, 2026-6pm EST Mar 6, 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