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.

Overcast

32°F

0°C

Humidity 80%
Wind Speed NW 10 G 18 mph
Barometer 30.05 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 7 Dec 8:55 pm EST
Extended Forecast for

Emporium PA

  • Tonight

    Tonight: Occasional flurries before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. North wind around 7 mph.

    Low: 11 °F

    Flurries then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27. North wind around 5 mph becoming calm in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. Calm wind.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 36. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 29. Southwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow before 1am, then a chance of snow. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow

  • Thursday

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

    High: 33 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
Occasional flurries before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. North wind around 7 mph.
Monday
Mostly sunny, with a high near 27. North wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 7. Calm wind.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 36. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
A slight chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 29. Southwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow before 1am, then a chance of snow. Low around 25. Chance of precipitation is 80%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Thursday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
8:06 pm EST Dec 7, 2025
Forecast Valid:
9pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation