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

43°F

6°C

Humidity 76%
Wind Speed NW 7 mph
Barometer 30.17 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Jan 9:35 pm EST
Extended Forecast for

Emporium PA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, cloudy, with a low around 32. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 29 mph.

    Low: 32 °F

    Cloudy then
    Patchy Fog

  • Saturday

    Saturday: Rain. Patchy fog before 10am. High near 44. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Patchy Fog
    then Rain

  • Saturday Night

    Saturday Night: Rain before 4am, then a slight chance of snow showers. Patchy fog before midnight. Low around 28. Light and variable wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Partly sunny, with a high near 34. West wind 7 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, cloudy, with a low around 32. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 29 mph.
Saturday
Rain. Patchy fog before 10am. High near 44. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain before 4am, then a slight chance of snow showers. Patchy fog before midnight. Low around 28. Light and variable wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Snow showers likely, mainly after 1pm. Partly sunny, with a high near 34. West wind 7 to 11 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 30.
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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:
9:44 pm EST Jan 9, 2026
Forecast Valid:
9pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation