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.

Fair

45°F

7°C

Humidity 57%
Wind Speed SE 3 mph
Barometer 30.17 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 24 Nov 9:35 pm EST
Extended Forecast for

4 Miles WNW Emporium PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Periods of rain, mainly after 11am. High near 50. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 42. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 59. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 27. West wind 11 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thanksgiving Day

    Thanksgiving Day: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 34. 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

  • Thursday Night

    Thursday Night: Snow showers likely before 1am, then snow after 1am. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Snow

  • Friday

    Friday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.

    High: 34 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
Periods of rain, mainly after 11am. High near 50. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers. Low around 42. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 59. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 27. West wind 11 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thanksgiving Day
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow showers likely before 1am, then snow after 1am. Low around 24. Chance of precipitation is 80%.
Friday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 35.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Emporium PA
 41.54°N 78.29°W (Elev. 1175 ft)
Last Update:
7:06 pm EST Nov 24, 2025
Forecast Valid:
9pm EST Nov 24, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation