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.

Mostly Cloudy

37°F

3°C

Humidity 70%
Wind Speed NW 6 mph
Barometer 30.29 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Dec 11:55 am EST
Extended Forecast for

6 Miles N Emporium PA

Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 37. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 37 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 40. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17. North wind around 6 mph becoming calm in the evening.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow before 1pm, then snow and freezing rain. High near 26. Light east wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Chance Snow
    then Wintry
    Mix

  • Friday Night

    Friday Night: Freezing rain, possibly mixed with snow, becoming all freezing rain after 10pm. Low around 22. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Wintry Mix
    then Freezing
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain or freezing rain after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Cloudy then
    Chance
    Rain/Freezing
    Rain

  • Sunday

    Sunday: Rain. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 37. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Tonight
A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Christmas Day
Partly sunny, with a high near 40. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 17. North wind around 6 mph becoming calm in the evening.
Friday
A chance of snow before 1pm, then snow and freezing rain. High near 26. Light east wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Freezing rain, possibly mixed with snow, becoming all freezing rain after 10pm. Low around 22. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of rain or freezing rain after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Sunday
Rain. High near 41. Chance of precipitation is 80%.
Sunday Night
Rain and snow, becoming all snow after 1am. Low around 19. Chance of precipitation is 80%.
Monday
Snow showers likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Emporium PA
 41.6°N 78.25°W (Elev. 1841 ft)
Last Update:
7:16 am EST Dec 24, 2025
Forecast Valid:
12pm EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation