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.

Overcast

27°F

-3°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 29.77 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 16 Jan 4:55 pm EST
Extended Forecast for

Emporium PA

Winter Weather Advisory January 16, 07:00pm until January 18, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 32. South wind around 6 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 26. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly between 7am and 8am. Mostly cloudy, with a high near 39. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 18. Light west wind. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 24. West wind 3 to 7 mph.

    High: 24 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 32. South wind around 6 mph.
Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 26. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow likely, mainly between 7am and 8am. Mostly cloudy, with a high near 39. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 18. Light west wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 24. West wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 14.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
A chance of snow showers. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Friday
A chance of snow showers. Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
2:04 pm EST Jan 16, 2026
Forecast Valid:
4pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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