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

34°F

1°C

Humidity 81%
Wind Speed SW 12 G 18 mph
Barometer 29.90 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 17 Jan 12:55 pm EST
Extended Forecast for

6 Miles N Emporium PA

Winter Weather Advisory January 17, 01:05pm until January 17, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 01:05pm until January 17, 07:00pm

    NOW until 7:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 34 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A slight chance of snow showers before 10pm. Mostly cloudy, with a low around 15. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 21. West wind around 7 mph.

    High: 21 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. West wind 3 to 6 mph.

    Low: 13 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 21. Southwest wind 8 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 21 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 20%.

    Low: 2 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Partly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of snow showers after 2pm. Mostly cloudy, with a high near 34. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A slight chance of snow showers before 10pm. Mostly cloudy, with a low around 15. Southwest wind around 6 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 21. West wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 13. West wind 3 to 6 mph.
M.L.King Day
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 21. Southwest wind 8 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 20%.
Tuesday
Partly sunny and cold, with a high near 10.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 24.
Basemap Options
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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:
12:56 pm EST Jan 17, 2026
Forecast Valid:
1pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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