Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

30°F

-1°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 29.87 in
Dewpoint 28°F (-2°C)
Visibility 1.75 mi
Wind Chill25°F (-4°C)
Last update 2 Dec 6:35 am EST
Extended Forecast for

Emporium PA

Winter Weather Advisory until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 01:00pm

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • Today

    High: 36 °F

    Heavy Snow
    then Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Northwest wind 3 to 6 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Calm wind becoming southwest around 6 mph in the morning.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Scattered snow showers after 1am.  Mostly cloudy, with a low around 24. Southwest wind around 6 mph.  Chance of precipitation is 40%.

    Low: 24 °F

    Mostly Cloudy
    then
    Scattered
    Snow Showers

  • Thursday

    Thursday: Scattered snow showers, mainly before 1pm.  Mostly cloudy, with a high near 33. West wind 7 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%.

    High: 33 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 11am. The snow could be heavy at times. High near 36. Southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Mostly cloudy, with a low around 20. Northwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 36. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
Scattered snow showers after 1am. Mostly cloudy, with a low around 24. Southwest wind around 6 mph. Chance of precipitation is 40%.
Thursday
Scattered snow showers, mainly before 1pm. Mostly cloudy, with a high near 33. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Monday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
5:41 am EST Dec 2, 2025
6am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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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