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

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Snow Freezing Fog

29°F

-2°C

Humidity 89%
Wind Speed S 9 mph
Barometer 29.93 in (1015.1 mb)
Dewpoint 26°F (-3°C)
Visibility 0.50 mi
Wind Chill21°F (-6°C)
Last update 2 Dec 4:53 am EST
Extended Forecast for

Williamsburg 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

  • Overnight

    Low: 25 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow, mainly before 10am. The snow could be heavy at times.  High near 37. Calm wind becoming northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Heavy Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Northwest wind 3 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind becoming west around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Calm wind becoming west around 6 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Isolated snow showers before 1pm.  Partly sunny, with a high near 35. Chance of precipitation is 20%.

    High: 35 °F

    Isolated Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 25. Southeast wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 10am. The snow could be heavy at times. High near 37. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Partly cloudy, with a low around 21. Northwest wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 23. Calm wind becoming west around 6 mph after midnight.
Thursday
Isolated snow showers before 1pm. Partly sunny, with a high near 35. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 36.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 ft)
1:57 am EST Dec 2, 2025
5am 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