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

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Snow Freezing Fog

26°F

-3°C

Humidity 92%
Wind Speed S 3 mph
Barometer 29.81 in (1012.4 mb)
Dewpoint 24°F (-4°C)
Visibility 0.50 mi
Last update 2 Dec 6:54 am EST
Extended Forecast for

2 Miles NW Loretto 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: 35 °F

    Heavy Snow
    then Slight
    Chance Snow

  • Tonight

    Tonight: Cloudy, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 22 °F

    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. West wind 7 to 10 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Isolated snow showers after 1am.  Partly cloudy, with a low around 22. West wind 7 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 22 °F

    Partly Cloudy
    then Isolated
    Snow Showers

  • Thursday

    Thursday: Scattered snow showers before 1pm.  Mostly cloudy, with a high near 29. Northwest wind 14 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 30%.

    High: 29 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 1pm, then a slight chance of snow showers after 4pm. The snow could be heavy at times. High near 35. South wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Cloudy, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 32. West wind 7 to 10 mph.
Wednesday Night
Isolated snow showers after 1am. Partly cloudy, with a low around 22. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday
Scattered snow showers before 1pm. Mostly cloudy, with a high near 29. Northwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 26.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Loretto PA
 40.54°N 78.66°W (Elev. 1801 ft)
7:05 am EST Dec 2, 2025
7am 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