National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Powerful Storm Over Northeast U.S.; Fire Weather Concerns In Southern California

A powerful low pressure system will linger across the Northeastern U.S. on Tuesday. Gusty winds will be common from the Great Lakes and Ohio Valley to the Eastern Seaboard, while heavy snow will impact areas of northeast Ohio, western Pennsylvania and southwestern New York. Meanwhile, elevated fire weather threats are expected in southern California from gusty offshore winds and dry conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Snow Fog/Mist

-3°C

26°F

Humidity 84%
Wind Speed W 31 G 43 km/h
Barometer 1003.5 mb (29.57 in)
Dewpoint -6°C (22°F)
Visibility 1.21 km
Wind Chill-11°C (12°F)
Last update 1 Dec 10:54 am EST
Extended Forecast for

Davidsville PA

Winter Weather Advisory until December 2, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 07:00am

    NOW until
    7:00am Wed

    Winter Weather Advisory

  • Today

    Today: Snow showers before 1pm, then snow after 1pm. High near -1. Breezy, with a west wind around 35 km/h, with gusts as high as 55 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 centimeters possible.

    Snow Showers
    and Breezy

    High: -1 °C

  • Tonight

    Tonight: Snow showers. Low around -4. West wind 24 to 27 km/h, with gusts as high as 55 km/h. Chance of precipitation is 80%. New snow accumulation of 3 to 5 centimeters possible.

    Snow Showers

    Low: -4 °C

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 1. West wind 24 to 29 km/h, with gusts as high as 48 km/h.

    Decreasing
    Clouds

    High: 1 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around -5. West wind 18 to 24 km/h, with gusts as high as 35 km/h.

    Mostly Clear

    Low: -5 °C

  • Thursday

    Thursday: Mostly sunny, with a high near 5. West wind 10 to 14 km/h.

    Mostly Sunny

    High: 5 °C

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around -2.

    Mostly Cloudy

    Low: -2 °C

  • Friday

    Friday: Mostly cloudy, with a high near 6.

    Mostly Cloudy

    High: 6 °C

  • Friday
    Night

    Friday Night: A chance of rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.

    Chance
    Rain/Snow

    Low: 0 °C

Detailed Forecast

Today
Snow showers before 1pm, then snow after 1pm. High near -1. Breezy, with a west wind around 35 km/h, with gusts as high as 55 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 centimeters possible.
Tonight
Snow showers. Low around -4. West wind 24 to 27 km/h, with gusts as high as 55 km/h. Chance of precipitation is 80%. New snow accumulation of 3 to 5 centimeters possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 1. West wind 24 to 29 km/h, with gusts as high as 48 km/h.
Wednesday Night
Mostly clear, with a low around -5. West wind 18 to 24 km/h, with gusts as high as 35 km/h.
Thursday
Mostly sunny, with a high near 5. West wind 10 to 14 km/h.
Thursday Night
Mostly cloudy, with a low around -2.
Friday
Mostly cloudy, with a high near 6.
Friday Night
A chance of rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 0. Chance of precipitation is 30%.
Saturday
A chance of snow before 9am, then a chance of rain and snow between 9am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 5. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around -2. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 3. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around -2. Chance of precipitation is 40%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 2. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Davidsville PA
 40.23°N 78.94°W (Elev. 545 m)
Last Update:
10:45 am EST Dec 1, 2020
Forecast Valid:
11am EST Dec 1, 2020-6pm EST Dec 7, 2020
 
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