Snow across the North; Blizzard Conditions for Alaska and Big Island of Hawaii

Winter storms will impact the northern tier of the country, the State of Alaska and the higher summit of the Big Island in Hawaii this weekend with snow, wind and difficult traveling conditions. Later this weekend, the threat of thunderstorms return from eastern Texas to the lower Ohio and Tennessee Valley's. Meanwhile, dry weather for the southern High Plains for areas of critical fire weather. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

6°C

42°F

Humidity 58%
Wind Speed W 19 G 30 km/h
Barometer 1019.5 mb (30.06 in)
Dewpoint -2°C (28°F)
Visibility 16 km
Wind Chill2°C (35°F)
Last update 4 Dec 11:54 am EST
Extended Forecast for

Johnstown PA

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 8. West wind 11 to 14 km/h.

    Sunny

    High: 8 °C

  • Tonight

    Tonight: Partly cloudy, with a low around -3. West wind 5 to 8 km/h becoming calm  in the evening.

    Partly Cloudy

    Low: -3 °C

  • Sunday

    Sunday: Partly sunny, with a high near 7. Light and variable wind becoming southeast 18 to 23 km/h in the morning. Winds could gust as high as 39 km/h.

    Partly Sunny

    High: 7 °C

  • Sunday
    Night

    Sunday Night: A chance of rain, mainly after 2am.  Mostly cloudy, with a low around 4. South wind 16 to 21 km/h, with gusts as high as 37 km/h.  Chance of precipitation is 40%. New precipitation amounts between 1 and 2.5 mm possible.

    Chance Rain

    Low: 4 °C

  • Monday

    Monday: Rain, mainly before 1pm, then showers likely after 1pm.  High near 12. South wind 14 to 19 km/h becoming southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 55 km/h.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.

    Rain

    High: 12 °C

  • Monday
    Night

    Monday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 1am.  Mostly cloudy, with a low around -5. Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

    Low: -5 °C

  • Tuesday

    Tuesday: Partly sunny, with a high near 1.

    Partly Sunny

    High: 1 °C

  • Tuesday
    Night

    Tuesday Night: Snow likely after 1am.  Mostly cloudy, with a low around -4. Chance of precipitation is 60%.

    Mostly Cloudy
    then Snow
    Likely

    Low: -4 °C

  • Wednesday

    Wednesday: Snow likely.  Mostly cloudy, with a high near 2. Chance of precipitation is 70%.

    Snow Likely

    High: 2 °C

Detailed Forecast

This Afternoon
Sunny, with a high near 8. West wind 11 to 14 km/h.
Tonight
Partly cloudy, with a low around -3. West wind 5 to 8 km/h becoming calm in the evening.
Sunday
Partly sunny, with a high near 7. Light and variable wind becoming southeast 18 to 23 km/h in the morning. Winds could gust as high as 39 km/h.
Sunday Night
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 4. South wind 16 to 21 km/h, with gusts as high as 37 km/h. Chance of precipitation is 40%. New precipitation amounts between 1 and 2.5 mm possible.
Monday
Rain, mainly before 1pm, then showers likely after 1pm. High near 12. South wind 14 to 19 km/h becoming southwest 22 to 27 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.
Monday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 1am. Mostly cloudy, with a low around -5. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 1.
Tuesday Night
Snow likely after 1am. Mostly cloudy, with a low around -4. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 2. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around -4.
Thursday
Partly sunny, with a high near 3.
Thursday Night
A chance of rain, snow, and sleet. Mostly cloudy, with a low around -2. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 7.
Click Map For Forecast
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 509 m)
11:15 am EST Dec 4, 2021
12pm EST Dec 4, 2021-6pm EST Dec 10, 2021
 
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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