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

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Mostly Cloudy

34°F

1°C

Humidity 59%
Wind Speed SW 13 G 28 mph
Barometer 29.71 in (1008.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 9 Dec 11:54 pm EST
Extended Forecast for

4 Miles WNW Gray PA

Winter Weather Advisory December 10, 10:00am until December 11, 10:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A slight chance of snow before 4am, then a slight chance of rain and snow between 4am and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 29. Southwest wind 13 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 1pm. High near 38. Southwest wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Rain/Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. Low around 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow and
    Breezy

  • Thursday

    Thursday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 22. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 18. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 29. Chance of precipitation is 40%.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely. Cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely

Detailed Forecast

Overnight
A slight chance of snow before 4am, then a slight chance of rain and snow between 4am and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 29. Southwest wind 13 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 1pm. High near 38. Southwest wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, mainly before 1am. Low around 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 22. West wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 18. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Friday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Saturday
A chance of snow. Cloudy, with a high near 29. Chance of precipitation is 40%.
Saturday Night
Snow likely. Cloudy, with a low around 16. Chance of precipitation is 60%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly cloudy, with a high near 21.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Gray PA
 40.23°N 79.12°W (Elev. 2635 ft)
Last Update:
8:59 pm EST Dec 9, 2025
Forecast Valid:
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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