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.

Overcast

28°F

-2°C

Humidity 58%
Wind Speed S 13 G 22 mph
Barometer 29.78 in (1012.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 9 Dec 5:54 pm EST
Extended Forecast for

4 Miles SSE Carrolltown PA

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

  • Tonight

    Tonight: A chance of snow, mainly after 4am. Mostly cloudy, with a low around 26. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 4pm. High near 37. Southwest wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers, mainly between 7pm and 1am. Low around 19. West wind around 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers

  • Thursday

    Thursday: A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 24. West wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 19. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 26. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 4pm. High near 37. Southwest wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers, mainly between 7pm and 1am. Low around 19. West wind around 18 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 24. West wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 19. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 40%.
Friday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 16. Chance of precipitation is 60%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 23. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly cloudy, with a high near 22.
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 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Carrolltown PA
 40.54°N 78.69°W (Elev. 1952 ft)
Last Update:
2:21 pm EST Dec 9, 2025
Forecast Valid:
6pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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