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.

Light Snow

11°F

-12°C

Humidity 77%
Wind Speed W 20 G 36 mph
Barometer 29.52 in (1003.2 mb)
Dewpoint 5°F (-15°C)
Visibility 2.00 mi
Wind Chill-8°F (-22°C)
Last update 15 Jan 2:54 pm EST
Extended Forecast for

Cassandra PA

Winter Weather Advisory January 15, 03:23pm until January 15, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 15, 03:23pm until January 15, 05:00pm

    NOW until 5:00pm Thu

    Winter Weather Advisory

  • This Afternoon

    High: 18 °F

    Scattered
    Snow Showers
    and Breezy

  • Tonight

    Tonight: Isolated snow showers before 8pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. West wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow after 10am. Increasing clouds, with a high near 30. Wind chill values as low as zero. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow after 7pm. Mostly cloudy, with a low around 26. South wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Snow showers. High near 36. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Showers

  • Saturday Night

    Saturday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered snow showers. Mostly cloudy, with a high near 18. Wind chill values as low as zero. Breezy, with a west wind around 20 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Isolated snow showers before 8pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. West wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Friday
A slight chance of snow after 10am. Increasing clouds, with a high near 30. Wind chill values as low as zero. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Friday Night
A chance of snow after 7pm. Mostly cloudy, with a low around 26. South wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers. High near 36. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 13.
M.L.King Day
Partly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Partly sunny and cold, with a high near 10.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.65°W (Elev. 1699 ft)
Last Update:
1:01 pm EST Jan 15, 2026
Forecast Valid:
3pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation