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.

Snow Freezing Fog and Breezy

22°F

-6°C

Humidity 92%
Wind Speed W 21 G 40 mph
Barometer 29.99 in (1018.4 mb)
Dewpoint 20°F (-7°C)
Visibility 0.50 mi
Wind Chill7°F (-14°C)
Last update 11 Jan 4:54 pm EST
Extended Forecast for

Cassandra PA

Wind Advisory January 11, 05:11pm until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 11, 05:11pm until January 12, 01:00am

    NOW until 1:00am Mon

    Wind Advisory

  • This Afternoon

    High: 31 °F

    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Snow showers likely, mainly before 7pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 17 to 24 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Breezy. Snow
    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 33. West wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 33 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 1pm, then rain after 1pm. High near 39. Chance of precipitation is 80%.

    High: 39 °F

    Chance
    Showers then
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 1am. Low around 23. Chance of precipitation is 80%.

    Low: 23 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Snow showers likely. Mostly cloudy, with a high near 31. Breezy, with a west wind around 22 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow showers likely, mainly before 7pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 17 to 24 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 33. West wind 14 to 16 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 27. West wind 11 to 14 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 41. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Wednesday
A chance of showers before 1pm, then rain after 1pm. High near 39. Chance of precipitation is 80%.
Wednesday Night
Rain and snow, becoming all snow after 1am. Low around 23. Chance of precipitation is 80%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 24.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.62°W (Elev. 2211 ft)
Last Update:
3:41 pm EST Jan 11, 2026
Forecast Valid:
5pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation