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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

36°F

2°C

Humidity 64%
Wind Speed Calm
Barometer 30.24 in (1025.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 24 Dec 4:54 pm EST
Extended Forecast for

Johnstown-Cambria County Airport PA

Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A chance of rain after 4am. Cloudy, with a low around 33. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Cloudy then
    Chance Rain

  • Christmas Day

    Christmas Day: A chance of rain before 10am, then patchy drizzle between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain
    then Patchy
    Drizzle

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 23. North wind 5 to 9 mph becoming east after midnight.

    Low: 23 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow, freezing rain, and sleet before 1pm, then freezing rain, possibly mixed with sleet between 1pm and 4pm, then freezing rain after 4pm. High near 32. Southeast wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    High: 32 °F

    Chance Wintry
    Mix then
    Wintry Mix

  • Friday Night

    Friday Night: Freezing rain before 1am, then a chance of rain or freezing rain between 1am and 4am, then a chance of rain after 4am. Low around 28. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Saturday

    Saturday: A slight chance of rain and snow before 1pm. Cloudy, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Cloudy, with a low around 32.

    Low: 32 °F

    Cloudy

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 44. Chance of precipitation is 80%.

    High: 44 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 31. Chance of precipitation is 90%.

    Low: 31 °F

    Showers

Detailed Forecast

Tonight
A chance of rain after 4am. Cloudy, with a low around 33. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A chance of rain before 10am, then patchy drizzle between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Increasing clouds, with a low around 23. North wind 5 to 9 mph becoming east after midnight.
Friday
A chance of snow, freezing rain, and sleet before 1pm, then freezing rain, possibly mixed with sleet between 1pm and 4pm, then freezing rain after 4pm. High near 32. Southeast wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Friday Night
Freezing rain before 1am, then a chance of rain or freezing rain between 1am and 4am, then a chance of rain after 4am. Low around 28. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of rain and snow before 1pm. Cloudy, with a high near 37. Chance of precipitation is 20%.
Saturday Night
Cloudy, with a low around 32.
Sunday
Showers, mainly after 1pm. High near 44. Chance of precipitation is 80%.
Sunday Night
Showers. Low around 31. Chance of precipitation is 90%.
Monday
A chance of rain and snow showers before 1pm, then a chance of snow showers. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 50%.
Monday Night
Cloudy, with a low around 15. Breezy.
Tuesday
Mostly cloudy, with a high near 22. Breezy.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown-Cambria County Airport PA
 40.31°N 78.84°W (Elev. 2221 ft)
Last Update:
4:25 pm EST Dec 24, 2025
Forecast Valid:
5pm EST Dec 24, 2025-6pm EST Dec 31, 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