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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

17°F

-8°C

Humidity 77%
Wind Speed SW 16 G 25 mph
Barometer 29.79 in (1012.7 mb)
Dewpoint 11°F (-12°C)
Visibility 8.00 mi
Wind Chill2°F (-17°C)
Last update 19 Jan 8:54 am EST
Extended Forecast for

Johnstown PA

Cold Weather Advisory January 19, 09:00pm until January 20, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • M.L.King Day

    M.L.King Day: A chance of snow showers, mainly before 2pm. Mostly cloudy, with a high near 25. West wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 25 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 3. Wind chill values as low as -10. West wind 10 to 14 mph, with gusts as high as 33 mph.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 15. Wind chill values as low as -10. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 15 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7. West wind around 5 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow showers after 1pm. Partly sunny, with a high near 36. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 1pm. Partly sunny, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
A chance of snow showers, mainly before 2pm. Mostly cloudy, with a high near 25. West wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 3. Wind chill values as low as -10. West wind 10 to 14 mph, with gusts as high as 33 mph.
Tuesday
Sunny, with a high near 15. Wind chill values as low as -10. West wind 10 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 7. West wind around 5 mph becoming calm in the evening.
Wednesday
A chance of snow showers after 1pm. Partly sunny, with a high near 36. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Thursday
A chance of rain and snow showers before 1pm. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly cloudy, with a high near 24.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Mostly cloudy, with a high near 11.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 15. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
7:06 am EST Jan 19, 2026
Forecast Valid:
9am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation