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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

53°F

12°C

Humidity 89%
Wind Speed S 10 G 17 mph
Barometer 29.48 in (998.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 16 Mar 10:54 am EDT
Extended Forecast for

Johnstown PA

Winter Weather Advisory March 16, 05:00pm until March 17, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Showers likely, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 66. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Snow showers, mainly before 10pm. The snow could be heavy at times. Low around 19. West wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Heavy Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 28. West wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Calm wind becoming south around 5 mph in the afternoon.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 66. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Snow showers, mainly before 10pm. The snow could be heavy at times. Low around 19. West wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 28. West wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 16. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 37. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A slight chance of snow showers before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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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:
8:06 am EDT Mar 16, 2026
Forecast Valid:
10am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
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