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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

33°F

1°C

Humidity 70%
Wind Speed SW 16 G 31 mph
Barometer 29.80 in (1010.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 21 Feb 12:54 am EST
Extended Forecast for

Johnstown PA

Winter Storm Watch February 22, 01:00am until February 24, 01:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Southwest wind around 11 mph, with gusts as high as 31 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 45. West wind 6 to 11 mph, with gusts as high as 29 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Increasing clouds, with a low around 30. Calm wind. Chance of precipitation is 40%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely before 10am, then snow, possibly mixed with rain between 10am and 4pm, then snow after 4pm. High near 37. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 37 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. Low around 28. Northwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Southwest wind around 11 mph, with gusts as high as 31 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 45. West wind 6 to 11 mph, with gusts as high as 29 mph.
Saturday Night
A chance of snow after 1am. Increasing clouds, with a low around 30. Calm wind. Chance of precipitation is 40%.
Sunday
Snow likely before 10am, then snow, possibly mixed with rain between 10am and 4pm, then snow after 4pm. High near 37. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Sunday Night
Snow. Low around 28. Northwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Wednesday
A chance of snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 47.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.34°N 78.89°W (Elev. 1299 ft)
Last Update:
7:05 pm EST Feb 20, 2026
Forecast Valid:
1am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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