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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

31°F

-1°C

Humidity 76%
Wind Speed W 18 G 38 mph
Barometer 29.94 in (1016.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 22 Jan 7:54 am EST
Extended Forecast for

Summerhill PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Winter Weather Advisory January 22, 08:43am until January 22, 10:00am
Click here for hazard details and duration
Winter Storm Watch
...
  •  
    Winter Weather Advisory January 22, 08:43am until January 22, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Today

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 17. West wind around 10 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 23. Wind chill values as low as -5. West wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 5 to 13 mph, with gusts as high as 28 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 12. Light and variable wind.

    High: 12 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 7. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 7 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. High near 19. Chance of precipitation is 90%.

    High: 19 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.

    Low: 12 °F

    Snow Likely

Detailed Forecast

Today
Mostly sunny, with a high near 33. Breezy, with a west wind 17 to 21 mph, with gusts as high as 41 mph.
Tonight
Mostly clear, with a low around 17. West wind around 10 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 23. Wind chill values as low as -5. West wind 14 to 17 mph, with gusts as high as 32 mph.
Friday Night
Partly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 5 to 13 mph, with gusts as high as 28 mph.
Saturday
Mostly cloudy, with a high near 12. Light and variable wind.
Saturday Night
Snow. The snow could be heavy at times. Low around 7. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. High near 19. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 23. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerhill PA
 40.37°N 78.77°W (Elev. 1542 ft)
Last Update:
7:06 am EST Jan 22, 2026
Forecast Valid:
8am EST Jan 22, 2026-6pm EST Jan 28, 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