National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Unknown Precip and Breezy

23°F

-5°C

Humidity 81%
Wind Speed W 23 G 44 mph
Barometer 29.51 in (1000.4 mb)
Dewpoint 18°F (-8°C)
Visibility 6.00 mi
Wind Chill7°F (-14°C)
Last update 16 Mar 11:54 pm EDT
Extended Forecast for

2 Miles SSW Twin Rocks PA

Winter Weather Advisory March 17, 12:54am until March 17, 05:00pm
Wind Advisory March 17, 12:54am until March 17, 08:00am
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
  •  
    Winter Weather Advisory March 17, 12:54am until March 17, 05:00pm
    Wind Advisory March 17, 12:54am until March 17, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 18 °F

    Slight Chance
    Snow and
    Breezy

  • Tuesday

    Tuesday: A slight chance of snow showers. Mostly cloudy, with a high near 27. West wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 27 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. West wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. South wind 5 to 7 mph.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain before 8am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A slight chance of snow before 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 18. Breezy, with a west wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow showers. Mostly cloudy, with a high near 27. West wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 16. West wind 6 to 10 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 35. South wind 5 to 7 mph.
Wednesday Night
A slight chance of snow before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. South wind around 6 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain before 8am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Twin Rocks PA
 40.49°N 78.87°W (Elev. 1598 ft)
Last Update:
10:11 pm EDT Mar 16, 2026
Forecast Valid:
12am EDT Mar 17, 2026-6pm EDT Mar 23, 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