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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Snow Fog/Mist and Breezy

22°F

-6°C

Humidity 89%
Wind Speed W 21 G 37 mph
Barometer 30.05 in (1020.8 mb)
Dewpoint 19°F (-7°C)
Visibility 1.50 mi
Wind Chill7°F (-14°C)
Last update 11 Jan 6:54 pm EST
Extended Forecast for

Jerome PA

Wind Advisory January 11, 07:17pm until January 12, 01:00am
Winter Weather Advisory January 11, 07:17pm until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory
  •  
    Wind Advisory January 11, 07:17pm until January 12, 01:00am
    Winter Weather Advisory January 11, 07:17pm until January 12, 01:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 23 °F

    Snow Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 35. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 44. Southwest wind 6 to 9 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely before 1pm, then rain after 1pm. High near 41. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Showers
    Likely then
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 1am. Low around 23. Chance of precipitation is 80%.

    Low: 23 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

Detailed Forecast

Tonight
Snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 23. West wind 11 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 35. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 27. West wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 44. Southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Showers likely before 1pm, then rain after 1pm. High near 41. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and snow, becoming all snow after 1am. Low around 23. Chance of precipitation is 80%.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 18.
Saturday
A chance of snow showers. Partly sunny, with a high near 31. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 25. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jerome PA
 40.21°N 78.97°W (Elev. 1883 ft)
Last Update:
7:05 pm EST Jan 11, 2026
Forecast Valid:
7pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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