Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Thunderstorm in Vicinity

68°F

20°C

Humidity 93%
Wind Speed E 9 mph
Barometer 30.18 in (1020.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Sep 11:54 am EDT
Extended Forecast for

Jerome PA

Severe T-storm Watch September 2, 12:18pm until September 2, 02:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch September 2, 12:18pm until September 2, 02:00pm

    NOW until 2:00pm Wed

    Severe T-storm Watch

  • This Afternoon

    High: 85 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 2am, then a slight chance of showers after 2am.  Partly cloudy, with a low around 68. South wind 3 to 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe.  Partly sunny, with a high near 84. Southwest wind 5 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    Showers then
    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Some of the storms could be severe.  Mostly cloudy, with a low around 67. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 80. West wind 5 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am.  Low around 60. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 2pm, then a slight chance of showers after 2pm. Some of the storms could be severe and produce heavy rainfall. High near 85. West wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Partly sunny, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 67. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 80. West wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 60. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Labor Day
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Jerome PA
 40.21°N 78.97°W (Elev. 1883 ft)
11:56 am EDT Sep 2, 2026
12pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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Additional Resources

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