Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

70°F

21°C

Humidity 93%
Wind Speed S 9 mph
Barometer 30.12 in (1018.5 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 10 Aug 8:54 am EDT
Extended Forecast for

Southmont PA

Severe T-storm Watch until August 10, 03:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 10, 03:00pm

    NOW until 3:00pm Mon

    Severe T-storm Watch

  • Today

    High: 82 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall.  Mostly cloudy, with a low around 66. Southwest wind around 6 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 80. West wind 5 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 63. Light west wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Heavy Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm.  Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers.  Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 82. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 66. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. West wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Light west wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Southmont PA
 40.32°N 78.93°W (Elev. 1670 ft)
9:31 am EDT Aug 10, 2026
9am EDT Aug 10, 2026-6pm EDT Aug 16, 2026
 
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Additional Resources

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