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 W 7 mph
Barometer 30.07 in (1017.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Aug 10:54 am EDT
Extended Forecast for

Chest Springs PA

Flood Watch until August 16, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 16, 10:00pm

    NOW until 10:00pm Sun

    Flood Watch

  • Today

    High: 76 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers.  Low around 67. Southwest wind 6 to 8 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind 9 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Northwest wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Northwest wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 76. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 67. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 57. Northwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 75. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chest Springs PA
 40.58°N 78.6°W (Elev. 1896 ft)
10:41 am EDT Aug 16, 2026
11am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database