Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

69°F

21°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 30.14 in (1018.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Sep 4:54 am EDT
Extended Forecast for

3 Miles ESE Nanty Glo PA

  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Light southwest wind.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe.  Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 7 mph in the morning.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 4am. Some of the storms could be severe.  Mostly cloudy, with a low around 68. Southwest wind around 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe.  Partly sunny, with a high near 83. West wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Some of the storms could be severe.  Mostly cloudy, with a low around 67. West wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm.  Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 68. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny, with a high near 83. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Some of the storms could be severe. Mostly cloudy, with a low around 67. West wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 54.
Labor Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Nanty Glo PA
 40.44°N 78.79°W (Elev. 1998 ft)
3:41 am EDT Sep 2, 2026
5am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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Additional Resources

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