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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

88°F

31°C

Humidity 52%
Wind Speed W 13 G 22 mph
Barometer 30.18 in (1019.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 2 Jul 3:54 pm EDT
Extended Forecast for

New Florence PA

Heat Advisory July 2, 04:57pm until July 3, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 2, 04:57pm until July 3, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Hot

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming west around 6 mph in the afternoon.

    High: 96 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    Showers

  • Independence Day

    Independence Day: Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 93. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. Heat index values as high as 105. West wind around 7 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. Calm wind.
Friday
Areas of fog before 8am. Otherwise, sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%.
Independence Day
Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 93. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Chance of precipitation is 80%.
Monday
A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Florence PA
 40.4°N 79.06°W (Elev. 1237 ft)
Last Update:
2:51 pm EDT Jul 2, 2026
Forecast Valid:
4pm EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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