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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Partly Cloudy

82°F

28°C

Humidity 67%
Wind Speed W 10 mph
Barometer 30.21 in (1020.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 2 Jul 10:54 am EDT
Extended Forecast for

New Florence PA

Heat Advisory July 2, 11:13am until July 3, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 2, 11:13am until July 3, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Today

    High: 93 °F

    Hot

  • Tonight

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

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 93 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • 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 7 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: 93 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 93. Heat index values as high as 101. West wind 3 to 6 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 93. Heat index values as high as 100. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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 7 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.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 70. 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 between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 90. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm. Low around 66. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Florence PA
 40.4°N 79.06°W (Elev. 1237 ft)
Last Update:
7:06 am EDT Jul 2, 2026
Forecast Valid:
11am 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