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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

86°F

30°C

Humidity 55%
Wind Speed NW 12 G 16 mph
Barometer 30.28 in (1023.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 23 Jun 1:54 pm EDT
Extended Forecast for

2 Miles WSW Vintondale PA

Heat Advisory June 23, 02:57pm until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 02:57pm until June 25, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Calm wind becoming west around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 92. West wind around 6 mph.
Tonight
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny and hot, with a high near 92. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Vintondale PA
 40.48°N 78.96°W (Elev. 1680 ft)
Last Update:
1:04 pm EDT Jun 23, 2025
Forecast Valid:
2pm EDT Jun 23, 2025-6pm EDT Jun 29, 2025
 
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