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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

69°F

21°C

Humidity 81%
Wind Speed Calm
Barometer 30.14 in (1019.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Jun 1:53 am EDT
Extended Forecast for

Hollidaysburg PA

Heat Advisory June 22, 11:00am until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 69. Light southwest wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 94. Heat index values as high as 101. West wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. West wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Heat index values as high as 102. West wind 3 to 7 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Light west wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Tuesday Night

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

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Light southwest wind.
Sunday
Mostly sunny and hot, with a high near 94. Heat index values as high as 101. West wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 73. West wind 3 to 6 mph.
Monday
Sunny and hot, with a high near 96. Heat index values as high as 102. West wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 73. Light west wind.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
Showers likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
Showers likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hollidaysburg PA
 40.42°N 78.39°W (Elev. 1053 ft)
Last Update:
2:22 am EDT Jun 22, 2025
Forecast Valid:
2am EDT Jun 22, 2025-6pm EDT Jun 28, 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