National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

73°F

23°C

Humidity 90%
Wind Speed S 3 mph
Barometer 30.19 in (1020.8 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 25 Jun 6:53 am EDT
Extended Forecast for

Mill Creek PA

Heat Advisory June 25, 07:53am until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 25, 07:53am until June 25, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 94 °F

    Sunny then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Scattered
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: 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. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 101. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 68. 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

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Today
Isolated showers between 1pm and 2pm, then scattered showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind becoming northwest 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.
Tonight
Scattered showers and thunderstorms, mainly before 9pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
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. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 101. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mill Creek PA
 40.45°N 77.92°W (Elev. 778 ft)
Last Update:
7:34 am EDT Jun 25, 2025
Forecast Valid:
7am EDT Jun 25, 2025-6pm EDT Jul 1, 2025
 
Forecast Discussion
 
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Additional Resources

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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