The Work Week will Begin with Unsettled Weather from the Southern Plains to the Great Lakes

Unsettled weather is forecast to continue through the first half of the work week from the Southern Plains to the Great Lakes as a frontal system moves through. Isolated to scattered severe thunderstorms and flash flooding will be possible each day. Meanwhile, scattered showers and thunderstorms are expected across the Southwest and California, with isolated flash flooding possible. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

64°F

18°C

Humidity 87%
Wind Speed S 6 mph
Barometer 30.14 in (1019.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 22 Sep 2:53 am EDT
Extended Forecast for

Altoona-Blair County Airport PA

  • Overnight

    Overnight: Cloudy, with a low around 56. South wind around 8 mph.

    Low: 56 °F

    Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 78. South wind 7 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Cloudy then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers.  Low around 57. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 8am.  Mostly cloudy, with a high near 74. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am.  Cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm.  High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Overnight
Cloudy, with a low around 56. South wind around 8 mph.
Monday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. South wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 57. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, mainly after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely, mainly after 2am. Cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona-Blair County Airport PA
 40.31°N 78.32°W (Elev. 1407 ft)
2:36 am EDT Sep 22, 2025
3am EDT Sep 22, 2025-6pm EDT Sep 28, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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