Severe Thunderstorms and Flash Flooding for the Central U.S. through Tuesday; Dangerous East Coast Beach Conditions

Thunderstorms ahead of an approaching cold front will impact much of the Central U.S. through Tuesday. Severe thunderstorms and flash flooding are forecast for portions of the central/southern Plains and the Mississippi, Ohio, and Tennessee Valleys. Meanwhile, dangerous waves and rip currents will impact portions of the East Coast as tropical activity increases in the Atlantic. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed S 7 mph
Barometer 30.01 in (1015.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 22 Sep 5:53 pm EDT
Extended Forecast for

Altoona PA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am.  Mostly cloudy, with a low around 60. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm.  High near 76. South wind 3 to 7 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 60. Light west wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 8am.  Mostly cloudy, with a high near 76. Light and variable wind.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Cloudy, with a low around 60. Light southeast wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm.  High near 75. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 60. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 76. South wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Light west wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers after 8am. Mostly cloudy, with a high near 76. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 60. Light southeast wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 75. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
A chance of showers before 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona PA
 40.51°N 78.4°W (Elev. 1198 ft)
3:26 pm EDT Sep 22, 2025
6pm EDT Sep 22, 2025-6pm EDT Sep 29, 2025
 
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