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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

62°F

17°C

Humidity 35%
Wind Speed S 13 mph
Barometer 30.33 in (1027.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Apr 4:53 pm EDT
Extended Forecast for

Altoona PA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 5 to 10 mph becoming light after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 75 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 43. West wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind around 6 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. South wind 5 to 10 mph becoming light after midnight.
Friday
Increasing clouds, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 43. West wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 63. Northwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 38. Calm wind.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona PA
 40.51°N 78.4°W (Elev. 1198 ft)
Last Update:
3:21 pm EDT Apr 9, 2026
Forecast Valid:
5pm EDT Apr 9, 2026-6pm EDT Apr 16, 2026
 
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