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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

52°F

11°C

Humidity 80%
Wind Speed NW 3 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 8 Oct 6:53 am EDT
Extended Forecast for

Waterfall PA

  • Today

    Today: Sunny, with a high near 71. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Light west wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 47. Light west wind.
Friday
Sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49. Calm wind.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 8am. High near 64. Chance of precipitation is 90%.
Sunday Night
Showers, mainly before 2am. Low around 58. Chance of precipitation is 80%.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterfall PA
 40.13°N 78.06°W (Elev. 942 ft)
Last Update:
6:16 am EDT Oct 8, 2026
Forecast Valid:
7am EDT Oct 8, 2026-6pm EDT Oct 14, 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