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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Light Rain Fog/Mist

38°F

3°C

Humidity 93%
Wind Speed NE 7 mph
Barometer 29.91 in (1013.9 mb)
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Wind Chill33°F (1°C)
Last update 19 Feb 4:53 pm EST
Extended Forecast for

Waterfall PA

Flood Watch until February 20, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until February 20, 01:00pm

    NOW until 1:00pm Fri

    Flood Watch

  • This Afternoon

    High: 46 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain. Areas of fog before 1am, then areas of fog after 2am. Low around 38. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain and
    Areas Fog

  • Friday

    Friday: Rain likely, mainly before 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely
    and Patchy
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. West wind 6 to 10 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. West wind 3 to 7 mph. Winds could gust as high as 21 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely before 1pm, then snow. High near 40. Chance of precipitation is 80%.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Rain. Patchy fog. High near 46. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Areas of fog before 1am, then areas of fog after 2am. Low around 38. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 34. West wind 6 to 10 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 51. West wind 3 to 7 mph. Winds could gust as high as 21 mph.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain and snow likely before 1pm, then snow. High near 40. Chance of precipitation is 80%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 46.
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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:
3:05 pm EST Feb 19, 2026
Forecast Valid:
5pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
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