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

Fire Weather Concerns in the Southern Plains and Southeast; Pacific System to Bring Unsettled Weather to the West Coast

Gusty winds and dry conditions will continue to bring elevated to critical fire weather conditions to the southern Plains and Southeast early this week. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to northern and central California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Mostly Cloudy

40°F

4°C

Humidity 60%
Wind Speed N 7 mph
Barometer 30.08 in (1019.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Apr 8:53 pm EDT
Extended Forecast for

Waterfall PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of rain showers before 3am, then a chance of rain and snow showers. Increasing clouds, with a low around 34. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 48. Northwest wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 48 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. Light northwest wind.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Calm wind becoming south around 6 mph in the afternoon.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Partly cloudy, with a low around 43. Calm wind. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain showers before 3am, then a chance of rain and snow showers. Increasing clouds, with a low around 34. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 48. Northwest wind 7 to 9 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 26. Light northwest wind.
Tuesday
Sunny, with a high near 62. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Partly cloudy, with a low around 43. Calm wind. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterfall PA
 40.13°N 78.06°W (Elev. 942 ft)
Last Update:
8:06 pm EDT Apr 19, 2026
Forecast Valid:
9pm EDT Apr 19, 2026-6pm EDT Apr 26, 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