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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

41°F

5°C

Humidity 93%
Wind Speed S 10 mph
Barometer 29.52 in (1000.5 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill35°F (2°C)
Last update 20 Feb 12:53 pm EST
Extended Forecast for

4 Miles N Williamsburg PA

Wind Advisory until February 21, 12:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until February 21, 12:00am

    NOW until 12:00am Sat

    Wind Advisory

  • This Afternoon

    High: 55 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 39 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 45. West wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow before 10am, then snow, possibly mixed with rain. High near 38. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Low around 28. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 55. South wind 9 to 16 mph becoming west. Winds could gust as high as 28 mph.
Tonight
Partly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 39 mph.
Saturday
Partly sunny, with a high near 45. West wind 6 to 11 mph, with gusts as high as 25 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%.
Sunday
Snow before 10am, then snow, possibly mixed with rain. High near 38. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow, mainly before 1am. Low around 28. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 44. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsburg PA
 40.52°N 78.2°W (Elev. 997 ft)
Last Update:
1:06 pm EST Feb 20, 2026
Forecast Valid:
1pm EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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