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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

47°F

8°C

Humidity 42%
Wind Speed W 5 mph
Barometer 29.96 in (1015.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Feb 3:53 pm EST
Extended Forecast for

4 Miles N Williamsburg PA

Winter Storm Watch February 22, 05:00am until February 23, 01:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A chance of snow showers before 1am, then snow, mainly after 1am. Low around 32. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 32 °F

    Chance Snow
    Showers then
    Snow

  • Sunday

    Sunday: Snow before noon, then rain and snow between noon and 3pm, then snow likely after 3pm. High near 35. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. Low around 29. Northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 36. Northwest wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. Northwest wind 13 to 17 mph, with gusts as high as 36 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow showers before 1pm, then a chance of rain showers. Partly sunny, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of snow showers before 1am, then snow, mainly after 1am. Low around 32. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow before noon, then rain and snow between noon and 3pm, then snow likely after 3pm. High near 35. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Low around 29. Northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 36. Northwest wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 16. Northwest wind 13 to 17 mph, with gusts as high as 36 mph.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 52.
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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:
1:46 pm EST Feb 21, 2026
Forecast Valid:
4pm EST Feb 21, 2026-6pm EST Feb 28, 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