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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

28°F

-2°C

Humidity 72%
Wind Speed NW 13 G 28 mph
Barometer 29.82 in (1011.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 22 Feb 11:53 pm EST
Extended Forecast for

4 Miles W Williamsburg PA

Winter Weather Advisory February 23, 12:13am until February 23, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 23, 12:13am until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • Overnight

    Low: 30 °F

    Snow

  • Monday

    Monday: A chance of snow, mainly before 10am. Patchy blowing snow before noon. Mostly cloudy, with a high near 38. Northwest wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow
    and Patchy
    Blowing Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Northwest wind around 14 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. West wind 6 to 11 mph, with gusts as high as 26 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers before 4am, then snow showers, possibly mixed with rain. Low around 25. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow Showers
    Likely then
    Rain/Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 1pm. Partly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 1am. Partly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Thursday

    Thursday: Rain and snow showers likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Snow, mainly before 4am. Low around 30. Northwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow, mainly before 10am. Patchy blowing snow before noon. Mostly cloudy, with a high near 38. Northwest wind 13 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 17. Northwest wind around 14 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 32. West wind 6 to 11 mph, with gusts as high as 26 mph.
Tuesday Night
Snow showers before 4am, then snow showers, possibly mixed with rain. Low around 25. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A slight chance of rain and snow showers before 1pm. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Wednesday Night
A chance of snow showers after 1am. Partly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
Rain and snow showers likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 46.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
Last Update:
7:06 pm EST Feb 22, 2026
Forecast Valid:
12am EST Feb 23, 2026-6pm EST Mar 1, 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