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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

34°F

1°C

Humidity 73%
Wind Speed SW 3 mph
Barometer 29.89 in (1013.4 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 11 Jan 4:53 am EST
Extended Forecast for

4 Miles WNW Williamsburg PA

Wind Advisory January 11, 10:00am until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Snow showers likely, mainly after 11am. The snow could be heavy at times. Partly sunny, with a high near 38. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Isolated snow showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Breezy, with a west wind 16 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Breezy.
    Isolated Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West wind around 7 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. West wind around 6 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

    Low: 24 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow showers before 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Snow showers likely, mainly after 11am. The snow could be heavy at times. Partly sunny, with a high near 38. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Isolated snow showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Breezy, with a west wind 16 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 40. West wind 8 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 29. West wind around 7 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 46. West wind around 6 mph.
Tuesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Wednesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Thursday
A chance of snow showers before 1pm. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 35. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
Last Update:
1:06 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 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