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

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

26°F

-3°C

Humidity 63%
Wind Speed NE 5 mph
Barometer 30.11 in (1021.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 26 Dec 7:53 am EST
Extended Forecast for

4 Miles WNW Williamsburg PA

Winter Weather Advisory December 26, 12:00pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A slight chance of freezing rain before noon, then freezing rain and sleet. The sleet could be heavy at times. High near 30. Southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime ice accumulation of less than a 0.1 of an inch possible. Total daytime sleet accumulation of less than a half inch possible.

    High: 30 °F

    Slight Chance
    Freezing Rain
    then Wintry
    Mix

  • Tonight

    Tonight: Freezing rain and sleet before 9pm, then a chance of freezing rain between 9pm and 10pm. The sleet could be heavy at times. Low around 28. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

    Low: 28 °F

    Wintry Mix
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. Calm wind.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 41. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 38. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Monday

    Monday: Rain showers before 1pm, then a chance of rain and snow showers. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Breezy. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Breezy.

    High: 30 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

Detailed Forecast

Today
A slight chance of freezing rain before noon, then freezing rain and sleet. The sleet could be heavy at times. High near 30. Southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime ice accumulation of less than a 0.1 of an inch possible. Total daytime sleet accumulation of less than a half inch possible.
Tonight
Freezing rain and sleet before 9pm, then a chance of freezing rain between 9pm and 10pm. The sleet could be heavy at times. Low around 28. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 40. Calm wind.
Saturday Night
Mostly cloudy, with a low around 28. Calm wind.
Sunday
Showers, mainly after 1pm. High near 41. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 38. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain showers before 1pm, then a chance of rain and snow showers. High near 55. Chance of precipitation is 80%.
Monday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 21. Breezy. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 30. Breezy.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
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:
7:06 am EST Dec 26, 2025
Forecast Valid:
8am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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