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.

Mostly Cloudy

69°F

21°C

Humidity 78%
Wind Speed SW 8 mph
Barometer 29.71 in (1005.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 11 Mar 3:53 pm EDT
Extended Forecast for

5 Miles SW Williamsburg PA

Flood Watch until March 11, 10:00pm
Tornado Watch March 11, 04:35pm until March 11, 08:00pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Flood Watch until March 11, 10:00pm
    Tornado Watch March 11, 04:35pm until March 11, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 75 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely. Some of the storms could be severe. Low around 33. Southwest wind 9 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 33 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Cloudy, then gradual clearing during the afternoon, with a high near 41. Northwest wind around 18 mph, with gusts as high as 39 mph.

    High: 41 °F

    Clearing Late

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 54. South wind 7 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could be severe. High near 75. Southwest wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then showers likely. Some of the storms could be severe. Low around 33. Southwest wind 9 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Cloudy, then gradual clearing during the afternoon, with a high near 41. Northwest wind around 18 mph, with gusts as high as 39 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 54. South wind 7 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 47.
Saturday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 8am. Cloudy, with a high near 55. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 42. Chance of precipitation is 70%.
Monday
Rain and snow showers likely. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Williamsburg PA
 40.41°N 78.27°W (Elev. 1122 ft)
Last Update:
4:26 pm EDT Mar 11, 2026
Forecast Valid:
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 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