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 and Breezy

80°F

27°C

Humidity 26%
Wind Speed SW 22 G 32 mph
Barometer 29.61 in (1002.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Mar 3:53 pm EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

Severe T-storm Watch until March 22, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until March 22, 10:00pm

    NOW until 10:00pm Sun

    Severe T-storm Watch

  • This Afternoon

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall. Low around 41. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: A slight chance of rain showers before 5pm, then a slight chance of rain and snow showers. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind.

    High: 51 °F

    Sunny

  • Tuesday Night

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

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall. Low around 41. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A slight chance of rain showers before 5pm, then a slight chance of rain and snow showers. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 51. Calm wind.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 54.
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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:
3:51 pm EDT Mar 22, 2026
Forecast Valid:
4pm EDT Mar 22, 2026-6pm EDT Mar 29, 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