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.

Partly Cloudy

67°F

19°C

Humidity 84%
Wind Speed S 15 G 26 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 11 Mar 12:53 pm EDT
Extended Forecast for

4 Miles NNE Williamsburg PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 75. Southwest wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could be severe. Low around 35. Southwest wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind around 16 mph, with gusts as high as 37 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain after 11am. Mostly cloudy, with a high near 55. South wind 6 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 75. Southwest wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could be severe. Low around 35. Southwest wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 42. Northwest wind around 16 mph, with gusts as high as 37 mph.
Thursday Night
Mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.
Friday
A slight chance of rain after 11am. Mostly cloudy, with a high near 55. South wind 6 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Showers, mainly after 2am. Low around 41. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 52. Chance of precipitation is 80%.
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 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Williamsburg PA
 40.51°N 78.17°W (Elev. 804 ft)
Last Update:
12:41 pm EDT Mar 11, 2026
Forecast Valid:
12pm EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation