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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

42°F

6°C

Humidity 33%
Wind Speed S 5 mph
Barometer 30.46 in (1033.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 8 Apr 9:53 pm EDT
Extended Forecast for

3 Miles W Williamsburg PA

  • Tonight

    Tonight: Widespread frost after 5am. Otherwise, mostly clear, with a low around 32. South wind around 6 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 64. South wind 3 to 8 mph.

    High: 64 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 45. West wind around 6 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread frost after 5am. Otherwise, mostly clear, with a low around 32. South wind around 6 mph.
Thursday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 64. South wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 41. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 45. West wind around 6 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly cloudy, with a high near 80.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
9:59 pm EDT Apr 8, 2026
Forecast Valid:
10pm EDT Apr 8, 2026-6pm EDT Apr 15, 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