Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

69°F

21°C

Humidity 93%
Wind Speed E 5 mph
Barometer 30.10 in (1018.1 mb)
Dewpoint 67°F (19°C)
Visibility 1.50 mi
Last update 14 Aug 6:53 am EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Today

    Today: A chance of showers and thunderstorms, mainly after 4pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 87. Calm wind becoming east 5 to 7 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Patchy Fog
    then Chance
    T-storms

    High: 87 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Mostly cloudy, with a low around 66. East wind 3 to 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 66 °F

  • Saturday

    Saturday: A chance of showers, mainly after 4pm.  Mostly cloudy, with a high near 81. East wind 3 to 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Mostly Cloudy
    then Chance
    Showers

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Showers likely, mainly after 8pm.  Cloudy, with a low around 64. East wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely

    Low: 64 °F

  • Sunday

    Sunday: A chance of showers, mainly before 2pm.  Mostly cloudy, with a high near 77. East wind around 6 mph.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Chance
    Showers

    High: 77 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 62 °F

  • Monday

    Monday: Partly sunny, with a high near 84.

    Partly Sunny

    High: 84 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 87. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 66. East wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 81. East wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 64. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 77. East wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Partly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
7:01 am EDT Aug 14, 2020
7am EDT Aug 14, 2020-6pm EDT Aug 20, 2020
 
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Additional Resources

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