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Severe weather possible for parts of eastern, north-central and southwestern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon across a large portion of the eastern U.S. from the Mid-Atlantic & Ohio Valley into the Deep South. Severe thunderstorms are also possible across parts of the northern Plains & southern Ariz. Damaging wind gusts & large hail will be the main threats with severe thunderstorms that develop in these areas.
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Current conditions at

Pittsburgh, Allegheny County Airport (KAGC)

Lat: 40.35°NLon: 79.92°WElev: 1253ft.

A Few Clouds

77°F

25°C

Humidity 54%
Wind Speed SW 16 mph
Barometer 29.82 in (1009.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Jun 2:53 pm EDT
Extended Forecast for

Upper St. Clair PA

  • Late
    Afternoon

    Severe Thunderstorms Chance for Measurable Precipitation 70%

    Severe
    Thunderstorms

    High: 76 °F

  • Tonight

    Severe Thunderstorms Chance for Measurable Precipitation 60%

    Severe
    Thunderstorms

    Low: 63 °F

  • Wednesday

    Partly Sunny

    Partly
    Sunny

    High: 78 °F

  • Wednesday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 61 °F

  • Thursday

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    High: 77 °F

  • Thursday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 61 °F

  • Friday

    Mostly Sunny

    Mostly
    Sunny

    High: 79 °F

  • Friday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    Low: 64 °F

  • Independence
    Day

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    High: 79 °F

Detailed Forecast

Late Afternoon
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 76. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 63. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 78. West wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers after 9am. Partly sunny, with a high near 77. Light north wind. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Independence Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Mostly cloudy, with a high near 80.
  Click Map For Forecast
Point Forecast:
Upper St. Clair PA
 40.31°N 80.09°W (Elev. 1099 ft)
3:19 pm EDT Jun 30, 2015
4pm EDT Jun 30, 2015-6pm EDT Jul 7, 2015
 
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