Heavy Rain and Strong-to-Severe Thunderstorms from the Central Miss. Valley to the Mid-Atlantic

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms from the mid-Mississippi River Valley to the Mid-Atlantic on Thursday. Abundant moisture will allow occasionally heavy rainfall. Flash Flood Watches are in effect in these areas. Severe thunderstorms with damaging wind gusts and large hail will also be possible in this same area. Read More >

Current conditions at

Pittsburgh, Allegheny County Airport (KAGC)

Lat: 40.35°NLon: 79.92°WElev: 1253ft.

A Few Clouds

79°F

26°C

Humidity 50%
Wind Speed Calm
Barometer 29.97 in (1014.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Jul 11:53 pm EDT
Extended Forecast for

Upper St. Clair PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. Calm wind.

    Mostly Cloudy

    Low: 69 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Light southwest wind.  Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    Low: 69 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 81 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 66 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 81. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 67 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 81 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 65 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Upper St. Clair PA
 40.31°N 80.09°W (Elev. 1099 ft)
10:17 pm EDT Jul 27, 2016
12am EDT Jul 28, 2016-6pm EDT Aug 2, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database