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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

66°F

19°C

Humidity 84%
Wind Speed SE 6 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 4:53 am EDT
Extended Forecast for

Belle Vernon PA

  • Today

    Today: Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning.

    Mostly Sunny

    High: 87 °F

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm.  Mostly cloudy, with a low around 69. South wind 3 to 5 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 69 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 4pm.  Increasing clouds, with a high near 85. Southwest wind 7 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    T-storms
    Likely

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms before midnight, then a chance of showers.  Low around 64. West wind 6 to 14 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    T-storms then
    Chance
    Showers

    Low: 64 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Northwest wind 6 to 8 mph.

    Partly Sunny

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 55.

    Mostly Clear

    Low: 55 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    Mostly Sunny

    High: 74 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

  • Friday

    Friday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

Detailed Forecast

Today
Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning.
Tonight
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 69. South wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 85. Southwest wind 7 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms before midnight, then a chance of showers. Low around 64. West wind 6 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 76. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Belle Vernon PA
 40.14°N 79.85°W (Elev. 899 ft)
3:03 am EDT Aug 21, 2017
5am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
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