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

Increased Risks for Severe Thunderstorms and Excessive Rainfall in the South-central U.S. Today

An Enhanced Risk (Level 3 of 5) for severe thunderstorms is forecast today in the lower Missouri River Valley. Very large hail, damaging wind gusts, and a couple strong tornadoes are possible. A Slight Risk (Level 2 of 5) for excessive rainfall is forecast today from northeast Texas into central Missouri. Flash, urban, and river flooding may become possible. Read More >

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

A Few Clouds

67°F

19°C

Humidity 45%
Wind Speed E 12 G 20 mph
Barometer 30.23 in (1024.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 Apr 3:53 pm EDT
Extended Forecast for

Castle Shannon PA

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 69. Southeast wind around 10 mph, with gusts as high as 21 mph.

    Sunny

    High: 69 °F

  • Tonight

    Tonight: Showers likely, mainly after 5am. Increasing clouds, with a low around 50. Southeast wind 11 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Partly Cloudy
    then Showers
    Likely

    Low: 50 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 71. Southeast wind 11 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    Showers

    High: 71 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 59. South wind 11 to 13 mph.

    Mostly Cloudy

    Low: 59 °F

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 81. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 81 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Monday

    Monday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

    Partly Cloudy
    then Chance
    Showers

    Low: 61 °F

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    Showers
    Likely

    High: 75 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southeast wind around 10 mph, with gusts as high as 21 mph.
Tonight
Showers likely, mainly after 5am. Increasing clouds, with a low around 50. Southeast wind 11 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 71. Southeast wind 11 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 59. South wind 11 to 13 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 81. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 83.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Castle Shannon PA
 40.35°N 80.03°W (Elev. 1198 ft)
Last Update:
4:04 pm EDT Apr 26, 2024
Forecast Valid:
4pm EDT Apr 26, 2024-6pm EDT May 2, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation