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

Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

59°F

15°C

Humidity 87%
Wind Speed SW 9 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Apr 4:54 pm EDT
Extended Forecast for

Cassandra PA

  • This
    Afternoon

    This Afternoon: Showers. High near 60. Southwest wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Showers

    High: 60 °F

  • Tonight

    Tonight: A chance of showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers then
    Partly Cloudy

    Low: 40 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Breezy, with a west wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

    Sunny then
    Partly Sunny
    and Breezy

    High: 53 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 32. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Mostly Clear

    Low: 32 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 51. West wind 6 to 13 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 51 °F

  • Sunday
    Night

    Sunday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.

    Mostly Clear
    then Areas
    Frost

    Low: 34 °F

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 56.

    Areas Frost
    then Sunny

    High: 56 °F

  • Monday
    Night

    Monday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 36.

    Mostly Clear
    then Areas
    Frost

    Low: 36 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    Mostly Sunny

    High: 63 °F

Detailed Forecast

This Afternoon
Showers. High near 60. Southwest wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 53. Breezy, with a west wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Saturday Night
Mostly clear, with a low around 32. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 51. West wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 56.
Monday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday
Showers likely. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly clear, with a low around 31. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 55.
Thursday Night
Widespread frost. Otherwise, mostly clear, with a low around 33.
Friday
Areas of frost. Otherwise, sunny, with a high near 61.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Cassandra PA
 40.4°N 78.65°W (Elev. 1699 ft)
Last Update:
5:47 pm EDT Apr 19, 2024
Forecast Valid:
5pm EDT Apr 19, 2024-6pm EDT Apr 26, 2024
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation