Critical Fire Weather Threats in the West; Storms in the High Plains; Flash Flood Risk in the Mid-Atlantic

Critical fire weather conditions persist across portions of the Northwest, Northern Rockies and Great Basin. Severe thunderstorms with large hail and a few strong gusts are possible across parts of the northern and central Plains. Heavy rainfall brings a flash flooding risk to the Mid-Atlantic. Heat builds in the Southwest into California this week. Read More >

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

77°F

25°C

Humidity 82%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Aug 11:53 pm EDT
Extended Forecast for

Grantley PA

  • Overnight

    Overnight: Isolated showers and thunderstorms before 2am.  Partly cloudy, with a low around 71. South wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 71 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 86. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then T-storms
    Likely

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers.  Mostly cloudy, with a low around 70. Light northeast wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Chance
    Showers

    Low: 70 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 84. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Light east wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 69 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 83 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 68.

    Mostly Cloudy

    Low: 68 °F

  • Saturday

    Saturday: A chance of showers after 2pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 30%.

    Mostly Cloudy
    then Chance
    Showers

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Cloudy

    Low: 65 °F

Detailed Forecast

Overnight
Isolated showers and thunderstorms before 2am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 70. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Grantley PA
 39.93°N 76.73°W (Elev. 673 ft)
11:04 pm EDT Aug 11, 2020
12am EDT Aug 12, 2020-6pm EDT Aug 17, 2020
 
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Additional Resources

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Hourly Weather Forecast

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