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

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Partly Cloudy

79°F

26°C

Humidity 90%
Wind Speed S 6 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 11 Aug 11:54 pm EDT
Extended Forecast for

Mount Royal NJ

Flash Flood Watch August 12, 11:00am until August 12, 11:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 74. South wind around 5 mph.

    Patchy Fog

    Low: 74 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Some of the storms could produce heavy rain.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 90. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Chance
    Showers

    Low: 73 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 86 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. East wind around 5 mph.  Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 8am.  Mostly cloudy, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 84 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 70 °F

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 83. Chance of precipitation is 40%.

    Chance
    Showers

    High: 83 °F

  • Saturday
    Night

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

    Mostly Cloudy

    Low: 68 °F

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. South wind around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Some of the storms could produce heavy rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Mount Royal NJ
 39.83°N 75.21°W (Elev. 16 ft)
10:19 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

National Digital Forecast Database