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

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Light Rain

74°F

23°C

Humidity 91%
Wind Speed S 7 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 3 Aug 7:52 pm EDT
Extended Forecast for

Silver Spring MD

Tropical Storm Warning until further notice
Flash Flood Watch August 3, 11:00pm until August 4, 11:00pm
Click here for hazard details and duration
Tropical Storm Warning until further notice
Flash Flood Watch
  •  
    Tropical Storm Warning until further notice

    NOW until further notice

    Tropical Storm Warning

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then showers and possibly a thunderstorm, mainly after 9pm. Some of the storms could produce gusty winds and heavy rain. Low around 71. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 71 °F

  • Tuesday

    Tuesday: Tropical storm conditions possible. Showers and possibly a thunderstorm, mainly before 5pm, then scattered showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. High near 81. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Tropical
    Storm
    Conditions
    Possible

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 69. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.

    Scattered
    Showers then
    Partly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Light north wind. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 69 °F

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 69 °F

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 85. Chance of precipitation is 60%.

    Showers
    Likely

    High: 85 °F

Detailed Forecast

Tonight
Showers and thunderstorms before 9pm, then showers and possibly a thunderstorm, mainly after 9pm. Some of the storms could produce gusty winds and heavy rain. Low around 71. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Tropical storm conditions possible. Showers and possibly a thunderstorm, mainly before 5pm, then scattered showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. High near 81. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Tuesday Night
Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 69. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. West wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Light north wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Silver Spring MD
 39.02°N 77.03°W (Elev. 308 ft)
Last Update:
7:33 pm EDT Aug 3, 2020
Forecast Valid:
8pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation