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.

Partly Cloudy

84°F

29°C

Humidity 49%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 10:52 am EDT
Extended Forecast for

2 Miles NW Washington DC

Tropical Storm Warning until further notice
Flash Flood Watch August 3, 11:00pm until August 4, 11:00pm
Coastal Flood Watch August 4, 06:00am until August 5, 12:00am
Click here for hazard details and duration
Tropical Storm Warning until further notice
Flash Flood Watch
Coastal Flood Watch
  •  
    Tropical Storm Warning until further notice

    NOW until further notice

    Tropical Storm Warning

  • Today

    Today: A slight chance of showers, then showers and thunderstorms likely after noon. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 88. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 88 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Some of the storms could produce gusty winds and heavy rain. Low around 70. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 70 °F

  • Tuesday

    Tuesday: Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 80. Chance of precipitation is 90%. New rainfall amounts between 3 and 4 inches possible.

    Tropical
    Storm
    Conditions
    Possible

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Southwest wind 3 to 8 mph. Chance of precipitation is 40%.

    Heavy Rain
    then Mostly
    Cloudy

    Low: 70 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West wind 3 to 6 mph. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    Showers

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 69 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 70 °F

Detailed Forecast

Today
A slight chance of showers, then showers and thunderstorms likely after noon. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 88. South wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Some of the storms could produce gusty winds and heavy rain. Low around 70. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 80. Chance of precipitation is 90%. New rainfall amounts between 3 and 4 inches possible.
Tuesday Night
A chance of showers and thunderstorms before midnight. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Southwest wind 3 to 8 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. West wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Partly 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 88. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles NW Washington DC
 38.92°N 77.08°W (Elev. 121 ft)
Last Update:
10:31 am EDT Aug 3, 2020
Forecast Valid:
11am EDT Aug 3, 2020-6pm EDT Aug 9, 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